staff java backend developer

Responsibilities 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...

Our award-winning tech community is looking for lead developers to join us in Helsinki.  As a lead developer at Reaktor, your job is to work with the full software development lifecycle, help your team succeed, and deliver results Your daily tasks include:Being the first point of contact for the client when it comes to technical questions or the quality...

Our award-winning tech community is looking for lead developers to join us in Turku.  As a lead developer at Reaktor, your job is to work with the full software development lifecycle, help your team succeed, and deliver results Your daily tasks include:Being the first point of contact for the client when it comes to technical questions or the quality of...

Reaktor's award-winning tech community is looking for full-stack developers to join us in Turku. If you are in your element with a full software development cycle, have a passion for solving human problems with a holistic approach, and are curious to experience working in a low-hierarchy environment, you might just be what we're looking for.As a Full Stack...

OverviewJoin our diverse and multicultural team at Nebius. We are looking for backend engineers to develop and maintain our core systems. The role involves working with scalable backend solutions, collaborating with frontend and site reliability teams, and ensuring system security and performance. Candidates should have experience with cloud platforms,...

Job ID: 4759 Welcome to Group Technology, where we pride ourselves on engineering solutions and direct Nordea’s transformation by providing a holistic technological view and structured understanding of the bank, and its surrounding environment to enable the Customer Vision and the Business Strategy. About Our Team Meet the Safekeeping and Corporate Actions...

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...

Your code will protect millions of devices. At CUJO AI, our OTM (On The Move) team builds Android and iOS apps backed by a cloud platform deployed on AWS — delivering cybersecurity and parental control features to users on the go.  We're looking for a Senior Software Engineer with proven experience in programming...

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...

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...

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...

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...

Senior Software ConsultantJoin 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...

Arionkoder is an AI consulting firm helping companies build, embed, and own AI systems that drive real business outcomes. We combine Product Development, Artificial Intelligence, and Team Augmentation to craft digital products and solutions that create lasting impact — guided by a human-centric approach and a commitment to pushing the boundaries of what...

Full Stack Developer at Reaktor HelsinkiResponsibilities include collaborating with client teams, implementing features across frontend, backend, and databases, and contributing to architecture.RequirementsRequirements include broad software development experience, proficiency in TypeScript/JavaScript and Node.js, React, knowledge of CI/CD, DevOps basics,...

Reaktor's award-winning tech community is looking for full-stack developers to join us in Tampere.Your daily tasks include:Working together with the client’s tech and business teams and helping them to pick the right technologies suitable for their needs.Implementing new features that require changes to frontend applications, backend servers, and/or...

Role highlights:Senior/Staff Platform Observability EngineerLocation: Espoo, FinlandDepartment: Platform & Release EngineeringEmployment type: PermanentWorkplace model: HybridEmployment is subject to applicable security screening (incl. SUPO,)Why this role matters:As a Platform Observability Engineer, you’ll make the health of ICEYE’s systems visible,...

Title: Staff Platform EngineerDepartment: Platform & Release EngineeringLocation: Espoo, FinlandReports to: Infrastructure Engineering LeadEmployment type: PermanentWorkplace model: HybridEmployment is subject to applicable security screening (incl. SUPO)Why this role matters:As a Senior / Staff Platform Engineer, you’ll own and evolve the foundations that...

Monthly salary comparison for Full Stack DeveloperMarketMedianUpper bound (75th percentile)All roles in Turku, Finland €2,000/per month €2,622/per month €5,000/per monthPay in our data — not quoted in ad (Mid-Level) €201/per month €218/per month €236/per monthAbout the roleFull Stack Developer Turku job posting...

Lead Developer Helsinki Hybrid | Full time. Our award-winning tech community is looking for lead developers to join us in Helsinki. As a lead developer, your job is to work with the full software development lifecycle, help your team succeed, and deliver results.Key ResponsibilitiesDaily tasks include being the first point of contact for the client when it...