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1 673 työpaikkailmoitusta hakusanalle javascript back-end developer alueella Suomi. Löydä päivittäin päivitetyt työpaikat johtavilta portaaleilta.

  • Junior Back-end Developer

    18 tuntia sitten


    Helsinki, Uusimaa, Suomi Työmarkkinatori Kokoaikainen 45 000 € - 75 000 € Sopimus

    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...


  • Helsinki, Uusimaa, Suomi Työmarkkinatori Kokoaikainen 45 000 € - 75 000 € Sopimus

    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...


  • Helsinki, Uusimaa, Suomi Reaktor Group konserni Kokoaikainen 70 000 € - 110 000 € Sopimus

    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...


  • Helsinki, Uusimaa, Suomi Aiven Kokoaikainen 85 000 € - 120 000 € Sopimus

    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...


  • Helsinki, Uusimaa, Suomi Air Apps Kokoaikainen 47 000 € - 58 000 € Sopimus

    About Air Apps At Air Apps, we believe in thinking bigger-and moving faster. We're a family-founded company on a mission to create the world's first AI-powered Personal & Entrepreneurial Resource Planner (PRP), and we need your passion and ambition to help us change how people plan, work, and live. Born in Lisbon, Portugal, in 2018-and now with offices in...


  • Helsinki, Uusimaa, Suomi Hion Kokoaikainen 90 000 € - 120 000 € Sopimus

    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...

  • WordPress Developer

    3 days ago


    Helsinki, Uusimaa, Suomi CubiCasa Inc. Kokoaikainen 60 000 € - 90 000 € Sopimus

    About the Role At CubiCasa, we are on a mission to put a "Floor plan on every listing". To support our global growth, we are looking for an experienced WordPress Developer to lead the technical development and ongoing optimization of our Marketing Website and support our Photographer Marketplace development, which is hosted on top of our WordPress site. In...


  • Helsinki, Uusimaa, Suomi Outokumpu Stainless Oy Kokoaikainen 70 000 € - 90 000 € Sopimus

    We are looking for a Service Manager - End User Services, AD and VDI to take responsibility for service management, continuous improvement and development of services and solutions within Active Directory (AD) and Azure Virtual Desktop Infrastructure (VDI).In this role, you will act as the single point of contact for business stakeholders and vendors...

  • Fullstack Developer

    2 days ago


    Helsinki, Uusimaa, Suomi Accenture PLC Kokoaikainen 65 000 € - 90 000 € Sopimus

    Fullstack Developer Build software with AI as your teammate, not just your tool. We're looking for a Fullstack Developer who enjoys solving real business problems end to end, from a clean React interface to a solid Java backend. You'll work in a team where AI-assisted and agentic development are part of everyday work, and you'll help shape how we use these...

  • Software Developer

    4 days ago


    Helsinki, Uusimaa, Suomi Peab DEMO TD Kokoaikainen 45 000 € - 60 000 € Sopimus

    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...


  • Helsinki, Uusimaa, Suomi Air Apps Kokoaikainen 47 000 € - 58 000 € Sopimus

    Air Apps is seeking a Front-End Web Developer to craft seamless, high-performance web experiences for a global audience. You will collaborate with designers, PMs, and back-end teams to build and optimize interfaces using modern web technologies, impacting millions of users of our AI-powered platform.This is an onsite role in Lisbon with relocation support...


  • Helsinki, Uusimaa, Suomi Vierityspalkki.fi Kokoaikainen 3 500 € - 4 200 € Määräaikainen

    Työpaikat Päivitetty: 2 tuntia sitten Validointi: Perttu Tolvanen Yritys: Suomen Syöpäyhdistys Paikkakunta: Helsinki (hybridityö) Palkka: 3 500-4 500 € / kk Tyyppi: Ohjelmistokehitys - back end, Ohjelmistokehitys - front end Viim. hakupäivä: 15.11.2026 6 päivää jäljellä Suomen Syöpäyhdistys hakee Suomen Syöpärekisteriin...

  • Mobile Developer

    2 days ago


    Helsinki, Uusimaa, Suomi Lokki Henkilöstöpalvelut Oy Etätyö Kokoaikainen 60 000 € - 90 000 € Sopimus

    We are looking for an experienced Mobile Developer.Mandatory Skills and Experience:At least five years of experience in mobile application development (iOS/Android, preferably experience with both)Experience from at least five completed mobile projects (iOS & Android)Experience in designing or implementing functionalities related to digital identity,...

  • Senior Full Stack Developer

    18 tuntia sitten


    Helsinki, Uusimaa, Suomi Nawia Oy Kokoaikainen 90 000 € - 130 000 € Sopimus

    Do you enjoy working on both ends of a mature product and want real say in where its code goes next? Join a small product team as its third developer and help shape an idea management platform used by organisations around the world. About us HYPE Boards, formerly known as Viima, is an idea and innovation management platform. It was founded in Espoo in 2013...

  • IA Developer

    2 days ago


    Helsinki, Uusimaa, Suomi Also International Kokoaikainen 45 000 € - 65 000 € Sopimus

    ALSO looks forward to working with you as aLocation: Finland — primarily remote, with visits to our Tampere office approximately 1–2 times per monthEmployment type: Permanent, full-timeCareer level: Early career 0-3 YearsBuild practical AI solutions with real business impactOur small, agile AI and Automation team in Finland helps the wider ALSO Group...

  • AI Developer

    2 days ago


    Helsinki, Uusimaa, Suomi Also Group Kokoaikainen 52 000 € - 78 000 € Sopimus

    Location: Finland — primarily remote, with visits to our Tampere office approximately 1–2 times per month Employment type: Permanent, full‑time Build practical AI solutions with real business impact Our small, agile AI and Automation team in Finland helps the wider ALSO Group apply AI and automation to meaningful business needs. We are looking for an...


  • Helsinki, Uusimaa, Suomi Sanoma Media Kokoaikainen 42 000 € - 60 000 € Sopimus

    Founding Audience DeveloperEditorial creator and community builderHelsingin Sanomat is exploring new ways to make Finnish news more accessible, relevant and engaging for international residents in Finland, especially those who prefer to follow news in English or Easy Finnish.We're combining journalism, audience insight, AI-supported tools and product...


  • Helsinki, Uusimaa, Suomi Outokumpu Stainless Oy Kokoaikainen 70 000 € - 90 000 € Sopimus

    Outokumpu Stainless Oy is seeking a Service Manager for End User Services, AD and VDI to lead service management and ongoing development of AD/VDI services within a global IT environment.You will be the single point of contact for business stakeholders and vendors, driving improvements, overseeing CAB processes and ensuring service performance. The role...

  • Lead Developer

    5 days ago


    Helsinki, Uusimaa, Suomi Reaktor Kokoaikainen 60 000 € - 80 000 € Sopimus

    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 of...

  • AI Developer

    18 tuntia sitten


    Helsinki, Uusimaa, Suomi Reaktor Group konserni Kokoaikainen 70 000 € - 110 000 € Sopimus

    Reaktor's award-winning tech community is looking for AI developers to join us in Helsinki. If you thrive on applying cutting-edge AI technologies, building LLM-powered applications, and driving projects through the full software development lifecycle — and you’re passionate about solving real human problems with a holistic approach — we’d love to...