java backend developer

Academic Work Finland Oy is seeking a Backend Developer to own cloud services end-to-end and scale our platform for global demand, based at our Helsinki HQ with flexible hybrid work. Your work will impact clinical workflows and patient care worldwide.You will design, build, and operate backend services in .NET and Python, own services end-to-end from...

Reaktor's tech community is looking for an experienced Senior Native Mobile Developer to join our Gaming & Entertainment Business Unit in Helsinki.If you thrive in native mobile development, enjoy solving complex challenges in multidisciplinary teams, and are curious to work in a low-hierarchy environment, you might just be what we’re looking for.You will...

Implement Temporal workflow activities in Go: HSS adapter, PCRF adapter, Inventory update.Build and validate unit tests for all workflow activities from day one.Build the Inventory Management Database: tables, indexes, partitioning for 30M records.Build bulk import tooling: CSV → ICCID/IMSI/MSISDN range ingestion from vendor.Implement REST API endpoints...

We are at the forefront of digital innovation. As a market leader in, we're seeking an experienced Software Developer to bring fresh ideas and passionate expertise to our tech team.Key ResponsibilitiesDesign, code, test, and maintain software applications.Collaborate with cross-functional teams to define, design, and ship new features.Identify and correct...

Reaktor's tech community is looking for an experienced Senior Fullstack Developer to join one of our Business Units in Helsinki.If you are comfortable working across modern web applications, backend services and production systems, enjoy solving ambiguous problems with clients, and are curious to work in a low-hierarchy environment, you might just be what...

Lead Developer Turku hybrid full-time role with responsibilities spanning the full software development lifecycle, client collaboration, feature implementation across front-end/back-end, and agile practices.Requires 8+ years, fluent Finnish and English, and experience with TypeScript/JavaScript, Node.js, React, and PostgreSQL.Eight years of relevant work...

Python Backend Engineer with C++ ExperienceJOB NAMEWe are looking for JOB NAME to our #COMPANYAllStars team. You will start your journey either in a selected customer project or in COMPANY’s internal product development team, depending on your profile and available opportunitiesYour future colleagues are waiting for you to join our international team....

Senior Developer - Product & Engineering Purpose of the Role We didn’t just build another hotel system - we rethought how it should work for the future of experience-driven hospitality. Our customers say “We love Moder because if you can read, you can use it”. As a Senior Developer at Moder, you’ll be at the heart of that mission. You’ll build...

We at Posti take care of a smoother flow of everyday life for you, companies and society while building a more sustainable future for us all with a diverse pool of professionals from mail deliverers and warehouse workers to artificial intelligence experts. As a large company, the range of possibilities we offer is huge – also internationally. Overall, we...

Unikie is seeking a Python Backend Engineer to join a team developing Unikie Marshalling, a vehicle fleet management system used with autonomous vehicle operations. You will work in a small, international team across Finland and Poland, owning your work and contributing to evolving technology in a flexible, fast-moving environment.You will primarily develop...

Small Giant Games is one of the top-performing mobile gaming companies in the world. We are proudly part of the Zynga & Take-Two Interactive family. We believe small, skilled, and independent teams can accomplish gigantic things. We know the best teams are created by hiring the best individuals and by trusting these individuals with ownership and...

Coragrid is hiring a Backend Engineer - API to build the data infrastructure, backend services, and terminal-native systems behind private-company intelligence. We are looking for a backend/systems engineer who is strong in Rust, comfortable on Linux, and opinionated about fast, zero-bloat software. Coragrid builds data infrastructure for private markets....

Glaston is seeking a Senior Software Engineer in Tampere to design, develop and maintain backend applications powering its glass tempering machines. You will work on core systems using .NET/.NET Framework and collaborate with QA, Product, Project Management and Technical Support to deliver robust software solutions.The role requires strong C# and REST API...

Job OverviewAt Columbia Road, we are looking for talented developers with some professional experience in software development to grow into trusted advisors. The role involves building digital sales channels and systems, collaborating with cross-competence teams, and creating business impact through technology.Location & SalaryPosition based in Helsinki or...

Your code will protect millions of devices. At CUJO AI, our OTM (OnTheMove) team builds Android and iOS apps backed by acloudplatform deployed on AWS — delivering cybersecurity and parental control features to users on the go. We’relooking for aSenior Software Engineerwithproven experiencein programming usingTypeScript/Node.jsonAWS serverlessservices,to...

YO IT Consulting is seeking a C++ Developer to join their remote team, focusing on advancing an AI agent project. This role involves designing, optimizing, and training AI models, contributing to innovative AI solutions. Candidates should have deep C++ expertise and experience with scalable backend systems.The position emphasizes collaboration with top-tier...

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...

Join MVision AI, ranked #16 in Deloitte Fast 50 Finland, and help us revolutionize cancer treatment. We build cutting-edge, AI-driven cloud platforms that streamline radiotherapy workflows globally.About the roleAs a Backend Developer, you will own cloud services end-to-end to scale our platform for growing global demand. You will collaborate closely with...

HiQ Finland etsii kokenutta Lead Developeria ohjaamaan arkkitehtuuria, teknistä suunnittelua ja tiimien sparrausta. Tehtävässä rakennetaan ja kehitetään päivittäin käytettäviä pankki-, vakuutus-, sekä rahoituspalveluita end-to-end -ratkaisuina, pääosin etänä.Projekti vaatii 1–2 päivää viikossa läsnäoloa pääkaupunkiseudulla....

SEB Life & Pension is seeking an experienced .NET Developer to maintain and modernize critical applications while ensuring system stability and performance. You will focus on backend development in .NET, with opportunities to contribute to new capabilities and collaborate with frontend teams.You will work in a multicultural environment with our development...