174 frontend developer English-speaking jobs in Helsinki

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 ... Implementing new features that require changes to frontend applications, backend servers, and/or databases ... position, you’ll need: Experience in a broad range of software development modalities (backend, frontend

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 ... Implementing new features that require changes to frontend applications, backend servers, and/or databases ... position, you’ll need: Experience in a broad range of software development modalities (backend, frontend

Proficiency in JavaScript and modern frontend frameworks such as React. ... Solve complex workflow problems and implement enhancements in frontend and backend services based on ... Understanding of REST architecture, SPA approach, micro-frontend architecture, common software design

We are a Helsinki based group of experts passionate about solving high-level frontend challenges. ... Be a core contributor to our Creative Engineering Group, ensuring our frontend and core packages remain ... Minimum of 6 years of experience in building robust, complex web applications with a mastery of frontend

Our tech stack Backend: Node.js, TypeScript Frontend: React, TypeScript Infrastructure: PostgreSQL ... Strong experience building and operating production‑grade systems with Node.js and TypeScript Solid frontend

Job ID: 5236 We are looking for a back-end developer to join our team with a full-time employment ... Your background and skills include 5+ years of experience as a back‑end developer Knowledge and

As a lead developer at Reaktor, your job is to work with the full software development lifecycle, help ... collaboration Assisting the team in adopting and following agile practices You are an experienced developer

Reaktor's award-winning tech community is looking for an experienced Mobile Developer to join our Gaming

Develop and maintain APIs for consumption by other backend services or frontend code. ... Strong backend development skills with NodeJS & TypeScript with a good understanding of frontend technologies

What We Believe are Important Traits for This Role Expertise in Modern Frontend Architecture: You ... Performance Optimization : A sophisticated understanding of frontend architecture for large‑scale, data‑intensive

Are you a skilled developer excited to build at the frontier of AI-native software development? ... We're hiring an experienced developer to shape the future of our AI engine for impact intelligence — ... As a developer at Upright, you spend much less time on repetitive plumbing and much more time designing

That means running usability studies with real technical users, benchmarking against the best developer ... Enough technical fluency with cloud infrastructure or developer tooling to design realistic research ... Benchmark UX across cloud platforms and developer tools to establish baselines for new features and track

We are looking for a skilled IT Developer with experience in financial technology who can help build ... As the Developer, you'll play a valuable role in delivering solutions that enable the Nordea FX Franchise

This role sits at the intersection of developer workflows, CI/CD, AI evals, and operational feedback ... Experience improving CI/CD, developer workflows, or review pipelines used across many repositories or ... This is a platform‑engineering role focused on release confidence and developer convenience for AI‑powered ... That includes dependable quality gates, reusable validation flows, strong observability, and developer‑facing ... from you if you have: Strong hands‑on experience building and operating production backend platforms, developer

At ALTEN Finland , we are looking for Embedded Software Developer with FPGA development expertise to

Senior AI Developer creates AI-native products and builds agentic capabilities into WithSecure products. Responsibilities include designing AI-first products, owning the design of complex agentic work, and coaching less experienced developers. Requires deep software engineering foundation, hands-on fluency with agentic engineering practices, and experience shipping agentic features.

How you’ll make a difference As a Senior Software Developer, you’ll take an active role in shaping

As aLead Developer, AI , you are at the forefront of our agentic development lifecycle.

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

We are looking for an experienced Software Developer to join our Game Studio team in a role that combines ... You will be working in a small, focused team consisting of a Game Service Manager and another Game Developer