Role Overview We are seeking a Senior Staff Backend Engineer to provide technical leadership and drive the architecture of a high-load backend monolith. You will define standards, guide teams, and make critical design decisions across backend systems.
- Lead architecture design for high-load monolithic backend systems
- Define best practices for C# / .NET, API design, performance, and security
- Drive adoption of AI-assisted engineering practices, including use of coding agents for development and testing
- Define guidelines for safe and effective use of AI-generated code
- Oversee development of REST and SOAP services
- Drive performance tuning and scalability within a monolithic architecture
- Mentor engineers in both core engineering and AI-assisted development practices
- Review system design, code, and database architecture
- Own system reliability, scalability, and resilience
- Partner with product and engineering leadership on technical strategy
- Lead incident analysis and long-term improvements
- Deep expertise in C# / .NET ecosystem




- Proven experience working with high-load systems
- Strong knowledge of REST API design (scalability, versioning, security)
- SOAP / legacy integrations
- Advanced experience with MSSQL: Performance tuning at scale
- Transaction optimization
- Blocking, locking, and concurrency handling
- Strong experience designing and evolving large monolithic systems
- Expertise in performance optimization, concurrency, and fault tolerance
- Deep understanding of application security, including TLS/SSL, secure communication, certificate handling
- Secure coding practices
- Common vulnerabilities (OWASP Top 10)
- Threat modeling and mitigation strategies
- Experience identifying and preventing vulnerabilities (injection, auth flaws, data leaks, etc.)
- Solid experience using and evaluating AI development tools and agents: Generating production-quality code and tests
- Reviewing and governing AI output
- Establishing best practices for team

📌 Lead Engineer (Bengaluru)
🏢 MSys Tech India
📍 Bengaluru