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(Senior) Backend Developer (m/w/d)

Charlottenburg, Berlin🌐 Remote💼 Full-time🗓 2026-05-12 → 2026-08-15

Core

Developing scalable, secure backend services and RESTful APIs for real estate valuation software.

Role type

Senior Backend Developer (.NET)

Builds

Scalable microservices and authentication systems for property valuation platforms.

Domain

Real Estate Technology / Fintech

Deliverable

production ML models | product features | infrastructure

Required skills

C#, .NET 8, ASP.NET Core, RESTful API design, OAuth/OpenID Connect/JWT, architectural patterns, unit and integration testing, performance analysis, security implementation

Preferred skills

Refactoring, external interface integration, technical documentation, agile collaboration

Technologies

.NET 8, ASP.NET Core, C#, OAuth, OpenID Connect, JWT

Responsibilities

Develop RESTful APIs with C# and .NET 8, implement modern authentication procedures, apply architectural and design patterns, ensure resilient and performant services, conduct unit and integration tests, analyze performance and security topics, create technical concepts and documentation

Seniority

Senior, hands-on IC

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