Senior Software Engineer (L3 Support)

Role Summary

We are looking for a highly skilled Senior Software Engineerwith 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 Supportposition, 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 experiencein 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