82 react English-speaking jobs in Helsinki
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Senior AI Agent Developer
- Digital Workforce Services Plc
- helsinki
- August 3
You’ll work closely with users, build end‑to‑end systems across Python and React, and help shape how ... Strong hands‑on experience with LLMs and prompt engineering Proven ability to build production‑grade React
Senior Fullstack Engineer, Channel Expansion
- Smartlyio
- helsinki
- July 6
Our tech stack Backend: Node.js, TypeScript Frontend: React, TypeScript Infrastructure: PostgreSQL ... and operating production‑grade systems with Node.js and TypeScript Solid frontend experience with React
Senior Fullstack Engineer (Creative & Media Library)
- Clutch Canada
- helsinki
- August 18
On the front-end, React, TypeScript and our own shared UI library. ... Experience in building and maintaining complex client applications using React.
Senior Fullstack Engineer (Creative & Media Library)
- Smartly
- helsinki
- August 16
On the front-end, React, TypeScript and our own shared UI library. ... Experience in building and maintaining complex client applications using React.
Fullstack Software Engineer, Kafka
- Aiven
- helsinki
- September 3
roadmap Own features end-to-end: design the API, build the async Python backend, and wire up the React ... across clouds, contributions to Karapace (our open-source Schema Registry and Kafka REST Proxy), and the React ... production-grade code with type annotations and tests Full-stack ability: you can contribute confidently to a React
Fullstack Software Engineer, Kafka New Helsinki, Uusimaa, Finland
- Aiven
- helsinki
- September 3
roadmap Own features end-to-end: design the API, build the async Python backend, and wire up the React ... across clouds, contributions to Karapace (our open-source Schema Registry and Kafka REST Proxy), and the React ... production-grade code with type annotations and tests Full-stack ability: you can contribute confidently to a React
Lead Developer
- Reaktor Innovations Oy
- helsinki
- August 16
Kotlin/Python/Clojure also used) client-side language and framework knowledge (TypeScript/JavaScript/React
Senior Software Engineer (Creative Editor)
- Smartlyio
- helsinki
- July 6
We are tech-agnostic at heart but rely heavily on React and TypeScript to build a seamless and powerful ... Expertise in React and TypeScript, with a deep understanding of state management and performance optimization
Senior Software Engineer, Design Systems
- Clutch Canada
- helsinki
- June 9
Experience working with testing frameworks such as Vitest, React Testing Library, or similar tools. ... What We Are Looking For Strong experience building modern web applications using React and TypeScript
Full Stack Developer
- Reaktor
- helsinki
- August 24
TypeScript/JavaScript React-native on mobile. ... We often use TypeScript/JavaScript and React on our web app projects and Swift, Java/Scala/Kotlin, or
Software Developer
- Reaktor
- helsinki
- August 24
TypeScript/JavaScript React-native on mobile. ... We often use TypeScript/JavaScript and React on our web app projects and Swift, Java/Scala/Kotlin, or
Senior Fullstack Engineer
- Femtech Insider Ltd.
- helsinki
- July 20
Lead Frontend Excellence: Create sophisticated, performant UIs using TypeScript (React or Vue) and Vite ... Mastery of Modern Web Tech: Deep expertise in TypeScript and modern frontend frameworks (React or Vue
Software Engineer, Aiven Context
- Aiven
- helsinki
- June 26
Frontend Capabilities: Solid experience with React and TypeScript. ... and services written in python but also switch context to build the user‑facing web flows within the React‑based
Senior Engineering Manager
- Smartly.io
- helsinki
- September 3
The main technologies used by the team include: React for selected UI workflows Deep integrations
Senior Fullstack Engineer (TikTok) New Helsinki, Uusimaa, Finland
- Smartly
- helsinki
- August 28
Frontend: React, TypeScript What you’ll do Own significant TikTok product capabilities end-to-end ... and operating production-grade applications across the stack, ideally with TypeScript, Node.js, and React
Senior Software Engineer (Identity and Access Management system)
- Smartly.io
- helsinki
- June 14
backend development skills with NodeJS & TypeScript with a good understanding of frontend technologies (React
Software Developer, Sokos.Fi
- S-ryhmä
- helsinki
- July 24
Technology Stack Frontend: TypeScript, React, Next.js, OpenNext, Contentful Backend: Node.js AWS services
Senior Engineering Manager
- Smartly
- helsinki
- July 17
technologies used by the team include: Node.js, TypeScript, PostgreSQL, Kafka, Redis, Kubernetes React
Software Engineer, Large-Scale Data Systems
- Smartly.io
- helsinki
- June 7
backend written in Ruby on Rails, and we own small parts of the frontend written in TypeScript and React
Senior Engineering Manager
- Smartlyio
- helsinki
- July 6
technologies used by the team include: Node.js, TypeScript, PostgreSQL, Kafka, Redis, Kubernetes React
















