Senior Backend Developer (.NET) @ DCG
Summary
Design, build, and maintain backend services and RESTful APIs using .NET, deploying them in containerized environments (Docker, Kubernetes/OpenShift) and supporting CI/CD, automated testing, and performance tuning for client-facing applications. Requires 8+ years of backend experience, strong SQL, and fluent English; based in Warsaw.
- Private medical care
- Co-financing for the sports card
- Constant support of dedicated consultant
- Employee referral program
- 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
- Private medical care
- Co-financing for the sports card
- Constant support of dedicated consultant
- Employee referral program