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