Senior Backend Engineer

Responsibilities

• Backend Service Development : Design, develop, and maintain backend services and APIs supporting product operations and internal management platforms.
• Operational Workflow Engineering : Build reliable workflows for configuration, operational controls, data processing, and platform integrations.
• Technical Ownership : Own technical design and delivery for complex features, including code reviews, testing, documentation, and production rollout.
• Performance & Concurrency Optimization : Improve service performance, database queries, concurrency handling, and availability.
• Production Incident Management : Investigate production incidents, identify root causes, and implement lasting fixes.
• AI-Assisted Development : Leverage Vibe Coding practices and AI coding tools to boost individual and team productivity, and explore AI-driven innovations in development workflows.
• Cross-Functional Collaboration : Work with product, frontend, QA, and DevOps teams to deliver and support backend features.
• Mentorship & Standards : Mentor junior engineers and help improve engineering standards and system maintainability.

Required Qualifications and Skills

• 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 experience, including ownership of production services.
• Core Programming Language : Strong practical experience with C# and .NET Core / .NET.
• API Design : Solid understanding of RESTful API design, HTTP, service integrations, and backend system design.
• Databases : Experience with relational databases (MySQL, PostgreSQL, or SQL Server), including SQL optimization; familiarity with NoSQL databases is an advantage.
• Code Quality : Ability to write clean, maintainable, thread-safe code and design for data consistency, scalability, and fault tolerance.
• Production Operations : Experience diagnosing performance issues and resolving incidents in live systems.
• Communication : Clear communication skills and the ability to make technical decisions while working across teams.

Vibe Coding & AI-Assisted Development

• Practical Vibe Coding experience, proficient in using AI coding tools (e.g., GitHub Copilot, Cursor, ChatGPT, Claude) to complete development tasks efficiently.
• Skilled in Prompt Engineering to guide AI in generating high-quality code, with the ability to effectively review and refine AI-generated output.
• Familiar with AI-assisted development workflows, integrating AI tools into coding, debugging, testing, and documentation phases to boost productivity.
• Strong judgment on the quality of AI-generated code, understanding its limitations and ensuring code security and maintainability.

Preferred Skills

• Experience with high-traffic digital platforms or operational systems.
• Familiarity with Docker, Kubernetes, microservices, distributed systems, and monitoring tools.
• Experience building internal tools, configuration systems, or integrations with external platforms.
• CI/CD pipeline experience (GitHub Actions, GitLab CI, Azure DevOps, or similar).
• Experience scaling Vibe Coding / AI tool adoption to the team level.
• Open-source contributions or active technical blog writing.