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April 10, 2026

Lead / Senior Backend Engineer (.NET / Azure)

Senior • Remote

Warsaw, Poland

\We are seeking a Dev Lead / Senior Backend Engineer specialized in .NET and Azure to join a premium fashion retailer's internal tech team. This role is vital for ensuring the scalability, maintainability, and coherence of a broad system landscape. The ideal candidate will possess strong backend development skills, particularly in C# and modern .NET versions, and have practical experience in setting up event-driven architectures and developing applications on Microsoft Azure. The Dev Lead will contribute both as a hands-on developer and as a technical leader, mentoring team members and driving engineering quality.

Main Responsibilities

The Consultant will work as a hands-on engineer while also supporting the technical direction of the team.

  • Developing backend services and integrations

  • Reviewing pull requests and contributing to code quality

  • Supporting architectural discussions with the Head of Tech and the team

  • Ensuring the overall development landscape remains coherent and scalable

  • Contributing to system design decisions and actively engaging in technical discussions

  • Supporting developers with architectural and technical queries

  • Participating in technical discovery and solution design for new initiatives

  • Driving improvements in development practices

  • Exploring AI-assisted development tools for practical usage

  • Interfacing with third-party SaaS vendors for integration efforts

Key Requirements

  • Strong backend development experience with C# / .NET

  • Experience with .NET 8 or modern .NET versions

  • Experience developing and operating applications on Microsoft Azure

  • Practical experience designing and building event-driven systems

  • Experience with microservices architectures

  • Experience with Azure messaging patterns (queues, topics, event-based integrations)

  • Experience with CI/CD pipelines (Azure DevOps, YAML pipelines)

  • Comfortable working remotely in a setup primarily on site

Nice to Have

  • Experience with Cosmos DB

  • Experience working with integration platforms

  • Experience building integration-heavy systems

  • Strong understanding of scalable distributed systems

  • Ability to communicate system architecture clearly to stakeholders

  • Experience with e-commerce systems

  • Experience in retail environments