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Backend Developer

3 weeks ago

Kraków, Lesser Poland, Czech Republic CQUE Full time
Requirements:
  • Minimum 3+ years (L2) or 5+ years (L3) of experience in backend development for web or SaaS applications.
  • Strong skills in:
  • C#, .NET6+, ASP.NET, Blazor, MVC, Entity Framework, SQL Server
  • Hands-on experience with AWS cloud services.
  • Solid understanding of distributed systems and cloud-native architectures.
  • Ability to write scalable, maintainable, and tested backend code.
Nice to Have:
  • Experience with AWS Lambda, API Gateway, DynamoDB, ElasticSearch, Terraform (IaC).
  • Knowledge of GraphQL APIs and advanced microservices patterns.
  • Familiarity with CI/CD pipelines (GitHub Actions, TeamCity), Docker, and Kubernetes.
  • Experience with monitoring and observability tools.
  • Background in building backend services for React frontend applications.
Soft Skills:
  • Strong communication and collaboration skills across distributed teams.
  • Ability to prioritize tasks and work with a strong sense of urgency.
  • Problem-solving mindset and adaptability to a dynamic environment.
  • Focus on delivering backend systems that meet real user needs.
About the Client:

Our client is an international technology company developing advanced digital solutions for the creative industries.

They specialize in delivering modern SaaS products used by professionals across dynamic, project-based sectors.

You will join a team at a very exciting stage — starting work on a new greenfield project in a modern technical environment built from the ground up.

This is a high-impact, decision-making role, where your ideas and technical leadership will directly shape the project's direction and success.

The company fosters an open, collaborative, and fast-paced environment, ideal for engineers who want to grow their careers and see the tangible effects of their work.

This is a unique opportunity to become part of a newly forming engineering team that will build and grow a technology hub in Poland / Kraków.

The position offers strong professional and personal development, real decisiveness in your work, and the chance to actively influence both the product and technical architecture.

The role is designed as a long-term, stable position with full remote work flexibility, requiring only occasional visits to the Kraków head office for key meetings and workshops.

,[Design, develop, and maintain scalable backend services using C# and .NET6+., Build and optimize REST APIs and microservices architectures., Work with AWS services (Lambda, API Gateway, DynamoDB, MSSQL)., Collaborate closely with frontend developers (React) and product teams., Write clean, testable, and well-documented code., Develop and maintain unit, integration, and end-to-end tests., Ensure high system performance, availability, and security., Participate in code reviews, planning sessions, and Agile ceremonies., Identify and resolve performance bottlenecks., Stay updated with new technologies and suggest improvements.] Requirements: L2, SaaS, C#, .NET, Blazor, MVC, SQL Server, AWS, Cloud, AWS Lambda, API, Gateway, AWS DynamoDB, Elasticsearch, Terraform, IaC, GraphQL, Microservices, CD pipelines, GitHub Actions, TeamCity, Docker, Kubernetes, React