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Java Developer - CGI, HelsinkiWhat you'll be doing:Developing backend applications using Java and Spring BootDesigning, implementing and maintaining REST APIs and integrationsMaintaining and enhancing production systemsInvestigating and resolving production incidents and technical issuesWriting and maintaining unit, integration and API testsContributing to...

Do you enjoy solving complex technical challenges in environments where reliability truly matters?We're looking for experienced Java Developers to join CGI's team working with business‑critical systems. This is not a traditional project‑based development role—instead, you'll be involved throughout the entire application lifecycle, from development and...

Nebius B.V. in Helsinki is seeking backend engineers to develop and maintain our core systems, leveraging cloud infrastructure and modern languages. You will contribute to scalable services and reliable software.You will code in Python and Java, collaborate with cross‑functional teams, and help scale our platform for growth. This on-site role offers...

A leading innovative tech company in Helsinki is seeking a Senior Engineering Manager to lead a Fullstack team responsible for delivering channel integrations. The role emphasizes team leadership and technical excellence while offering opportunities for personal development and flexible working arrangements. The ideal candidate will have a strong...

Reaktor is seeking a Senior Fullstack Developer to join one of our Business Units in Helsinki, Finland. You’ll work across modern web applications, backend services and production systems, solving ambiguous problems with clients and thriving in a low‑hierarchy environment.You will collaborate with clients across digital product, platform and service...

Kotlin Java Developer WE ARE LOOKING FOR Kotlin Java Developer Unikie is looking for experienced Kotlin Java Full Stack Application Developers to join a long-term customer project. In this role, you will develop and maintain business-critical web applications in a modern cloud-native environment. You will work across the full stack, building Kotlin/Java...

Mapbox Inc. in Helsinki is looking for a skilled engineer to design and implement scalable services for our API and routing engine tiers. Candidates should have experience in either Rust or Typescript (Node.js), and knowledge of building highly-available API services within container-based environments like Docker and Kubernetes on AWS. A focus on...

Mapbox is the leading real‑time location platform for a new generation of location‑aware businesses. Mapbox is the only platform that equips organizations with the full set of tools to power the navigation of people, packages, and vehicles everywhere. More than 4 million registered developers have chosen Mapbox because of the platform’s flexibility,...

About AlphaSense:The world’s most sophisticated companies rely on AlphaSense to remove uncertainty from decision-making. With market intelligence and search built on proven AI, AlphaSense delivers insights that matter from content you can trust. Our universe of public and private content includes equity research, company filings, event transcripts, expert...

Nordea is seeking a seasoned Java developer to help design and modernize the IMSecurities safekeeping and corporate actions ecosystem. You will craft integration layers, API domains, and microservices while advancing CI/CD and test automation across a multi-service landscape.You’ll contribute across development, analysis, integration design, testing,...

We are looking for a Senior Java Developer to join an exciting project in the Banking & Finance sector. Start date: 2026-09-07 End date: 2027-03-07 Location: Helsinki (Hybrid, min. 60% office presence) About the assignment: You will join a newly created Scrum team developing innovative services and solutions within the Embedded Banking Service Domain,...

Unikie is seeking an experienced Kotlin Java Full Stack Developer to join a long-term customer project in Helsinki. You will build Kotlin/Java backend services, React frontends, and contribute to cloud infrastructure, CI/CD, and software architecture.You will work across the full stack, collaborating with stakeholders in a multi-vendor environment while...

Do you enjoy solving complex technical challenges in environments where reliability truly matters? We’re looking for experienced Java Developers to join CGI’s team working with business-critical systems. This is not a traditional project-based development role—instead, you’ll be involved throughout the entire application lifecycle, from development...

HiQ Oy is seeking experienced senior full stack developers to join long-term finance sector projects. You will build customer-facing banking, insurance, and finance services using cloud technologies, Java, Spring Boot, TypeScript, React, Kubernetes, and REST APIs.The role offers mostly remote work with some on-site days in Helsinki. We value self-guided...

Wolt Oy is seeking a Backend Software Engineer (Golang/Python) for the Marketing Tech team in Helsinki. You will build and maintain a centralized consent platform, enable scalable campaigns, and work with marketing and analytics stakeholders to deploy new services.You will contribute to projects using grpc, FastAPI, Echo, PostgreSQL, and Spark, with...

Nordea Bank Norge ASA in Helsinki is seeking a Senior Software Engineer to join the High Risk Change and Development team, owning end-to-end integrations from requirement to deployment. You will leverage Java 21+ and/or Python, with SQL, API services, and containerized deployments (Docker, Kubernetes).You’ll design scalable integration patterns,...

Mapbox Inc. is seeking a skilled engineer to define architectural direction and lead technical initiatives in Helsinki. This role focuses on developing innovative solutions that integrate Mapbox SDKs for various applications. Candidates should have a strong background in Android development, particularly with Kotlin and Java, and a passion for usability. The...

Mapbox is the leading real-time location platform for a new generation of location-aware businesses. Mapbox is the only platform that equips organizations with the full set of tools to power the navigation of people, packages, and vehicles everywhere. More than 4 million registered developers have chosen Mapbox because of the platform’s flexibility,...

PHZ Full Stack Helsingissä etsii Senior Full Stack Java -kehittäjää tai arkkitehtia mukaan dynaamiseen IT-konsultointitiimiin. Työskentelet asiakkaiden projekteissa käyttämällä moderneja teknologioita ja keskeisiä ohjelmistokehitysmenetelmiä; XP:n ja Agile-työskentelyn kautta tavoitellaan korkeaa laatua sekä nopeaa palautetta.Toivomme...

Senior / Expert Java Developer - Safekeeping & Trading Operations Helsinki, FI, 00500 Job ID: 4759 About our team Meet the Safekeeping and Corporate Actions Development team. Our role is to develop and modernise integrations of the IMSecurities Safekeeping & Corporate Action system with the rest of Nordea’s IT landscape. The application is a central part...