Senior Engineer

16 hours ago

Chennai, Tamil Nadu, India eG Innovations Full time ₹ 15,00,000 - ₹ 25,00,000 per year

Role Overview

We are looking for a hands-on coding Senior Engineer with strong backend development skills and a keen interest in application performance, monitoring, and observability. The role involves building high-performance services while contributing to advanced monitoring capabilities such as tracing, metrics, and error visibility.

You will work on designing resilient, low-latency services while ensuring they are observable, debuggable, and production-ready.

Responsibilities

  • Design and develop scalable applications with a focus on reliability and performance.

  • Optimize applications for event loop efficiency, memory usage, and throughput.

  • Implement logging, metrics, and tracing best practices within services.

  • Work with APIs, databases, and message queues to build high-performance integrations.

  • Troubleshoot production issues such as CPU bottlenecks, memory leaks, async/await pitfalls, and unhandled rejections.

  • Collaborate with DevOps/APM teams to ensure applications are fully observable.

  • Stay up to date with ecosystem updates, performance tuning techniques, and monitoring tools.

Must-Have Skills

  • 3+ years of hands-on development experience (Express, Koa, NestJS, Fastify, or similar).
  • Deep understanding of internals � event loop, async programming, promises, streams, garbage collection.
  • Experience with debugging and profiling apps (CPU profiling, heap dumps, async hooks).
  • Strong skills in JavaScript/TypeScript coding, modular design, and testing.
  • Familiarity with monitoring/observability tools (APM, metrics, tracing, logging) such as New Relic, Datadog, Dynatrace, or OpenTelemetry.
  • Knowledge of database drivers and performance tuning (MongoDB, PostgreSQL, MySQL, Redis).
  • Solid understanding of REST APIs, gRPC, or GraphQL and their performance implications.

Nice-to-Have Skills

  • Exposure to OpenTelemetry APIs for or distributed tracing concepts.
  • Experience with undici, WebSocket�s, or message brokers (Kafka, RabbitMQ).
  • Knowledge of Docker/Kubernetes and deploying apps in cloud-native environments.
  • Familiarity with Linux performance tools (perf, eBPF, flame graphs).
  • Hands-on experience building high-performance SDKs, middleware, or monitoring libraries.
  • Interest in APM/observability domain and performance engineering.

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