215 backend developer English-speaking jobs in Helsinki

Nice to have Background in Node.js or other backend languages. ... What you'll do: Build and maintain high-throughput backend services using Go .

Senior Software Engineer to drive Supercell ID evolutions, setting technical direction and leading high-impact initiatives. Design, build, and operate a scalable, secure platform for hundreds of millions of players. Requires strong programming skills and system ownership experience.

You believe in knowledge sharing and in the power of a brave, forward-looking, and innovative developer ... reusable platform and agentic development capabilities that improve software delivery, quality, and developer ... re looking for Hands‑on experience using AI‑assisted development tools, automated workflows, and developer ... real production services and delivery workflows influence technology choices, engineering practices, developer

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

through technology Qualifications Professional web development experience Good understanding of backend

As we grow, we are looking for an AI-Driven Full Stack Developer to join our Helsinki team. ... Your role: As a Full Stack Developer, you’ll build, maintain, and enhance our platforms, working with

We especially value: existing Salesforce certifications (e.g., Administrator, App Builder, Developer, ... Would you be an experienced developer, systems architect, or perhaps a Business Analyst with strong understanding

Nice to have Background in Node.js or other backend languages. ... What you’ll do: Build and maintain high-throughput backend services using Go .

Have built or run internal developer platforms (IDPs). ... We build developer, infrastructure, cloud and AI environments that keep delivering, and we fix the foundation ... You help develop Polar Squad's services, from cloud and developer platforms to AI platforms and managed

experience building and operating production software systems, preferably in platform, infrastructure, backend ... software that other engineers use: CLIs, internal platforms, control planes, automation, CI validation, developer

The Opportunity Our client who are a leading data centre developer is expanding its data centre footprint

Familiarity with Internal Developer Platforms, including AI-assisted development tools, and a clear-eyed ... documentation Experience with workflow automation tooling (e.g. n8n, Temporal) Familiarity with Internal Developer ... consumable by developers and LLM agents (e.g. machine-readable/structured docs, MCP-style interfaces, and developer-portal

, and grow into a Lead Mobile Developer. ... Lead Mobile Developer — The Architect of Our Mobile Experience Location: Erottaja, Helsinki, Finland ... The Role We are looking for a highly skilled Senior iOS Developer who is hungry to step up, take ownership

Internal developer platform experience, including developer experience measurement (DORA metrics, lead ... technical lead, platform lead, or architect roles, with a primary focus on platform, infrastructure, or developer

Experience in backend development using modern technologies. ... On the backend side of things, our favored stack is Node.js in combination with TypeScript usually coupled

You believe in knowledge sharing and in the power of a brave, forward-looking, and innovative developer ... Hands-on experience using AI-assisted development tools, automated workflows, and developer tooling, ... reusable platform and agentic development capabilities that improve software delivery, quality, and developer ... real production services and delivery workflows influence technology choices, engineering practices, developer

We are seeking a versatile Senior IT Developer for a hands‑on engineering role solving a broad range ... Modernizing our platform — improving developer experience, reducing manual work, and raising the bar

Hands‑on experience owning or administering at least one AI or developer tool at organisational scale ... What We Need You To Do And Be You will take ownership of the AI and developer tools our R&D organisation ... looking for a Senior R&D Operations Specialist to be the person who owns, administers, and evolves the AI developer

Description Position at Ookla We are looking for a talented Senior Mobile Software Developer to play

Our product development team currently consists of three C++ developers, a web developer, a QA engineer ... user-experience in mind Expert level C++ skills with at least 5 years of professional experience as a senior developer