Senior Backend Developer (.NET)

dcg GmbHWarszawanofluffjobsпубликувана на 02.10.2026 г.
Задължително:JavaDockerKubernetesCloudFrontendBackendAgileCI/CD

Private medical care

Co-financing for the sports card

Constant support of dedicated consultant

Employee referral program

Daily tasks

  • Design, develop, and maintain backend services and RESTful APIs using .NET
  • Build scalable, reliable, and high-performance backend solutions for client-facing applications
  • Design data models and integrate services with relational and NoSQL databases
  • Collaborate with front-end developers to define API contracts and ensure seamless system integration
  • Develop and deploy applications in containerized environments using Docker, Kubernetes, or OpenShift
  • Apply secure coding standards and software engineering best practices
  • Create and maintain unit and integration tests
  • Integrate applications with CI/CD pipelines and automated deployment processes
  • Monitor and optimize application performance, scalability, and reliability
  • Troubleshoot technical and production issues and support their resolution
  • Participate in technical design discussions, sprint planning, code reviews, and other Agile activities

Requirements

8+ years of professional backend software development experience

Strong commercial experience with .NET

Hands-on experience with .NET Core / modern .NET

Strong experience designing and developing REST APIs

Experience with Docker and container orchestration platforms such as Kubernetes or OpenShift

Good knowledge of SQL and relational databases, including data modelling and query optimization

Experience with automated testing, including unit and integration testing

Familiarity with CI/CD pipelines and modern software delivery practices

Strong understanding of object-oriented programming and software engineering principles

Ability to work effectively in cross-functional Agile development teams

Fluency in English, both written and spoken Nice to have:

Experience with event-driven or messaging architectures, e.g. Kafka or MQ Experience with cloud-native application development Knowledge of NoSQL databases Experience within financial services, fund administration, or transfer agency environments

Must have: .NET, SQL, OpenShift, CI/CD, REST API

Nice to have: Kafka, NoSQL