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Overview

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Full Stack Developer, Defence & Security - Reaktor - Helsinki, Finland

Software Engineer

Salary Context: Software Engineer
Market Average: Software Engineer
€174 - €20,834
Estimated Offer
€6,184 - €16,711
€174€20,834
per month
Location
Helsinki
Remoteness
Onsite
Estimated Expiry
February 10, 2026
Job Type
Full-time
Posted: January 6, 2026
Required:
EnglishFinnish

Job Description

Reaktor’s Defence & Security Unit is seeking experienced software engineers for complex, mission-critical projects in Helsinki. The role involves full-stack development, client collaboration, and infrastructure work, requiring broad technical skills and Finnish citizenship.

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Company Information

Data shown is based on historical job postings from our database.

Job Details

Requirements

  • Experience in software development (Back End, Front End, DevOps)
  • Knowledge of server-side languages (TypeScript/JavaScript, Node.js, Java, Python)
  • Experience with React and client-side frameworks
  • Knowledge of CI/CD pipelines and DevOps practices
  • Database experience (e.g., PostgreSQL)
  • Fluency in Finnish and English

Responsibilities

  • Develop full-stack solutions for security projects
  • Collaborate with clients and internal teams
  • Implement new features and infrastructure
  • Debug and design system architecture

Field:

Technology

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7 days agoPartial Schema