Senior Backend Engineer (.NET)

About the role

A company is looking for a Senior Backend Engineer to build and maintain the services that support its product operations. You will own backend features and production issues across management platforms, configuration, integrations and operational workflows. The role calls for strong .NET engineering skills, sound technical judgement and a focus on reliability under high traffic.

Key responsibilities

• Design, develop and maintain backend services and APIs for product operations and internal management platforms.
• Build reliable workflows for configuration, operational controls, data processing and platform integrations.
• Own technical design and delivery of complex features, including code reviews, testing, documentation and production rollout.
• Improve service performance, database queries, concurrency handling and availability.
• Investigate production incidents, find root causes and implement lasting fixes.
• Use Vibe Coding practices and AI coding tools to boost individual and team productivity, and explore AI-driven innovations in development workflows.
• Work with product, frontend, QA and DevOps teams to deliver and support backend features.
• Mentor junior engineers and help improve engineering standards and system maintainability.

Required profile

• Bachelor's degree in Computer Science, Software Engineering or a related field, or equivalent practical experience.
• At least 5 years of hands-on backend development, including ownership of production services.
• Clear communication skills and the ability to make technical decisions across teams.

Required skills

• Strong practical experience with C# and .NET Core / .NET.
• Solid understanding of RESTful API design, HTTP, service integrations and backend system design.
• Relational databases (MySQL, PostgreSQL or SQL Server) with SQL optimisation; NoSQL familiarity is an advantage.
• Ability to write clean, maintainable, thread-safe code designed for data consistency, scalability and fault tolerance.
• Experience diagnosing performance issues and resolving live incidents.
• Vibe Coding experience and proficiency with AI coding tools such as GitHub Copilot, Cursor, ChatGPT and Claude, including prompt engineering and reviewing AI-generated code.
• Preferred: high-traffic platform experience, Docker, Kubernetes, microservices, CI/CD pipelines (GitHub Actions, GitLab CI, Azure DevOps) and open-source contributions.