Software Engineer, Defence & Security - Reaktor - Remote - Global

Reaktor’s tech community is looking for an experienced Software Engineer to join our specialized Defense & Security Business Unit in Helsinki. The role involves working across modern web applications, backend services, and production systems, supporting clients in digital product, platform, and secure service domains. Tasks include building and improving web applications, backend services, APIs, data models, and collaborating with client teams. Candidates should have experience with frontend technologies like TypeScript, React, and backend technologies such as Node.js, Java, Kotlin, Scala, Rust, or Python. Security clearance eligibility, Finnish citizenship, and fluency in Finnish and English are required. The position is onsite in Helsinki.