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.