Backend Engineer

Backend Engineer role focused on owning the backend stack end-to-end, including domain logic, data modeling, and security. Responsibilities include designing the data model with migration-based schema management, multi-tenant architecture isolation, implementing application-layer security (authorization, auditing, authentication and tenant scoping), building robust APIs and interfaces, and contributing to observability through instrumentation. The candidate will work in a small, AI-driven product team, take ownership of the platform backend, and collaborate with frontend on API design and integration. Required skills include strong C# and ASP.NET Core experience, EF Core relational database expertise, multi-tenant architecture knowledge, application security, test-first mindset with xUnit, and proficiency in Finnish and English. Nice-to-have: IT asset management, ITSM, e-commerce/order management background, PostgreSQL depth, OpenTelemetry, and some React collaboration experience. Salary range is 3,800–4,800 EUR per month with hybrid remote options and comprehensive benefits.

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