job postings · 85 total · 2026-10-30 17:16:12Z

location Valencia, Spain · salary —

fit Direct Kotlin backend role: the posting explicitly seeks someone motivated to adopt Kotlin as a primary language for backend development. Uses Spring Boot (not Ktor, which is only a preference). Strong technical fit for Kotlin backend track. Note: requires work authorization in Spain and hybrid presence in Valencia.

details Senior backend developer role at DKB Code Factory in Valencia, Spain. Requires strong Java/JVM proficiency and Spring Boot experience, with clear motivation to learn and adopt Kotlin as a primary language. Hybrid work model (2 days/week in Valencia). English-speaking team.

location Belgrade, Serbia; Berlin, Germany; Limassol, Cyprus; Madrid, Spain; Munich, Germany; Paphos, Cyprus; Prague, Czech Republic; Remote, Germany; Warsaw, Poland; Yerevan, Armenia · salary —

fit Strong Kotlin backend IC role: building and operating backend services on the JVM platform using Kotlin or Java, with PostgreSQL, Kafka, and distributed systems for licensing and billing. Senior IC (not management). Specialized domain (entitlement, quota, metering) with hard distributed systems constraints. Caveats: JetBrains is a large company (15M+ users, 300K+ companies), not a small/lesser-known employer; Ktor not mentioned in this listing; no salary stated.

location Amsterdam, Netherlands; Belgrade, Serbia; Berlin, Germany; Madrid, Spain; Paphos, Cyprus; Remote, Germany; Warsaw, Poland · salary —

fit Backend role at JetBrains (creator of Kotlin/Ktor) with freedom to choose the stack. Kotlin not explicitly mentioned but natural choice at JetBrains. LLM/agent-focused rather than traditional Kotlin backend. Large company but GrowthBricks is a small founding team with startup autonomy. Uncertain technical fit for Kotlin backend track since Kotlin/Ktor not mentioned.

details Founding Tech Lead for GrowthBricks, a new project at JetMinds backed by JetBrains. Build a shared business brain for GTM teams and AI agents. Zero-to-one role with freedom to choose the stack. Requires hands-on experience building LLM applications, agents, or agentic workflows, and designing backend systems, APIs, and data models.

location Amsterdam, Netherlands; Belgrade, Serbia; Berlin, Germany; Limassol, Cyprus; Prague, Czech Republic; Remote, Germany; Warsaw, Poland · salary —

fit Kotlin Infrastructure team lead at JetBrains, the maker of Ktor. Deeply Kotlin-focused role in the Kotlin Ecosystem team. However, this is developer infrastructure (CI/CD, build systems, internal tooling) rather than backend service development - a borderline fit for the Kotlin backend track. JetBrains is a large company (15M+ users), not a small/independent employer. Very niche: leading the infrastructure for Kotlin development itself.

location Remote (European Union) · salary —

fit Backend engineering role at Pliant, a fintech company. Tech stack not specified in the career page listing, so Kotlin fit is unverified. Pliant is a mid-size company (250+ employees), not a small employer. EU remote arrangement.

details (Senior) Software Engineer - Backend - Growth at Pliant. Remote within EU/UK. Fintech company specializing in payment automation and card issuing. Tech stack not specified in career page listing.

location Wroclaw, Poland · salary —

fit Backend engineering role at a small (~100 employees) specialized company (in-game data platform; offices in Berlin and Wroclaw). Tech stack not extractable from Recruitee index; Kotlin fit unverified. Niche: esports/gaming data platform with a focused hiring channel.

details Backend Engineer (m/f/x) at GRID eSports GmbH (data platform for the game industry; ~100 employees; offices in Berlin and Wroclaw). Listed under Engineering department on the company's Recruitee careers index. UNVERIFIED discovery: no direct listing URL or tech stack details could be extracted from the JS-rendered Recruitee index; retained as a backend role at a small company for potential Kotlin stack follow-up.

location Remote USA · salary $125,000 - $165,000 per year + variable + equity + benefits

fit Strong Kotlin backend match: the role explicitly uses Java/Kotlin with Spring Boot for backend service and API development. However, LogicGate is an enterprise SaaS company, not a small/lesser-known company. No Ktor mentioned. Remote USA only.

details Senior Software Engineer: Platform role at LogicGate, building foundational APIs and backend services for the Risk Cloud platform using Java/Kotlin, Spring Boot, and AWS. Requires 5+ years of professional backend experience with JVM languages and Spring Boot. Salary $125k-$165k + variable + equity + benefits. Remote USA.

location Argentina / Perú; México City · salary —

fit Direct Kotlin backend match with Spring Boot. However, Santex is a large established company (25+ years, 100 cities, 16 countries), not a small/lesser-known employer. Principal seniority level.

details Principal Back-End Engineer role at Santex requiring Kotlin and Spring Boot. Listed on Santex Greenhouse job board among 17 openings.

location Berlin, Germany · salary —

fit Backend engineering role at a small company (11-50 employees) in a niche logistics technology domain. However, Kotlin usage is unverified and this should not be treated as a confirmed Kotlin backend match. Needs individual job page verification.

details Senior Backend Engineer at GLS/NXT, a small logistics technology startup (11-50 employees) in Berlin. Hybrid work arrangement. UNVERIFIED DISCOVERY: Tech stack could not be confirmed — individual job page was not accessible (fetch limit reached). Listed on the company's join.com career page. GLS/NXT builds next-generation logistic experiences for the Logistics and eCommerce sector, part of GLS IT Services GmbH.

location Amsterdam, Netherlands; Belgrade, Serbia; Berlin, Germany; Limassol, Cyprus; London, United Kingdom; Madrid, Spain; Munich, Germany; Paphos, Cyprus; Prague, Czech Republic; Remote, Germany; Warsaw, Poland; Yerevan, Armenia · salary —

fit Kotlin libraries development role at JetBrains, the creator of Kotlin and Ktor. The role involves developing Kotlin libraries which may include Ktor - directly aligned with the candidate's strong Ktor preference. Strong technical fit despite JetBrains being a large company. The 'New' tag on the board suggests recent posting.

details Staff Software Developer (Kotlin Libraries) at JetBrains. Listed as 'New' on the JetBrains Greenhouse board. Multiple European locations available including remote in Germany. JetBrains is the creator of Kotlin and Ktor, making this role highly relevant for a Kotlin backend candidate with Ktor preference. Individual job listing page not separately fetched; job discovered on the board index page.

location Remote · salary Est. $80,000 - $120,000

fit Backend engineer role at GRID, an esports/sports technology company. Tech stack not specified in listing - Kotlin/Ktor fit is unverified. Remote role with estimated salary $80-120k. Specialized esports domain could narrow applicant pool. Company size unknown.

details Backend Engineer at GRID, an esports technology company. Remote role with estimated salary $80,000-$120,000. Tech stack not specified in listing.

location Multiple locations (Belgium, France, Germany, Netherlands, Spain) · salary —

fit Backend engineer role at a European fintech (EPI Company) building Wero digital payment solution. Tech stack not specified in listing - Kotlin/Ktor fit is unverified. Company is a relatively new European payment initiative, potentially smaller and specialized. Remote-first across Belgium, France, Germany, Netherlands, Spain.

details Senior Backend Engineer at Epi Company (EPI), building Wero - a European digital payment solution. Remote-first across multiple European countries. Tech stack not specified in listing.

location Belgrade, Serbia; Berlin, Germany; Limassol, Cyprus; Madrid, Spain; Munich, Germany; Paphos, Cyprus; Prague, Czech Republic; Warsaw, Poland; Yerevan, Armenia · salary —

fit Senior Kotlin Compiler Developer role at JetBrains, the creator of Kotlin. Highly specialized backend/compiler engineering position directly working on the Kotlin language.

location Multiple locations (Europe), Fully Remote · salary —

fit Backend engineering role at European payments company (Wero). Remote-first across Europe. Tech stack unverified - Kotlin status unknown. EPI is reshaping European payments.

details Senior Backend Engineer at EPI Company, a European payments company building Wero. Remote-first across Europe. UNVERIFIED DISCOVERY: individual job page not accessible (Teamtailor); tech stack (Kotlin?) unknown. Listed as open on employer career page.

location Copenhagen, Hybrid · salary —

fit Backend engineering role at EV charging platform company. Copenhagen, hybrid. Tech stack unverified - Kotlin status unknown. Monta is a Series A+B funded startup.

details Jun/Mid Level Backend Engineer at Monta, an EV charging platform company in Copenhagen. UNVERIFIED DISCOVERY: individual job page not accessible (Teamtailor); tech stack (Kotlin?) unknown. Listed as open on employer career page.

location Argentina / Peru; Mexico City · salary —

fit Strong Kotlin backend fit with explicit Kotlin & Spring Boot requirement. Spring Boot rather than Ktor but Kotlin backend is the core requirement. Principal-level role suggests specialized, narrower applicant pool. Santex is mid-sized (16 countries) but the role is highly specific.

details Principal-level backend engineer role explicitly requiring Kotlin and Spring Boot. Located in Argentina/Peru or Mexico City. Part of Santex's engineering team building custom business software.

location Remote, Europe · salary —

fit Strong Kotlin backend fit — core backend stack explicitly stated as Kotlin and Go in the Lever API response. Senior backend developer on critical Checkout Team handling transaction processing at scale. Remote in Europe. Fintech/payments company.

details Senior Backend Developer on the Core Checkout team at Yuno. Core backend stack is Kotlin and Go. Responsible for the core transaction processing engine behind checkout flows at scale. Remote in Europe, full-time, individual contributor, +5 years of experience.

location Remote, Bucharest, Romania · salary —

fit Kotlin is the primary technology in the job title. This is a full-stack role, not purely backend — candidate should verify if backend responsibilities are sufficient. Qualysoft is an IT services/consulting company with offices across Central and Eastern Europe, not a small independent product company.

details Full-Stack Engineer position using Kotlin. Listed on Qualysoft's Lever career page under Software Development team. Remote work from Bucharest, Romania. Fixed-term contract. Full job description not accessible from the career page listing; individual job page URL could not be retrieved.

location Bucharest · salary —

fit Full-stack engineer role with Kotlin as the explicitly named primary technology in the title. While full-stack, the Kotlin component is likely backend-focused. Qualysoft is a software development and IT consulting company. Fixed-term contract with remote work from Bucharest.

details Full-stack engineer role using Kotlin at Qualysoft, a software development company. Remote work from Bucharest, fixed-term contract. Individual job page URL not resolvable from Lever board listing text.

location Lyon · salary —

fit Direct Kotlin/Java backend developer role at AXEAL's R&D center in Lyon. The job title explicitly lists both Kotlin and Java as backend technologies. AXEAL is a mid-sized French IT consulting company (350 employees, 27M€ revenue) part of HEVERETT Group.

details Backend developer role using Kotlin and Java at AXEAL, a French IT consulting company part of HEVERETT Group. Hybrid work arrangement in Lyon. Individual job page URL not resolvable from Teamtailor SPA listing.

location Boadilla del Monte, Spain (Remote) · salary 40,000€ - 60,000€ per year

fit Kotlin backend role with Spring Boot and AWS. Remote from Spain. Employer is Santander Consumer Finance Global Services, a subsidiary of one of Europe's largest banks - strong employer preference mismatch (candidate prefers small companies). Source is Jobijoba aggregator, not direct employer page. Published June 15, may still be open. No Ktor mentioned.

location Copenhagen, Denmark · salary up to 64,000 DKK/month gross (varies by seniority)

fit Strong Kotlin backend role - Kotlin explicitly preferred over Java. Senior IC with architecture ownership in financial services domain (billing, invoicing, payments, compliance). Specialized domain narrows applicant pool. No Ktor mentioned. Monta is mid-size (Series B, 7 offices), not a small company - employer preference mismatch. Hybrid in Copenhagen.

location Copenhagen, Denmark · salary Up to 46,000 DKK gross/month (depending on seniority level)

fit Strong Kotlin backend fit: primary stack is Kotlin JVM services for OCPP/charge point protocol handling. Specialized EV charging domain with IoT/hardware integration narrows the applicant pool. No Ktor mention but Kotlin is the primary language. Junior/mid level role at a focused SaaS company in a niche industry.

location Europe (Remote) · salary —

fit Strong Kotlin backend fit: core backend stack explicitly includes Kotlin alongside Go, using Spring Boot/Spring WebFlux on JVM. Not Ktor but solid Kotlin backend. Staff-level role at a growing fintech. Remote with European location. Niche signal: specialized payments domain with deep technical requirements (event-driven microservices, financial correctness, PCI compliance) that narrows applicant pool.

details Staff Engineer role at Yuno (AI-native payments platform) in the Core Checkout team. Core backend stack is Go and Kotlin with Spring Boot/Spring WebFlux. Hands-on leadership role architecting scalable payment processing systems for global brands. Remote position based in Europe. Requires 8+ years experience with deep expertise in Go and/or Kotlin.

location Europe · salary —

fit Strong Kotlin backend fit: core backend stack is Kotlin and Go. Senior role on critical Checkout team processing millions of payment transactions. Remote in Europe. Fintech/payments specialization.

details Yuno is looking for a Backend Developer to join the Checkout Team, responsible for the core transaction processing engine behind checkout flows at scale. Core backend stack is Kotlin and Go.

location Europe (Remote) · salary —

fit Strong Kotlin backend fit: Kotlin is the core backend language alongside Go. Role focuses on building backend services and APIs in Kotlin. Uses Spring Boot/WebFlux (not Ktor), but Ktor is a preference, not a requirement. Yuno is a fintech startup (growth-stage), aligning with small company preference. Payment processing domain expertise is a specialized requirement that may narrow the applicant pool.

location Kyiv, Ukraine · salary —

fit Strong backend development with Kotlin or Java, Quarkus or Spring Boot. Full-stack role requiring frontend skills (React or Angular) but backend is primary focus. 10+ years experience. On-site in Kyiv, Ukraine. Not Ktor-specific but strong Kotlin backend match.

details Principal Java/Kotlin backend developer at Amdaris in Kyiv, Ukraine. Full-stack role with strong backend focus using Kotlin/Java, Quarkus/Spring Boot, AWS, microservices. Also requires React or Angular frontend skills. 10+ years experience.

location Chișinău, Moldova · salary —

fit Strong backend development with Kotlin or Java, Quarkus or Spring Boot. The role is full-stack requiring frontend skills (React or Angular) but backend is the primary focus. 10+ years experience. On-site in Chisinau, Moldova. Not Ktor-specific but strong Kotlin backend match.

details Principal Java/Kotlin backend developer at Amdaris in Chisinau, Moldova. Full-stack role with strong backend focus using Kotlin/Java, Quarkus/Spring Boot, AWS, microservices. Also requires React or Angular frontend skills. 10+ years experience.

location Argentina / Peru; Mexico City, Mexico · salary —

fit Strong Kotlin backend fit. The role is explicitly a Kotlin/Spring Boot backend engineer position for a no-code workflow platform runtime. Uses Temporal.io for durable state, multi-module Gradle, JPA/Hibernate, PostgreSQL. Principal level. Contractor position in Argentina/Peru/Mexico.

details Principal Kotlin/Spring Boot backend engineer contractor role at Santex, working on the runtime layer of a no-code workflow platform. Uses Temporal.io for durable workflow execution, with HTTP, agent, LLM, and human-review node types. Located in Argentina, Peru, or Mexico City.

location Helsinki, Finland · salary —

fit Backend role with Kotlin (Ktor, Koin, Spring, gRPC) as a core part of the tech stack. Ktor is explicitly mentioned. Senior level. Based in Helsinki with limited remote options. Go is the primary language but Kotlin/Ktor is a significant part of the stack.

details Senior backend engineer role at Wolt (part of DoorDash) working on retail/merchant systems. Tech stack includes Go and Kotlin with Ktor, Koin, Spring, gRPC, PostgreSQL, MongoDB, Kafka. Based in Helsinki, Finland with limited remote options.

location Netherlands (full remote in Europe) · salary €300-550/day

fit Strong Ktor backend fit: role explicitly requires Kotlin and Ktor as core backend technologies. Also involves MongoDB, Docker, Kubernetes, AWS, Event Sourcing, and Kotest. Note: Contractor position (1 year renewable) through KUBE Partners/Pixie Services recruitment agency for EPI (European payment solution Wero). Requires 7+ years experience with 5+ years backend and 2 years frontend.

details Contractor backend developer role for EPI (European payment solution Wero), posted through KUBE Partners/Pixie Services on Free-Work.com. Requires 7+ years experience with 5+ years backend, proficient in Kotlin, Ktor, Docker, Kubernetes, MongoDB, Kafka. Full remote in Europe, 1-year renewable contract, €300-550/day. Fluent English required (CEFR C1/C2).

location United Kingdom (Remote UK) · salary £120,000 - £168,000 base pay per year + equity + benefits

fit Kotlin backend fit: the role explicitly lists Kotlin as one of two backend languages (Python or Kotlin), with 4+ years of backend systems experience. The team works on Affirm's Payment Processing Network processing billions of dollars in payments annually. Technologies include AWS, MySQL, Kubernetes. No Ktor mention, but Kotlin is explicitly named. Affirm is a large public fintech (BNPL provider), not a small company — lower employer-preference score. The role is UK Remote.

details Senior Software Engineer, Backend (Payments) role at Affirm, working on the Consumer Payments team and Payment Processing Network. 4+ years experience with Python or Kotlin, AWS, MySQL, Kubernetes. UK Remote. £120,000-£168,000 base pay + equity. The role involves building high-throughput, high-availability payment systems processing billions of dollars annually.

location — · salary —

fit Kotlin backend fit: search snippet indicates 'Strong experience with Kotlin and/or Java' as a requirement. Tilt Finance is a fintech company with credit products (NIRA, Blipay). Full job description was JS-rendered on Ashby; job title verified from fetched Ashby page. Skills and requirements based on persisted search snippet evidence, not fully verified from the page body.

details Senior Backend Engineer role at Tilt Finance, working on the Blipay product. Search snippet indicates 4+ years backend engineering experience required, strong experience with Kotlin and/or Java. Company is a fintech with mobile-first credit products serving millions of customers.

location Europe / London / Lithuania / Poland / Portugal / Prague / Spain / Sweden / Turkey / Germany / Global · salary —

fit Strong Kotlin backend fit: Kotlin is named as a core backend stack alongside Go, with Spring Boot/Spring WebFlux, gRPC/REST, Kafka, PostgreSQL, AWS, Kubernetes. Specialized Money/Risk domain (fraud, risk decisioning, reconciliation, chargebacks, money movement) plausibly narrows applicant pool. Yuno is a fintech scale-up, not a small company, but the financial-correctness and risk-system specialization is a strong niche signal. No Ktor mention, but Kotlin backend is central.

details Staff Engineer role at Yuno (AI-native payments infrastructure) leading the Money, Risk & Payment Ancillaries domain — real-time risk decisioning, fraud detection, scams, money operations, reconciliations, and chargebacks. Core backend stack: Go and Kotlin with Spring Boot, gRPC/REST, Kafka, PostgreSQL, AWS. Remote across Europe and globally.

location Europe / London / Lithuania / Poland / Portugal / Prague / Spain / Sweden / Turkey / Germany / Global · salary —

fit Strong Kotlin backend fit: Kotlin is named as a core backend stack alongside Go, with Spring Boot/Spring WebFlux, gRPC/REST, Kafka, PostgreSQL, AWS, Kubernetes. Specialized Trust & Vault domain (PCI compliance, card vaulting, tokenization, authentication) plausibly narrows the applicant pool. Yuno is a fintech scale-up serving global brands, so not a small company, but the highly specialized payment-security domain is a niche signal. No Ktor mention, but Kotlin backend is central.

details Staff Engineer role at Yuno (AI-native payments infrastructure) leading the Trust & Vault domain — PCI-compliant card vaulting, tokenization, 3DS/network tokenization authentication, and payment optimization. Core backend stack: Go and Kotlin with Spring Boot, gRPC/REST, Kafka, PostgreSQL, AWS. Remote across Europe and globally.

location Remote Spain · salary €86,000 - €122,000

fit Kotlin listed as primary backend language alongside Python. Senior backend role focused on international expansion and purchase protection. Remote Spain with visa sponsorship available. Large fintech, less aligned with small-company preference but technically strong Kotlin backend match.

location Remote US · salary $173,000-$233,000 (most US states); $195,000-$255,000 (CA/WA/NY/NJ/CT)

fit Kotlin is listed as a primary backend language (alongside Python). Senior backend role focused on money movement systems. Remote US. Large fintech company - less aligned with small-company preference but technically relevant for Kotlin backend.

location Toronto, Ontario, Canada · salary —

fit Kotlin is the primary backend language alongside Postgres and AWS. Canadian fintech startup aligns with small-company preference. Full-stack role with significant Kotlin backend component, though not purely backend.

location London, England, United Kingdom · salary —

fit Strong Kotlin backend fit with Spring Boot (Ktor not used). Mid-sized company (~300 employees), not a small/independent employer. Requires UK-based hybrid work with 2 days in office. Eligibility and visa details not stated.

details Plum is a fintech money platform (~300 employees) seeking a Senior Backend Engineer. Tech stack: Kotlin with Spring Boot & Python with FastAPI. Postgres, BigQuery, GCP. 5+ years experience required. Hybrid remote with offices in London, Athens, Cyprus.

location Lyon, France · salary 35,000 - 45,000 EUR/year

fit Kotlin backend role with clear microservices and API focus. Uses Spring Boot not Ktor. Mid-sized IT services company (founded 2003) rather than small product company. French language likely required. Salary range 35-45K EUR is modest for a Kotlin backend role.

location Warszawa, Poland · salary 130-155 PLN net/hour B2B (21,800-26,000 PLN net/month)

fit Kotlin backend role with microservices architecture, 100% remote. Uses Spring Boot/WebFlux and Vert.x rather than Ktor, but Ktor is a preference not a requirement. Requires Polish language at expert level, which may constrain eligibility. B2B outsourcing through a staffing company for undisclosed client.

location New York City · salary $200,000-$280,000 base + founding-stage equity (0.5%-1.5%)

fit Kotlin backend role at a small, early-stage company. Kotlin is listed as the primary backend language alongside Python. Founding-stage equity. However, Kotlin is described as 'helpful' not strictly required, and the role is in-person NYC with no visa sponsorship.

details Platform engineer role at a small, venture-backed applied AI company (anonymous client posted via satoriq). Backend uses Kotlin and Python. One of the first engineering hires, working directly with the CTO. In-person NYC, no visa sponsorship.

location Remote USA | Chicago, IL preferred · salary $105,000 - $130,000 per year + equity + benefits

fit Java/Kotlin backend with Spring Boot, PostgreSQL, REST APIs. Not Ktor but solid JVM/Kotlin backend. Remote USA with $105-130k salary range. 3-5 years experience level. Uses AI coding assistants as part of workflow.

details Backend platform engineer at LogicGate, a leading AI GRC platform. Builds backend services, APIs, and data layers for Risk Cloud using Java, Kotlin, Spring Boot, PostgreSQL, Neo4j, Redis, RabbitMQ. Remote USA, 3-5 years experience.

location Montreal, Quebec, Canada (Remote) · salary —

fit Kotlin/Java backend role with Spring Boot, AWS, Elasticsearch. Not Ktor but solid Kotlin backend. Requires Quebec residency which limits eligibility. Uses AI coding assistants (Claude Code, Copilot) as part of workflow.

details Backend engineer role on the Entitlements Team at Leadership Connect, a premier information service for government, business, and media relationships. Uses Kotlin/Java, Spring Boot, Python, AWS, Elasticsearch. AI-augmented development workflow.

location Amsterdam, Netherlands; Belgrade, Serbia; Berlin, Germany; Limassol, Cyprus; London, United Kingdom; Madrid, Spain; Munich, Germany; Paphos, Cyprus; Prague, Czech Republic; Remote, Germany; Warsaw, Poland; Yerevan, Armenia · salary —

fit Strong technical fit: Kotlin backend at JetBrains (creator of Ktor and Kotlin). Backend services in Kotlin for identity/access management. Staff-level (7+ years). Employer is large and well-known (not small/lesser-known), but technical fit is very strong.

details Staff Software Developer (IAM) at JetBrains. Role is on the JetBrains Platform (JCP) identity management and access team, owning authentication, authorization, organization management, and workspace services. Services written in Kotlin (with some Go). JetBrains is the creator of Kotlin and Ktor.

location Ho Chi Minh / Ha Noi, Vietnam · salary —

fit Strong Android Kotlin fit: Principal Android Engineer using Kotlin, Clean Architecture, Jetpack Compose. Small-mid company (51-150 employees), No.1 Construction Tech in Japan. Squad-based small team. Niche: construction tech, camera module and drawing functions, Flutter as secondary.

details Principal Android Native Engineer (Kotlin) at ANDPAD VietNam (51-150 employees, No.1 Construction Tech in Japan). Kotlin, Clean Architecture, Jetpack Compose. Hybrid in Ho Chi Minh/Ha Noi, Vietnam. 8+ years experience required.

location Vilnius, Berlin · salary 5000 - 7000 EUR/month gross (Lithuanian market)

fit Strong Android Kotlin fit: native-first Android codebase using Kotlin + Jetpack Compose. Senior Android Engineer in Membership domain (auth, paywalls, subscriptions, billing). AI-augmented development workflow. Mid-sized European podcast/audiobook company (350+ employees).

details Senior Android Engineer at Podimo (podcast/audiobook platform, 350+ employees). Kotlin + Jetpack Compose native-first Android. Membership domain: auth, paywalls, subscriptions, billing. Hybrid in Vilnius or Berlin. 5000-7000 EUR/month gross.

location Montreal, Quebec, Canada · salary —

fit Kotlin backend fit: requires strong proficiency in Kotlin and Java with server-side Spring applications. Full-stack role but backend is Kotlin/Java. Not Ktor-specific. Small close-knit company. Remote but restricted to Quebec province.

details Full Stack Engineer / Senior Full Stack Engineer at Leadership Connect. Kotlin/Java Spring backend with React/Vite/TypeScript frontend. Remote in Quebec province. CMS Team building customer-facing applications.

location Brazil · salary CLT employment with competitive compensation package with equity participation

fit Kotlin backend fit: requires professional Kotlin and/or Java experience for backend engineering building financial products. Fintech niche with specialized lending products. Remote-first. Listed through Jobgether on behalf of partner company. Not Ktor-specific but strong Kotlin backend fit.

details Senior Backend Engineer role at Blipay (fintech) building and scaling financial products. Kotlin and/or Java backend with AWS, PostgreSQL, ECS. Remote in Brazil with CLT employment.

location Remote · salary —

fit Software Engineer Android role at a software development company that specializes in mobile device innovation. Remote. Limited detail available but clear Android track match. Kotlin usage not explicitly confirmed from the career page listing.

location Remote (South America and Central America) · salary —

fit Kotlin/Java backend developer role at a small B2B software studio. Kotlin is explicitly named in the job title. Remote in South/Central America. Limited detail available but clear Kotlin backend track match.

location London, England, United Kingdom · salary —

fit Strong Android Kotlin fit: deep expertise in Kotlin, Jetpack Compose, coroutines, and modern Android architecture required. Staff-level role with platform ownership. Not a small company but a strong technical match for the Android Kotlin track.

location Remote (Europe) · salary —

fit Strong Android Kotlin fit: 5+ years native Android, Kotlin proficiency, Jetpack Compose and traditional Views. Small team with full Android ownership. Consumer mobile product for students. Remote in Europe with relocation to Portugal option.

location Bucharest, Romania · salary —

fit Kotlin backend role using Kotlin and Spring Boot with microservices, REST APIs, and GCP. Not Ktor but solid Kotlin backend. Full-stack with backend focus. Large consulting firm, not a small company.

location Shanghai, China · salary —

fit Android Kotlin fit: role centers on Kotlin + Jetpack Compose for native Android development building a white-label game store. Specialized niche: building a game store client from scratch with complex download/install management. However, Xsolla is not a small company, and the role is on-site in Shanghai requiring game industry experience.

details (Senior) Android Developer at Xsolla, building a white-label Android game store from scratch using Kotlin + Jetpack Compose. On-site in Shanghai, China. 5+ years experience. Game industry experience required.

location San Francisco, CA, USA · salary Competitive seed-stage salary; top of market equity; employee friendly equity plan

fit Excellent Ktor backend fit: the team's entire backend stack is Kotlin + Ktor + Exposed + Kotest. Small seed-stage startup with a focused SMB accounting product. Niche signals: early-stage company with a specialized domain (embedded accounting for SMBs), narrow applicant pool for this stack.

details Backend Engineer at Layer, a seed-stage startup building modern accounting software for SMBs. Full Kotlin/Ktor/Exposed/Kotest backend stack. San Francisco, on-site. 2+ years experience required. Competitive seed-stage salary + equity.

location Germany (Remote) · salary —

fit Kotlin backend fit: Kotlin is part of the tech stack (Java 21+/Kotlin, SpringBoot 4, MockK, ktlint). However, must-have requirements emphasize Java/Spring Boot ecosystem. Kotlin is a secondary skill here, not the primary focus. Fintech company with 7M users, 30+ nationalities - not a small company. Remote in Germany only.

details Senior Backend Engineer at Klar, a Mexican fintech serving 7M users. Remote in Germany. Works on investment team managing microservices for savings accounts, campaigns, investment platform, and taxation. Tech stack: Java 21+/Kotlin, SpringBoot 4, Kafka, Postgres, AWS. Requires strong Java/Spring Boot with Kotlin as part of the stack.

location Paris, France · salary —

fit Strong Android/Kotlin fit: requires minimum 3 years with Kotlin and Android, uses Coroutines, MVI/MVVM, Compose. Veepee is a large company (5000 staff, 3.3B EUR revenue), not a small/independent employer. Hybrid in Paris.

details Android Developer on the Core Team at VeepeeTech. Part of a distributed agile team of 6-8 engineers. Focus on improving quality of the Android application, creating developer tools, and working on security, performance, and stability. Minimum 3 years Kotlin/Android experience. Paris-based with hybrid arrangement.

location United States (Remote) · salary —

fit Strong Android/Kotlin fit: explicitly requires Kotlin, native Android experience, Jetpack, Coroutines, Flow. Niche: fintech neobank app for Southeast Asia. Eligibility constraint: US-based only, candidate's work authorization unspecified.

details Android engineer role at BJAK building native Android experience for their AI Neobank App. Requires strong Kotlin/Android experience, shipping apps used by real users, and modern Android development skills. Remote but US-based only.

location Cairo, Egypt / Alexandria, Egypt / Cape Town, South Africa / India / Johannesburg, South Africa / Remote · salary —

fit Strong Android Kotlin fit: 3 years of Kotlin required, staff-level role. Yassir is a mid-sized super app company (~$200M funding) operating in North Africa with expansion to France, Canada, Sub-Saharan Africa. Niche: on-demand services/last-mile delivery in the Maghreb region. Hybrid/remote arrangement with multiple location options.

location Helsinki, Finland · salary —

fit Strong Kotlin backend fit: role title explicitly is 'Kotlin Backend Engineer'. Wolt is a large company (owned by DoorDash, 309+ open positions), not a small employer. Helsinki-based. No Ktor specifically mentioned, but the role is dedicated Kotlin backend.

location Madrid HQ, Spain (fully remote within CET ±1) · salary —

fit Strong Kotlin backend fit: explicitly seeks a Senior Kotlin Engineer for backend systems. Fully remote within CET ±1. Large company but the role is specifically Kotlin backend, not just Java/Kotlin. Niche: workforce management/staffing domain with distributed systems at scale.

location Remote (Peru) · salary —

fit Good Android Kotlin fit at a digital product/consulting agency. Remote but restricted to Peru residents only. Niche: client-facing consulting work with diverse project portfolio, smaller agency.

location Minsk, Belarus / Tbilisi / Chișinău · salary —

fit Strong Android Kotlin fit with KMP and Ktor mentions. Specialized role involving MDM/device management and POS platform development. Niche: restaurant POS platform being built from scratch. However, requires physical presence in Minsk 4 days/week. IDT is a large public company (NYSE).

location San Francisco, CA or Remote (U.S.) · salary $164,000 - $220,000 (total compensation, inclusive of salary + equity)

fit Strong Android Kotlin fit: 100% Kotlin codebase, Jetpack Compose, dedicated Android team of 10. Remote-friendly within the U.S. Doximity is a large public company, not a small employer.

location Göttingen, Lower Saxony, Germany · salary —

fit Strong Kotlin backend fit at a small AI healthcare company. Voize is a specialized startup with a focused product (AI companion for nurses). The English-speaking role is accessible beyond German speakers. Niche: healthcare AI documentation, small company with focused hiring channel.

location Berlin, Germany · salary —

fit Strong Kotlin backend fit using Kotlin and Spring Boot for scalable APIs. Mid-level (3+ years). DKB Code Factory is a bank tech subsidiary, not a small independent company, but the role is Kotlin-specific backend. Fintech niche may narrow applicant pool. Hybrid in Berlin; requires legal right to work in Germany.

details Backend Developer (Kotlin + Spring Boot) at DKB Code Factory in Berlin, Germany. Mid-level role building scalable APIs with Kotlin, Spring Boot, Hibernate ORM, PostgreSQL/Oracle. Hybrid work. Requires legal right to work in Germany.

location Berlin, Germany · salary —

fit Android Kotlin fit at junior level. Fresh posting (Aug 21, 2026). Building brokerage experience in mobile banking app. Requires Kotlin or willingness to learn quickly. Hybrid in Berlin; requires legal right to work in Germany. Good entry-level opportunity.

details Junior Android Developer - Retail Banking at DKB Code Factory in Berlin, Germany. Junior role building brokerage experience in mobile banking app. Kotlin required or willingness to learn. Fresh posting (Aug 21, 2026). Hybrid work.

location Berlin, Germany · salary —

fit Strong Android Kotlin fit with Jetpack Compose, Coroutines, MVVM. 3+ years experience. Building mobile banking app for SMBs - fintech niche. Hybrid in Berlin; requires legal right to work in Germany.

details Android Developer - Business Banking at DKB Code Factory in Berlin, Germany. 3+ years Kotlin/Java Android development with Jetpack Compose, MVVM, CI/CD. Building mobile banking app for SMBs. Hybrid work.

location Moldova · salary —

fit Android Kotlin fit with Jetpack Compose. Junior-level entry. Company is large (1,700+), so not a small employer. Legacy UI maintenance may narrow the applicant pool. Location in Moldova; eligibility unknown.

details Android Developer at Coherent Solutions in Moldova. Kotlin with Jetpack Compose, maintaining legacy UI components. 1+ years experience. Company is large (1,700+ engineers) but role is focused on Android Kotlin development.

location Valencia, Spain · salary —

fit Strong Android Kotlin fit. Senior role building banking app with modern Android stack (Compose, Coroutines, MVVM). Fintech niche may narrow applicant pool. Requires legal right to work in Spain; eligibility unknown.

details Senior Android Developer at DKB Code Factory in Valencia, Spain. Kotlin-first role building mobile banking app for small and mid-sized businesses. Requires Jetpack Compose, MVVM, CI/CD, automated testing. Fintech niche.

location Ho Chi Minh City, Vietnam · salary —

fit Strong Android Kotlin fit with Ktor for networking (required) and Ktor backend (preferred). Niche signal: music/audio app development with specialized audio processing requirements. On-site in Vietnam; eligibility unknown.

details Android Developer at Amanotes (Uplive) in Ho Chi Minh City, Vietnam. Kotlin-heavy role building high-scale music applications. Requires Jetpack Compose, Coroutines, Flow, Clean Architecture. Uses Ktor for networking; Ktor backend experience is a plus. Niche: mobile audio processing and music apps.

location Remote (worldwide) · salary —

fit Android Kotlin fit: Senior Android Engineer (Kotlin) role at a small, women and minority-owned engineering consultancy. Remote-first, worldwide. Company matches strong preference for small, lesser-known employers. Role listed as currently open on company careers page.

details Senior Android Engineer (Kotlin) at This Dot Labs, a small women/minority-owned AI-native software engineering consultancy. Remote, worldwide. Listed on company careers page and HN Who is Hiring September 2026. Full job description not accessible; apply via jobs@thisdot.co.

location Bangalore, India · salary 12-18 LPA (Indian Rupees)

fit Android Kotlin fit: role requires strong Kotlin development with Jetpack Compose, Hilt, Coroutines, modern Android architecture. Startup environment with AI-assisted development. SDE-1 level (2+ years). Bangalore-based startup.

details SDE-1 Android Engineer at FloBiz (startup, myBillBook product) in Bangalore. Requires 2+ years Android development, Kotlin, Jetpack Compose, Hilt, Coroutines. AI-assisted development tools core to workflow. 12-18 LPA salary. Posted September 3, 2026.

location Ho Chi Minh, Vietnam (at office) · salary —

fit Android Kotlin fit: role requires native Android development in Kotlin with Jetpack Compose, Coroutines, Flow, Clean Architecture. Mentions Ktor Client for networking. Very small AI company (1-50 employees) in Vietnam matching preference for lesser-known employers. On-site in Ho Chi Minh.

details Android Developer (Kotlin / Jetpack Compose / MVVM) at Angle AI in Ho Chi Minh, Vietnam. Small AI company (1-50 employees). Requires 2.5-3 years Android native Kotlin, Jetpack Compose, CameraX, Clean Architecture. Ktor Client mentioned for networking. On-site.

location Madrid, Spain · salary —

fit Strong Kotlin backend fit: Kotlin is the company's default for new backend services. Tech stack includes Kotlin, AWS, Kafka, Kubernetes, Docker, Microservices, Datadog. However, N26 is a large well-known fintech, not a small/lesser-known company.

details Backend Engineer at Hi (N26) in Madrid, Spain. Kotlin is the default for new services. Stack: Kotlin, AWS, Kafka, Kubernetes, Docker, Microservices, Datadog. Permanent, full-time. Relocation with visa support available.

location Madrid, Spain (remote, EU only) · salary —

fit Kotlin backend role with Ktor explicitly listed as nice-to-have. Fully remote within EU. Small software development company (RAmonka Studio) matching the preference for lesser-known employers.

details Kotlin Developer at RAmonka Studio (ProntoPro), fully remote within EU. Requires commercial Kotlin experience, backend services/APIs, SQL, Git. Nice-to-have: Spring Boot or Ktor, Docker, CI/CD, AWS. Permanent contract, full-time.

location Remote · salary $80,000 - $120,000 (estimated)

fit Strong Kotlin backend fit: role explicitly seeks Kotlin (or Go) for event-driven backend services, with microservices, REST/GraphQL, Docker/Kubernetes, and CI/CD. GRID is a niche esports data startup. Remote with CET timezone requirement.

details Backend engineer role at GRID (esports data company) building event-driven mission-critical services. Requires 3+ years experience with Kotlin or Go, microservices, GraphQL/REST, Docker/Kubernetes, CI/CD. Remote, CET timezone. $80k-$120k estimated salary.

location Düsseldorf, Germany (hybrid) · salary €75,000 - €85,000 / year

fit Kotlin backend role (explicitly non-Android) at a small independent consulting firm. Uses Kotlin for backend with REST/MQTT/Websockets. Requires German C1 and EU work permit which limits applicant pool. No Ktor mentioned.

details Kotlin/Java backend developer role at a small consulting firm (1-10 employees) in Düsseldorf. Backend development with Kotlin, REST/MQTT/Websockets, working on Java 17 SDK. Requires German C1 and EU work permit. Hybrid with 3 days home office/week.

location Romania · salary —

fit Kotlin backend track: Senior Backend Engineer role at voize (YC W22, AI for nursing documentation). Search snippet identifies this as a Kotlin role: 'Senior Backend Engineer - Kotlin (m/f/d), Romania'. Company has 140 employees and $50M Series A — mid-sized startup, not small. Role is based in Romania. Full job details could not be extracted from the JS-rendered Ashby page; Kotlin requirement is from search snippet, not from fetched page evidence. Company-wide policy offers flexible/remote-friendly work.

details Senior Backend Engineer (Kotlin) at voize, based in Romania. voize builds the AI companion for nurses — voice-based nursing documentation. YC Winter 2022, 140 employees, $50M Series A, Berlin HQ. Full job description on Ashby is JS-rendered and could not be fully extracted.

location Berlin, Germany (hybrid) · salary —

fit Kotlin backend track: Kotlin for backend development at a small (11-50 employees) startup-like tech unit within GLS. Uses Spring Boot (not Ktor) but Kotlin is central to the role. Berlin-based with hybrid work. Recently updated (21 hours ago). Company operates at intersection of startup and enterprise.

location Bangalore Urban, India · salary ₹6L – ₹12L, no equity

fit Android track: Kotlin-centric Android development role at a small early-stage startup (11-50 employees, $4.3M seed). Uses modern Kotlin stack (Compose, Coroutines, StateFlow). Bangalore-based with WFH flexibility. Visa sponsorship not available and relocation not allowed.

location Minneapolis, MN (onsite or remote) · salary $100k – $180k

fit Strong Ktor backend fit: the role's backend stack includes Kotlin, Spring Boot, Ktor, Gradle, and GraphQL (Netflix DGS) per the WeWorkRemotely job posting. Small independent company (11-50 employees per Wellfound). Onsite or remote from Minneapolis. Tech stack details sourced from WWR search snippet; the Wellfound page (fetched) confirms the role is actively hiring with 2 weeks age and $100k-$180k salary.

location Remote (South America and Central America only) · salary Listed gross: $2900-3300 USD/month; description states 2500-2900 EUR/month (~$2900-3400 USD) depending on seniority, paid monthly via Remote.com

fit Kotlin backend match: role requires Kotlin and/or Java (JVM) with Spring Boot and PostgreSQL. Small Barcelona-based studio. Remote in South/Central America with CET timezone overlap. Note: uses Spring Boot, not Ktor. 333 applications on Get on Board as of 2026-09-08.

details PlainTech Solutions (Barcelona-based B2B software studio) is hiring a Semi Senior Back-end Developer in Kotlin/Java to work on custom WMS, AI platforms, and ecommerce. Remote in South/Central America with CET timezone overlap. Requires 3+ years backend experience. Spring Boot, PostgreSQL, Clean Architecture. Salary $2900-3300 USD/month. Posted July 27, 2026 on Get on Board (Job ID: 62618). 333 applications as of 2026-09-08.

location Remote (worldwide) · salary —

fit Android track match: role explicitly requires advanced Kotlin for Android development at a semi-senior level. Small LATAM tech company. Fully remote worldwide. 67 applications on Get on Board as of 2026-09-08.

details WiTi is hiring a Semi Senior Software Engineer Android to build digital products for a large-scale retail media ecosystem using Kotlin. Fully remote worldwide, full-time. Requires 2+ years Android experience with advanced Kotlin. Posted August 27, 2026 on Get on Board (Job ID: 63354). 67 applications as of 2026-09-08.