Full‑Stack Software Developer – Helsinki

About the role

Reaktor's award‑winning tech community is looking for full‑stack developers to join us in Helsinki. If you thrive across the full software development cycle, enjoy solving human problems with a holistic approach, and like a low‑hierarchy environment, you could be the right fit.

Key responsibilities

• Collaborate with client tech and business teams to select appropriate technologies.
• Implement new features affecting front‑end applications, back‑end servers, databases, and infrastructure.
• Provide world‑class technical expertise to clients and internal teams.
• Perform debugging, design, and contribute to architecture creation.

Required profile

• Curious‑minded developer comfortable with both back‑end and front‑end development.
• Experience across backend, frontend, ops, and consulting modalities.
• Several years of experience with common server‑side languages.
• Strong knowledge of at least one client‑side language and framework.
• Skills to build backend services and CI/CD pipelines.
• Foundational DevOps knowledge, including CI, automated deployment, and test automation.
• Familiarity with databases such as PostgreSQL.
• Comfort engaging with client stakeholders.
• Fluent verbal and written English; Finnish is a plus.

Required skills

• TypeScript / JavaScript
• Node.js
• Java, Scala, Kotlin, Clojure, Python
• React, React‑Native, Swift
• CI/CD pipelines
• DevOps practices
• Continuous Integration, automated deployment, test automation
• PostgreSQL

What we offer

• Freedom to choose approaches, technologies, and methodologies with clients.
• Strong community support and considerate, experienced teammates.
• Sustainable work‑life balance with benefits such as free moving day, car‑share, sick‑child care, and office space for private events.
• Professional growth through internal training, community events, and extended studies like Cloud Academy.
• Access to 300+ hobby clubs (winter swimming, running, knitting, archery) supported by the company.