Senior Software Engineer (L3 Support)

Role Summary

We are looking for a highly skilled Senior Software Engineer with strong development capabilities who can handle complex production issues, perform deep debugging, and contribute to backend development. This role will function as a hybrid Development + Production Support position, requiring strong system understanding and problem-solving skills.

Key Responsibilities

Development Responsibilities Design and develop scalable backend services using Node.js Optimize APIs for performance and reliability Refactor code to improve maintainability and scalability Implement system improvements based on production learnings Participate in architecture discussions and technical planning ? Production Support (L3) Handle complex L3 incidents, RCA, and critical production issues Perform deep debugging across distributed systems Analyze logs, API failures, DB queries, memory leaks, performance bottlenecks Coordinate with DevOps, QA, and product teams during incidents Own root cause analysis and implement permanent fixes Improve observability, monitoring, and alerting mechanisms Requirements Required Skills & Experience 6+ years of experience in backend development and production support Experience working on scalable, high-traffic systems Strong debugging skills across: Application layer Database layer API integrations Async systems / queues Good understanding of: REST APIs Microservices architecture Caching (Redis preferred) SQL databases Experience in handling production incidents Strong analytical and problem-solving skills Good to Have Strong hands-on experience in Node.

js & JavaScript Experience with cloud platforms (AWS preferred) Experience with logging/monitoring tools (ELK, Grafana, etc.) Exposure to containerized environments (Docker/Kubernetes) Knowledge of CI/CD pipelines Behavioral Expectations Ownership mindset Clear communication during issue resolution Strong system thinking approach Proactive in identifying potential system risks Ideal Candidate Profile ✔ Has worked in product-based or scalable startup environments ✔ Has handled high-severity production issues ✔ Can move between debugging and writing production-grade code ✔ Understands end-to-end system architecture