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...

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...

Who is Flock?Flock Safety is an all-in-one technology solution to eliminate crime and keep communities safe. Our intelligent platform combines the power of communities at scale - including cities, businesses, schools, and law enforcement agencies - to shape a safer future together. Our full-service, maintenance-free technology solution is trusted by...

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,...

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 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...

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...

Founded in 1910, KONE is a global leader that provides elevators, escalators and automatic building doors, as well as solutions for maintenance and modernization that add value to buildings throughout their life cycle. Our mission is to improve the flow of urban life and make our world’s cities better places to live by providing innovative solutions that...

Työsopimuksen tyyppi: vakituinenSijainti: Kurkimäki, Helsinki / joustava etätyöHakuaika päättyy: 6.9.2026Koka vahvistaa ohjelmistokehityksen joukkojaan ja etsii nyt kokenutta Full Stack Developeria pieneen ja tiiviiseen asiantuntijatiimiinsä. Pääset koodaamaan IoT-palveluita ja vaikuttamaan aidosti siihen, miten niitä kehitetään...

Roolisi Lead Developerina HiQ: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...

Innokas is a growing and experienced Finnish contract design and manufacturing company (CDMO), trusted as an expert partner by customers in demanding and regulated industries. We serve companies in health technology, industrial high-tech, and defense and dual-use sectors in the Nordics and Europe.We are part of the value-driven and family-owned Paree Group...

Founded in 1910, KONE is a global leader that provides elevators, escalators and automatic building doors, as well as solutions for maintenance and modernization that add value to buildings throughout their life cycle. Our mission is to improve the flow of urban life and make our world’s cities better places to live by providing innovative solutions that...

Job ID: 4964We are looking for a Java-enthusiast Backend Developer with experience in building Rest APIs using Spring Boot framework to join our team in Finland. This is an opportunity for you to play a part in building a better finance company and help our customers to reach their goals. Job ID: 4964We are looking for a Java-enthusiast Backend Developer...

Are you passionate about shaping the future of industrial digitalization? If yes, we have an interesting opening for you! We are currently looking for a Senior Software Developer or Software Architect to join our Intelligent Devices team and play a key role at the intersection of technology and business. Manufacturing industries are living in an era of...

Founded in 1910, KONE is a global leader that provides elevators, escalators and automatic building doors, as well as solutions for maintenance and modernization that add value to buildings throughout their life cycle. Our mission is to improve the flow of urban life and make our world’s cities better places to live by providing innovative solutions that...

Job OverviewAt Columbia Road, we are looking for talented developers with some professional experience in software development to grow into trusted advisors. The role involves building digital sales channels and systems, collaborating with cross-competence teams, and creating business impact through technology.Location & SalaryPosition based in Helsinki or...

What if your next role would let you shape user experiences at the core of Finlands financial infrastructure?We're looking for a Full Stack Developer to join our New Business -team in Euroclear Finlands IT department for a permanent position.This position suits a developer who values engineering excellence, meaningful impact, and professional autonomy, and...

Reaktor Innovations Oy in Turku is seeking a Full Stack Developer to join our delivery teams. You will build features across frontend and backend, collaborate with client teams, and contribute to architecture and code quality.You should have experience with Java/Scala/Kotlin, Node.js, Python, React, and PostgreSQL. The work focuses on delivering scalable web...

We are looking for Salesforce developers who are motivated by working on software that has a measurable impact on business. You get to work directly with our clients in highly autonomous teams where software, design, and marketing come together.Who we areColumbia Road is the go-to consulting partner for businesses that want to sell better. Excelling in...