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Who we areInvosy Oy is a growing invoicing service company that designs and develops its own systems, websites, and digital services for businesses. We operate from a modern office in the heart of Helsinkis Kamppi district, where teamwork and open communication are at the core of everything we do.We focus on high-quality code, long-term development, and...

Työpaikkakuvaus Who we are Kassavirtanen Oy is a growing invoicing service company that designs and develops its own systems, websites, and digital services for businesses. We operate from a modern office in the heart of Helsinkis Kamppi district, where teamwork and open communication are at the core of everything we do. We focus on high‑quality code,...

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...

Who we areKassavirtanen Oy is a growing invoicing service company that designs and develops its own systems, websites, and digital services for businesses. We operate from a modern office in the heart of Helsinkis Kamppi district, where teamwork and open communication are at the core of everything we do.We focus on high-quality code, long-term development,...

Invosy Oy is seeking a Back-End Developer to design and implement scalable back-end services and APIs for our own systems and client projects. You will work with front-end developers and designers to deliver robust, efficient solutions.We value clean, maintainable code and familiarity with cloud platforms. The role requires at least two years in back-end...

Job ID: 5816 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.Job ID: 5816 Welcome to Group Technology, where we pride...

Kassavirtanen Oy hakee kokeneita Back-End -kehittäjiä rakentamaan skaalautuvia palveluita. Tehtävässä työskentelet osana kehitystiimiä, suunnittelet ja toteutat back-end-palveluita sekä API-rajapintoja sekä omille järjestelmillämme että asiakkaidemme projekteille.Yhteistyö frontend-kehittäjien ja suunnittelijoiden kanssa varmistaa sujuvat...

Kassavirtanen Oy in Helsinki seeks a Back-End Developer who enjoys building scalable services. You will design and implement back-end systems and REST APIs powering our platforms, working with front-end developers to deliver smooth user experiences.Required: 2+ years with C# / .NET and SQL, writing clean, maintainable code, and contributing to architecture....

Ty"öpaikkakuvaus We are looking for a Junior Front-End Developer to strengthen our development team! Who we are Kassavirtanen is a growing invoicing service company that designs and develops its own systems, websites, and digital services for businesses. We operate from a modern office in the heart of Helsinkis Kamppi district, where teamwork and open...

We are looking for a Front-End Developer to strengthen our development team!Who we areKassavirtanen Oy is a growing invoicing service company that designs and develops its own systems, websites, and digital services for businesses. We operate from a modern office in the heart of Helsinkis Kamppi district, where teamwork and open communication are at the core...

Maybell Quantum is growing quickly, and we are expanding our technical group in Finland! If joining an outstanding team at one of the most exciting companies in quantum computing sounds interesting, then Maybell may be the place for you.Maybell is a venture-backed startup of scientists, engineers, visionaries, and innovators designing and building the...

Kassavirtanen Oy etsii Junior Front-End -kehittäjää vahvistamaan kehitystiimiä. Tehtävässä rakennetaan käyttöliittymiä, tehdään yhteistyötä backendin kanssa ja tuotetaan laadukkaita, responsiivisia sovelluksia asiakkaidemme tarpeisiin.Hakija hallitsee Reactin ja JavaScriptin, osaa kirjoittaa puhdastaa koodia ja osaa SQL-tietokantoja sekä...

CSG Talent seeks an experienced Project Director to lead end-to-end delivery of major data centre developments in Finland. The role holds senior leadership responsibility from concept and early development through design, procurement, construction, commissioning and handover.The Project Director will coordinate CSA and MEP teams, drive governance and ensure...

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...

Siili is at the forefront of AI-powered digital development. We work with clients to turn ambitious ideas into production-ready AI solutions, spanning enterprise platforms, MLOps foundations, and LLM-powered applications embedded into core processes.You’ll lead architectural efforts, guide teams, and ensure AI initiatives deliver measurable business value....

Reaktor is seeking AI developers in Helsinki to design and build end-to-end AI-enabled applications. You’ll work across backend, frontend, and infrastructure, integrating OpenAI and open-source LLMs, and deploying in cloud environments with Docker and Kubernetes.You’ll contribute to end-to-end AI use cases, participate in RAG pipelines, and collaborate...

Aiven is seeking a Fullstack Software Engineer to join the Kafka Ecosystem team in Helsinki. You will build end-to-end features with Python in orchestration of managed Apache Kafka services across clouds, contribute to Karapace, and develop React interfaces that users interact with.Your focus will be Python, spanning API design to the UI. You will extend...

Reaktor's award-winning tech community is looking for full-stack developers to join us in Helsinki. 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...

Reaktor's award-winning tech community in Helsinki is seeking full-stack developers to join our team for work across the entire software development lifecycle, from front-end to production.You’ll collaborate with client tech and business teams to select technologies, implement features across frontend, backend and databases, and deliver world-class...

Responsibilities Develop and optimize mobile applications, utilizing both front-end and back-end technologies such as TypeScript, React, React Native, Next.js, and Node.js. Solve challenges and work in an agile environment. Build brand new digital services from scratch using the latest tech stack. Continuously modernize, maintain, and scale existing...