11,094 Kotlin jobs
Open roles that use Kotlin for Android and JVM backends.
Java Developer (Medior/Senior) – Linkcr
Medior/senior Java developer at Nidaros in Hoogeveen (hybrid) to further develop its product Linkcr: designing, building and maintaining features and components in Java and Kotlin, collaborating on Angular front-end parts, realizing integrations with other systems and databases, and improving code quality, performance and architecture.
Backend Software Engineer
Backend Software Engineer at Kodly in Portugal (flexible/remote options) building and maintaining cloud-based microservice applications with Java or Kotlin, deploying and monitoring on GCP/AWS, and working with Docker, Kubernetes and CI tools like Jenkins in an Agile/DevOps environment.
Lead Software Engineer
Lead Software Engineer at Nox Health, a sleep-healthcare company: the role splits 50/50 between upstream architecture (turning PRDs into technical design docs) and hands-on coding embedded with a Scrum team, building scalable microservices on AWS in Java/Kotlin with PostgreSQL/MongoDB and Angular.
Java Fullstack Developer (French Speaker)
French-speaking Java fullstack developer at IT consulting group moOngy, working hybrid (2-3 days/week in office) in Portugal. Day-to-day: building features in Agile teams with Java 8/17/21, Spring Boot REST APIs, Oracle/PostgreSQL, Kafka/RabbitMQ, Docker/Kubernetes and CI/CD pipelines.
Java & kotlin developer for backend services
Sysmatch is recruiting a backend developer for a multinational technology consulting company in Portugal. Day to day: design and maintain backend services and microservices in Java and Kotlin, build and consume RESTful APIs, review pull requests, debug production issues, and write technical documentation.
Senior Backend Go Developer
Senior backend developer building a multilanguage, cloud-native loan-broker platform for fintech client Axo Group — owning Go services on AWS end-to-end (APIs, event-driven queues/jobs, PostgreSQL) in an AI-first workflow using Claude Code. Hybrid: 2 days/week from the Lisbon office.
Senior Developer Backend
Senior backend developer at a sleep-health company, designing, building, and maintaining scalable backend systems for the Nox Cloud platform in Agile teams. Core stack is Java/Kotlin with Spring, Hibernate, and SQL/NoSQL databases, plus production troubleshooting and code reviews.
Staff Java Backend Developer
Staff-level backend developer at Mindera designing and building robust, scalable backend systems in Kotlin/Java, owning the technical side of development across the full SDLC in an Agile team, including mentoring juniors. Core stack: Terraform, Kafka, Kubernetes, GraphQL Federation, Azure Cloud, Git and CI/CD, with TDD-driven testing.
Backend go developer in fintech
Senior backend engineer owning Go feature delivery end to end on AWS (Lambda, EventBridge, SQS, RDS) for a fintech: event-driven APIs, PostgreSQL tuning, ADR/HLD documentation, CI/CD, and GDPR/EU AI Act compliance. Mentors juniors and reviews AI-agent (Claude Code) output. Hybrid Lisbon: 2 office days, 3 from home.
Backend Developer (Kotlin/Java) – Remoto (Portugal)
Senior backend developer designing and building scalable Java/Kotlin services through the full development cycle, from idea to deploy, in a collaborative agile team. Requires 5+ years of Java/Kotlin backend experience plus CI/CD, Terraform, TDD and Git; Spring Boot and Agile are pluses.
Backend Developer (Java)
Backend Developer building RESTful APIs and event-driven microservices in Java (Spring, or Micronaut/Quarkus) with RabbitMQ/Kafka, MySQL/MariaDB, Git, JUnit/Mockito and Maven/Gradle in a Scrum environment, at Elevus, a recruitment and outsourcing company.
Backend Developer
Backend developer at IT consultancy Aubay Portugal, building and evolving critical backend systems for large banking, insurance, telecom and energy clients. Day-to-day work centers on Kotlin/Java with Spring Boot, PostgreSQL, and messaging (RabbitMQ/Kafka) in microservices architectures, with potential AI agent development using ADK/Vertex AI.
Senior Backend Developer
Senior Backend Developer at Sky Portugal building highly scalable microservices for global OTT streaming platforms (Peacock, NOW, SkyShowtime, Showmax). Day-to-day work spans the full development cycle—design, implementation, testing, and operations—using Java/Kotlin/C#, Docker/Kubernetes, and CI/CD.
Expert Sécurité Technologie (F/H) h/f
Information-security expert in the Business Security Expertise Center of BPCE Solutions Informatiques (IT arm of France's 2nd-largest banking group), advising digital product teams, running security risk analyses, and co-designing security solutions across Java, Angular, Swift, Kotlin, cloud and API stacks.
Android Software Engineer
Develops embedded Android (AOSP) platform software for next-generation in-flight entertainment systems — framework, native services, HALs, display/multimedia, and hardware integration — in a safety-critical aerospace setting. Work is on-site in Hillsboro, Oregon, open only to U.S. citizens and Green Card holders.
Frontend Developer
Mid/senior developer building modern web frontends (Vue.js, React, TypeScript) and mobile apps (Kotlin, React Native) for defense-industry and public-security projects at TURK AI, with strong UI/UX design work in Figma. Fully office-based in Ankara; applicants must be Turkish citizens residing there.
Android Engineer
Android engineer (3+ years) at NTT Data building mobile apps with Kotlin and Jetpack Compose on international consulting projects across banking, insurance, telecom, public sector and healthcare. Offers 100% remote or adapted work, flexible hours, a training plan and weekly English classes.
Senior Frontend Developer (Vue / TypeScript)
Senior frontend developer building the web experience for a cloud Wi-Fi network planning/design tool (2D/3D building modeling, AI-based signal propagation, access-point placement). Day to day: Vue + TypeScript interfaces with testing, accessibility and 3D graphics, plus maintaining web CI/CD and dependency hygiene.
Frontend Developer (Vue / TypeScript)
Frontend developer building the web interface of a cloud Wi-Fi planning/design tool (2D/3D building modeling, AI-based signal propagation, optimal access-point placement) using Vue and TypeScript, including 3D graphics, testing, accessibility, and CI/CD upkeep. Based in Elche, Spain with flexible office/home choice.