.NET Developer (with AZURE)
We are looking for a Senior .NET Developer to support the backend development of a fast-scaling smart-shopping platform used by millions of users. The role focuses on building high-performance APIs, microservices, and Azure-based cloud components powering cashback, loyalty, and e-commerce functionalities in a modern fintech ecosystem.
Responsibilities:
- Develop and maintain backend services using .NET 8 and C#
- Design and build RESTful APIs and microservices for high-traffic use cases
- Integrate systems with third-party APIs and data providers
- Work with Azure cloud services (App Services, Azure Functions, AKS, Blob Storage, Cosmos DB, etc.)
- Implement unit and integration tests to ensure code quality and reliability
- Work with Azure DevOps, Docker, and Git for CI/CD and version control
- Collaborate with DevOps to optimise deployment pipelines and infrastructure
- Participate in code reviews, architecture decisions, and sprint planning
- Maintain documentation of backend architecture and API specifications
Requirements
- Minimum 4–5 years of experience in backend development with C# and .NET (latest version .NET 8 preferred)
- Proven experience designing scalable and secure REST APIs
- Strong knowledge of Azure Cloud and microservices architecture
- Experience with SQL (MS SQL Server, PostgreSQL) and ORM tools such as Entity Framework Core or Dapper
- Familiarity with Azure DevOps, Docker containers, Git, and CI/CD pipelines
- Good understanding of application security, error handling, and performance optimisation
- Ability to work in Agile/Scrum teams and communicate with business and technical stakeholders
Nice to Have:
- Experience with e-commerce, affiliate marketing, or cashback platforms
- Exposure to NoSQL solutions like Cosmos DB or MongoDB
- Experience with Event-Driven Architecture, e.g. Azure Event Grid or Kafka
- Familiarity with front-end technologies (React, Angular) for collaboration purposes
Benefits
- Work on a large-scale, high-impact product with strong market presence
- Be part of a modern .NET development environment in a cloud-first organisation
- Collaborate in a stable, secure fintech setting with the speed of a startup
- Enjoy flexible working and ownership of your development responsibilities
- Solid, competitive salary
- Comprehensive healthcare
- Flexible working model (1 day/month on'site in Warsaw)