senior java backend developer

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...

Senior Backend Engineer - Data Platform Remote – LATAM About the Project You’ll join the engineering team behind a data platform that supports insurance products related to wildfire risk. The platform integrates information from multiple external providers and proprietary data sources, transforming it into reliable and actionable insights. This is a...

Location: Helsinki, Finland (Hybrid) · Kuopio or remote within Finland · Relocation support available Build the cloud platform behind Europe's grid-scale batteries We're looking for a Senior Backend Engineer to help build the cloud infrastructure behind Capalo Zeus VPP™ - our virtual power plant that forecasts, optimizes, bids, dispatches, and operates...

Nordea in Helsinki is seeking a Senior Software Engineer to join the High Risk Change and Development team. You will own end-to-end integration projects from requirement through design, development, testing and release readiness, delivering robust solutions for debt management and related processes.You will collaborate with global counterparts, apply Java...

Role highlights:• Senior Backend Software Engineer• Location: Espoo, Finland• Department: Fleet Control and Satellite Communications• Reports to: Engineering Manager, Satellite Fleet Planning• Employment type: Permanent• Workplace model: Hybrid• Employment is subject to applicable security screening (incl. SUPO, where required)Why this role...

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...

Join Columbia Road as a Senior Software Consultant! Make an impact crafting seamless customer journeys and solving complex challenges directly with clients. Enjoy autonomy, growth opportunities, and variety in technology whilst being supported by a great community. We look forward to hearing from you, future Roadie!Who we areColumbia Road is the go-to...

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'relookingfor aSenior Software Engineerwithproven experiencein programming usingTypeScript/Node.jsonAWS serverlessservices,to...

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...

Reaktor's tech community is looking for an experienced Senior Native Mobile Developer to join our Retail Business Unit in our European locations (Helsinki, Amsterdam, Lisbon).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...

Sievo is seeking an AI-native software engineer with a backend focus to join the Suppliers team in Helsinki. Depending on experience, you’ll join as a Senior or Lead Software Engineer.In this role you’ll drive architectural decisions, build with agents across the SDLC, and help move toward agentic development, delivering end-to-end value in a...

We're hiring an Senior Software Developer to join our crew at QOCO Systems! Are you excited about building impactful SaaS products and working with modern AI-assisted development tools? Do you want to be part of a scale‑up that’s shaping the future of aviation technology? Then we would love to hear from you. We’re looking for developers who are...

We’re now looking for a Senior Mobile Developer For our customer, 9Solutions. 9Solutions is the leading provider of real-time locating based safety, communications and smart care solutions from Oulu, Finland. Their mission is to create environments for safe and quality care by providing solutions that enable effective communication, make relevant...

Supercell in Helsinki is seeking an experienced Server Engineer for the Brawl Stars team. In this role, you'll design and maintain highly scalable backends for live games and collaborate closely with client programmers to develop new features.The ideal candidate will have strong server-side Java experience and a passion for game feature development. You will...

Overview We are seeking an experienced and highly skilled Senior LLVM Compiler Backend Engineer to join our team. In this role, you will be responsible for developing and optimizing the compiler backend for our Parallel Processing Unit. You will work on a variety of tasks that require a deep understanding of computer and CPU architectures, LLVM IR, and the...

Job ID: 1040 Location: Helsinki, Finland We are looking for a Senior Calypso Developer to join our team developing components powering one of core processes in the trading business - Settlement. This is a permanent and full-time position, based in our office in Helsinki (Finland). About our team Meet the Settlement Development team. Our role is to develop...

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...

all positions Helsinki – onsite – FullTime Senior Software Engineer, Supercell ID (Backend) We are looking for a Senior Software Engineer to join the Supercell ID team within our Player Platform organization. In this role, you will own and drive significant evolutions of Supercell ID: setting technical direction, leading high-impact initiatives...

At Wolt, we create technology that brings joy, simplicity and earnings to the neighborhoods of the world. In 2014 we started with delivery of restaurant food. Now we’re building the delivery of (almost) everything and you’ll find us in over 500 cities in 30 countries around the world. In 2022 we joined forces with DoorDash and together we keep on...

About Wunderdog We're a 70-person consultancy helping development teams get better at using AI tools to build things the right way and faster. Not through Powerpoint slides, but through handson training workshops and actual work in teams at companies like Finnair, Elisa, SOK, Alma Media, Sanoma, Blueprint Genetics, RELEX, Smartly and Babbel. Our focus is the...