Senior Node.js Engineer
- eG Innovations
- 3 - 8 years
- Chennai
- 5 months ago
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Job Description
Careers - Current Openings Senior Node.js Engineer Senior Node.js Engineer Role Overview
We are looking for a hands-on coding Senior Node.js Engineer with strong backend development skills and a keen interest in application performance, monitoring, and observability. The role involves building high-performance Node.js 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 Node.js 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 Node.js 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 Node.js ecosystem updates, performance tuning techniques, and monitoring tools.
Must-Have Skills
- 3+ years of hands-on Node.js development experience (Express, Koa, NestJS, Fastify, or similar).
- Deep understanding of Node.js internals event loop, async programming, promises, streams, garbage collection.
- Experience with debugging and profiling Node.js 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 Node.js or distributed tracing concepts.
- Experience with undici, WebSocket s, or message brokers (Kafka, RabbitMQ).
- Knowledge of Docker/Kubernetes and deploying Node.js 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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Job Classification
Industry: IT Services & ConsultingFunctional Area / Department: Engineering - Software & QARole Category: Quality Assurance and TestingRole: Blockchain Quality Assurance EngineerEmployement Type: Full timeContact Details:
Company: eG InnovationsLocation(s): Chennai+ View Contact
Keyskills: Performance tuning Backend Linux Coding Postgresql MySQL Debugging Javascript Middleware Monitoring
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