215 backend developer English-speaking jobs in Helsinki

At least 5+ years of strong background in backend, infrastructure, product or platform engineering, and ... This is a team of 5 engineers working on a foundational, mission‑critical platform that helps simplify backend ... This is an opportunity to lead a foundational platform team working on one of the most important backend ... good technical judgment when working with distributed systems, runtime platforms, or developer‑facing ... Guide architectural and technical decisions for the Computing Platform runtime and developer‑facing APIs

Lead Developer Helsinki Hybrid | Full time. ... also used) client-side language and framework knowledge (TypeScript/JavaScript/React; mobile stacks) backend ... As a lead developer, your job is to work with the full software development lifecycle, help your team

As a Full Stack developer at Reaktor, your job is to be an expert in a range of software development ... You are a curious-minded developer who is comfortable working on both the back-end and front-end of an ... Relevant skills to create new backend services and build CI/CD pipelines when the project requires. ... Implementing new features that require changes to frontend applications, backend servers, and/or databases ... in this position, you’ll need: Experience in a broad range of software development modalities (backend

As a Full Stack developer at Reaktor, your job is to be an expert in a range of software development ... You are a curious-minded developer who is comfortable working on both the back-end and front-end of an ... Relevant skills to create new backend services and build CI/CD pipelines when the project requires. ... Implementing new features that require changes to frontend applications, backend servers, and/or databases ... in this position, you’ll need: Experience in a broad range of software development modalities (backend

We are looking for an experienced IT Developer to help shape the next generation of mobile bank application ... What You’ll Be Doing Main responsibilities in this role Designing and developing backend services using

The team owns the full delivery chain – from customer‑facing experiences to backend services. ... We are looking for a full‑time Senior Mobile Developer (iOS & Android) to help shape the next generation ... We work across native mobile development (iOS and Android), web applications, and backend microservices ... About This Opportunity We’re looking for a Senior Mobile Android Developer with strong experience in ... stakeholders Depending on your interest and skills, you can do contributions to the frontend & backend

The implementation may target a backend service, our plugin framework, CLI tooling, CI/CD pipelines, ... The Data Developer Experience team is looking for a Senior Software Engineer to build core services for ... You are passionate about Developer Experience and excel at balancing user needs with technical and platform ... with data platform architecture, specifically columnar databases/storage and MPP engines, Passion for Developer

You will balance legal and regulatory correctness, user trust, security, reliability, and developer velocity ... You will lead a team of backend and platform engineers responsible for the next generation of privacy ... You’re excited about this opportunity because you will… Lead and mentor a high-performing team of backend ... related field, or equivalent practical experience 3+ years of experience in people management leading backend

Ability to mentor other engineers and increase developer productivity across teams. ... The team includes android, iOS, backend, and “full-stack” engineers that do both app-side and backend ... Experience with HTTP API design: if interested, there is potential to work on both the backend APIs and ... across the cloud Empower feature teams to develop end-to-end features without the need to involve backend ... Kotlin, (with some C++ libs, mostly in other domains), RealmDB (we’re migrating away from it), Sqlite Backend

Who You Are This is the right role for you if you are a versatile backend developer with broad technical ... We are looking for a skilled and versatile IT Developer to strengthen the STO Domain API team. ... The role combines hands‑on backend development with analysis, integration design, deployment automation ... Design, develop andmaintainservices in and around the STO Domain API, including backend code, connectors

Ability to mentor other engineers and increase developer productivity across teams. ... Cross-platform experience (e.g., iOS or backend). ... You’ll collaborate closely with product, design, backend, data science, and research while shaping an ... early prototyping through production and iteration, including the client-side integration points with backend ... Experience building GenAI/LLM-powered product features, including client integration with an AI or LLM backend

Reaktor's tech community is looking for an experienced Senior Native Mobile Developer to join our Gaming ... Experience with reactive programming Experience with Flutter Experience with C++ Familiarity with backend ... troubleshooting, and production quality Occasionally contributing beyond mobile when the project benefits from backend

Reaktor's tech community is looking for an experienced Senior Native Mobile Developer to join our Retail ... Google Play Experience with publishing apps via the App Store and Google Play Familiarity with backend ... troubleshooting, and production quality Occasionally contributing beyond mobile when the project benefits from backend

Modern tools: You get strong local hardware, serious developer tooling, and a team that values speed ... Backend curiosity: You want to move between services, APIs, database queries, ingestion jobs, infra, ... Hands-on experience with Rust, Python, or backend services built with frameworks such as Axum, FastAPI

About the team We, the Marketing Tech team, are looking for a passionate and driven Golang/Python Backend ... Our backend runs on Kubernetes in AWS, so experience with similar cloud infrastructure is a strong plus

While Kotlin is our primary language, experience with Java, Scala, or other JVM backend languages is

You’ll work at the intersection of product design and developer advocacy, exploring and improving the ... This is a role for someone who is technically curious and genuinely excited about where developer tools ... Role Overview We’re looking for a DX Designer to own the experience of interacting with Verda as a developer ... to have strong opinions about developer ergonomics and validate flows hands‑on; familiarity with cloud ... You will define and apply design patterns specific to developer‑facing surfaces, including error messages

We're hiring backend engineers who want to be at the front line of what engineering looks like in the ... Collaborative instincts - Growth Platform sits at the intersection of backend, data, ML, and product.

Experienced Senior Go Backend Engineer needed to design, build, and scale reliable systems for merchant experiences. Work across the full development lifecycle in Go or Kotlin.

This isn't a traditional CRUD backend environment. ... Our primary backend languages are Go and Kotlin. ... Have professional experience with Go, Kotlin, or another modern backend language. ... We're more interested in strong backend and distributed systems fundamentals and your ability to learn ... What You'll Do As a Senior Backend Engineer, you'll work primarily with Go or Kotlin and take end-to-end