296 backend developer English-speaking jobs in Uusimaa
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Senior Software Engineer, DataFlow (Android)
- ŌURA
- helsinki
- June 12
Mentoring skill to increase developer productivity. ... Backend: Python, Rust, AWS. Misc: TypeScript. ... Experience with HTTP API design; potential to work on both backend APIs and Android integration.
Software Engineer - Frontend oriented
- RND Works
- vantaa
- August 28
Comfortable dabbling in backend work? Even better. We don’t expect you to check every box. ... We’re looking for a frontend oriented developer who enjoys turning ideas into beautiful, functional interfaces
Full Stack Developer
- Cityvarasto Oyj
- vantaa
- August 20
Cityvarasto is looking for an experienced and pragmatic software developer to strengthen our development ... A diverse role combining backend, ERP and web development working on business-critical systems with
IoT Cloud Lead Developer
- Vensum Power
- espoo
- July 27
We’re looking for an IoT Cloud Lead Developer to revolutionize power electronics with cutting-edge solutions ... Strong backend development experience building APIs, microservices, and integrations in Python, TypeScript
Senior Software Engineer, Meta
- Smartly.io
- helsinki
- July 27
What You Will Do Design, build, and maintain backend services and full-stack product capabilities at ... What We Are Looking For Strong experience building and shipping production software as a backend or ... Explore practical ways to use AI-enabled tools to improve engineering workflows, developer productivity ... emerging AI capabilities and willingness to explore opportunities to improve products, workflows, and developer
Senior Fullstack Engineer
- Femtech Insider Ltd.
- helsinki
- July 20
Develop High-Performance Services: Create high-availability, low-latency backend services to deliver ... Robust Backend Skills: Strong proficiency in building production-grade APIs and services with Python ... Passion for DevX: A genuine interest in improving developer productivity through easy-to-use tooling ... engineering teams (Mobile, Cloud, Firmware, etc.) to translate complex internal needs into delightful developer
Senior React Native Developer
- Yousician
- helsinki
- July 29
An experienced developer with hands-on experience building apps with Expo and React Native . ... Work across the stack when needed - from frontend logic to backend APIs and AI integrations. ... If you enjoy crafting smooth, responsive interfaces, aren’t afraid to dive into backend code when needed ... small, senior team working end-to-end on this vision — from user experience and animation polish to backend
Backend Engineer
- Aiven
- helsinki
- August 9
The Role We're looking for a Backend Engineer to join our small, focused ClickHouse team. ... But what matters most is strong backend fundamentals and a genuine interest in databases and distributed ... What You’ll Do Design, build, and maintain backend services in Python (FastAPI, asyncio, psycopg2) that
Senior Fullstack Developer
- Blueprint Genetics Oy
- espoo
- August 16
React, Next.js or Angular) and a statically-typed backend language (e.g. ... Are you a Senior Fullstack Developer who thrives on AI-assisted and agentic engineering practices, and ... and constant strive for state-of-the-art software solutions, we are looking for a Senior Fullstack Developer ... Engineering or a related technical field A minimum of 5 years of experience working as a Fullstack developer ... and verifiable, especially valuable in a regulated setting A track record of quickly adopting new AI developer
Senior Android Engineer, Health Intelligence
- United States Digital Space LLC
- helsinki
- September 3
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
Software development
- Inderes
- helsinki
- August 23
Technologies we use: Frontend: React, Typescript, Next.js, Tailwind CSS Backend: Node.js, Firestore ... We are looking for a skilled full stack developer to join our IR Software team! ... The Team The IR Software Team is one of three software developer teams, at Inderes, consisting of 4
Junior Software Engineer
- Fortum Oyj
- espoo
- August 20
Basic experience with client‑server architectures, backend API development, and system integration solutions ... About the role You are a passionate software developer with a drive for impactful solutions. ... About you We’re seeking a proactive and independent developer with strong communication skills and a
Senior Backend Engineer - Global Marts
- Wolt - English
- helsinki
- September 3
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
Senior Backend Engineer (Node.js/TypeScript, AWS)
- CUJO
- helsinki
- August 23
Build RESTful APIstodevelop backend services around OTM productfunctionality,integrate with existing
Software Backend Engineer, SaaS product (Python) - Greenstep Espoo/Vantaa
- Greenstep
- espoo
- August 22
As a Backend Engineer, you'll build the AI and agent layer that makes that possible: designing backend ... Required skills 3+ years professional Python backend development, including async programming. ... What We're Looking For You bring 3+ years of Python backend experience and genuine interest in AI agent ... You will Design and develop backend services and REST APIs in Python/FastAPI, including agentic workflows
Senior Backend Engineer (Node.js/TypeScript, AWS)
- CUJO AI®
- espoo
- August 22
Build RESTful APIstodevelop backend services around OTM productfunctionality,integrate with existing ... Build RESTful APIstodevelop backend services around OTM productfunctionality,integrate with existing
Senior Backend Engineer - Pricing & Invoicing Platform
- Virta Ltd
- helsinki
- July 19
Qualifications Deep, demonstrated experience building production backend services. ... Own the technical direction for the team’s backend services, including data modelling, service boundaries
Developer Experience Engineer
- Mercur Solutions AB
- espoo
- September 4
about engineering effectiveness, developer experience, developer joy, and software delivery capabilities ... to create a world‑class developer experience. ... Measure and improve engineering effectiveness using data and developer feedback. ... Developer Experience Engineer Team: Engineering/Development - Location: Stockholm OR Espoo OR Riga ... Build and evolve shared AI capabilities, engineering tools, and developer platforms.
Senior Software Engineer (Backend)
- Zevoy
- helsinki
- August 28
This is a backend-first role. ... The Role We are looking for a Senior Backend Engineer to take ownership of the systems that move real ... Our platform combines smart Visa payment cards, an intuitive mobile app, and a robust backend that integrates ... of Go (or a comparable statically-typed backend language) and solid SQL/relational database fundamentals ... Key Responsibilities End-to-End System Ownership: Drive backend features from architecture design through
Senior Lead - Developer Community Growth
- Qt Group
- espoo
- September 5
What You Bring To The Table 5+ years in developer relations, community management, or developer marketing ... Experience growing developer communities in emerging language ecosystems. ... Success looks like a developer base that keeps growing and keeps on innovating. ... About The Role Qt's Developer Community team keeps over a million developers actively building with ... As Senior Lead - Developer Community Growth, you'll own how community fits into Qt's Go-To-Market (GTM














