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eClear | borderfree

Senior C# Backend Developer (m/w/d) - Leidenschaft trifft auf Code

Standort Berlin
  • Neu
  • Veröffentlicht am 22.05.2026
  • Festanstellung
Your role
  • Development, enhancement, and maintenance of backend services with a focus on C# and .NET (Core)
  • Analysis, adoption, and targeted optimization of existing external solutions
  • Identification of refactoring potential as well as structured and low-risk modernization of existing systems while maintaining operational stability
  • Ensuring high quality standards with regard to code quality, performance, and maintainability
  • Design and implementation of service integrations via REST APIs as well as event-driven architectures (e.g., Kafka, SQS)
  • Close and structured collaboration with Quality Assurance (QA), DevOps, and other backend teams
  • Active participation in the design, implementation, and optimization of CI/CD pipelines as well as deployments in the AWS Cloud
  • Ensuring software quality through the use of unit tests and integration tests (e.g., with xUnit or NUnit) as well as common mocking frameworks
  • Strong sense of responsibility (“ownership”) and the ability to collaborate effectively in distributed, international teams.
Your profile
  • Several years of experience (5+ years) with C# and .NET Core, as well as practical experience in running applications on Linux (Docker/Kubernetes)
  • Solid expertise in microservices architectures, API design, cloud technologies (ideally AWS), as well as CI/CD and DevOps practices
  • Deep understanding of CLR, async/await, memory management, and performance profiling
  • Strong database knowledge in PostgreSQL (query optimization, schema design, migrations)
  • Experience with observability (logging, tracing, metrics – e.g., OpenTelemetry)
  • Strong quality awareness through unit and integration testing (xUnit/NUnit, mocking)
  • Independent working style, team spirit, and enjoyment of working in distributed teams
  • Language skills: German (B2–C1) and English (C1)
  • Ideally, experience with event-driven or message-driven architectures
  • Experience with Java / Spring Boot is considered a plus
  • Additional advantage: knowledge of customs, tax, or compliance domains.

We consider all qualified applicants for employment at eClear, regardless of race or national origin, religion or belief, gender or gender identity, sexual orientation, age or marital status. In the case of equal suitability, applicants with a severe disability will be given preference.

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Standort

eClear | borderfree, Berlin