senior java backend developer

Unikie in Finland seeks an experienced Kotlin/Java Full Stack Developer to join a long-term customer project. You will build Kotlin/Java backend services, React frontends, and contribute to cloud infrastructure, CI/CD, and software architecture in a cloud-native environment.You will work across the full stack, collaborate with multi‑vendor teams, apply...

Unikie in Tampere, Finland seeks an experienced Kotlin/Java full stack developer to join a long-term customer project. You will build Kotlin/Java backend services, develop React frontends, and contribute to cloud infrastructure, CI/CD and software architecture.The role requires 5+ years in full stack or backend, hands-on Kotlin/Java with Spring Boot,...

ICEYE is looking for a Senior Backend Software Engineer in Espoo, Finland. This role offers the chance to impact global intelligence through the engineering of production-grade systems that control satellites. You will design, develop, and optimize backend services for satellite fleet operations. The ideal candidate has over 5 years of experience in backend...

Smartly in Helsinki is seeking a Senior Software Engineer specialized in backend and full-stack development to drive a flagship rendering engine. You will own backend projects, design APIs, and push scalable solutions across distributed systems.The role emphasizes high availability, performance, and collaboration with Product and Infra, with hybrid work3...

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,...

A deep-tech startup is seeking a Senior LLVM Compiler Backend Engineer in Oulu or remotely in Europe. You will be responsible for developing and optimizing the compiler backend for a Parallel Processing Unit, working closely on CPU architectures and LLVM infrastructure. With responsibilities ranging from designing compiler backends to collaborating with...

Are you a Senior Fullstack Developer who thrives on AI-assisted and agentic engineering practices, and wants to use them to build technology that truly makes a difference? Do you want to help design, build and modernize the software platforms that power a clinical genetic testing laboratory, in a global organization at the forefront of life sciences and...

On a mission to make musicality as common as literacy At Yousician, you’ll help shape the future of music education and profoundly impact the lives of millions of people. Yousician impacts and enriches the lives of millions of people by empowering them to play music they love, learn something new, and nourish their well-being. We merge music and technology...

Role Highlights Senior Test Automation Developer Location: Espoo, Finland Department: Release Engineering Reports to: Release Engineering Manager Employment type: Permanent Workplace model: Hybrid / Office Employment is subject to applicable security screening (incl. SUPO) Responsibilities Dig into system behaviour, risks, and release goals to work out...

About Wolt 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...

Smartly in Helsinki is seeking a Senior Software Engineer to design and evolve systems for high-volume advertising workflows. You will collaborate closely with cross-functional teams to deliver impactful features. The role requires strong experience in backend or full-stack development, primarily using TypeScript and Node.js.Smartly offers a hybrid work...

CubiCasa is redefining real estate visualization with CubiCasa Tour, aligning listing photos to precise locations on an interactive 2D floor plan. Our AI photo matching engine powers this, and the Tour attracts millions of visits monthly.We seek a Senior Full Stack Developer to pair Go backend with TypeScript frontend, delivering mobile-first, pixel-perfect...

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...

As an AI capable Senior Full-stack Developer, you are much more than a strong programmer - you're a trusted partner for clients and a pillar for your development team. With experience from multiple complex projects, you bring clarity in uncertainty and deliver real impact through both code and collaboration. You thrive in full-stack environments and are...

Roolin kuvausHiQ:lla missiomme on yksinkertaistaa ihmisten elämää. Syvän ja monipuolisen teknologia- ja toimialaosaamisemme sekä luovan ajattelun avulla taklaamme asiakkaidemme haasteita ja luomme entistä toimivampia ratkaisuja. HiQ:lla rakennetaan aidosti arvokkaita palveluita asiakkaalle. Meillä pääset rakentamaan yhteiskunnallisesti merkittäviä...

KONE is hiring a Senior / Expert Full Stack Cloud Software Developer for Digital Services Experience Development in Espoo, Finland. You will build cloud-native digital services and experiences that empower field technicians, combining web frontend with backend services and APIs.A strong candidate has web + backend expertise, with Kotlin knowledge an...

Nordea in Helsinki is seeking a Backend Developer focused on Java and Spring Boot to build scalable REST APIs and microservices for our finance solutions. You will contribute to end-to-end design and implementation across a collaborative, international team in a dynamic, fast-paced environment.You will work with modern banking microservices, Kubernetes, and...

Veikkaus is a gaming company for everyone, striving to be better in every aspect. Our passion is to drive better gaming so that our customers can enjoy every moment. Caring, teamwork, and courage are the values that guide everything we do. Responsibility is a core of our operations. Our goal is to be a respected and successful international money gaming...

About WoltAt 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...

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,...