Senior Full-Stack Engineer - AI-Driven Platform Modernizing

Sympa

📍 espoo, uusimaa, Finland 💼 Full-time 🕒 Posted June 14, 2026

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Job Description

Sympa is seeking a Senior Full Stack Developer to influence technology decisions and modernize a large-scale SaaS platform in Espoo or Lahti, Finland. This hybrid role involves designing scalable systems and mentoring other developers within a collaborative environment. 
The ideal candidate will have 8+ years of experience, strong backend expertise with C#/.NET, and familiarity with modern front-end technologies like React. Join us to shape how we leverage AI to enhance software development. 
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Job Details

Location espoo, uusimaa
Job Type Full-time
Category Software Development
Posted Date June 14, 2026
Application Deadline July 24, 2026