Golang and Node JS developer

Kumaran Systems; Chennai; Hybrid; INR 1,500,000 - 2,100,000; Full time

Job summary

Kumaran Systems is seeking a Senior Software Engineer in Chennai to design, build, and optimize scalable backend services using GoLang and Node.js. You will work with API contracts and Spec Kit practices to ensure robust interfaces before development begins.

You will lead microservices architecture, drive performance improvements, participate in CI/CD, and mentor junior engineers while collaborating across product, QA, and frontend teams.

Qualifications

• Hands-on backend development with GoLang and Node.js.
• Experience implementing microservices and API contracts.
• Familiarity with CI/CD pipelines and automated testing.

Responsibilities

• Design, develop and maintain scalable backend services and APIs in GoLang/Node.js.
• Apply Spec-Driven Development to define API contracts before coding.
• Build and optimize distributed microservices for performance and reliability.
• Write clean, documented code and perform thorough code reviews.
• Contribute to CI/CD pipelines and deployment strategies.
• Profile and optimize services for latency and throughput.
• Collaborate with product, QA, and frontend teams; mentor juniors.
• Document APIs, services, and system architecture.

Skills

GoLang

Node.js

Spec-Driven Development

Microservices

CI/CD

DevOps

Performance optimization

Job description

Role & responsibilities

We are seeking a highly skilled Senior Software Engineer with 610 years of experience to join our engineering team. The ideal candidate will bring strong hands-on expertise in GoLang and Node.js, with a passion for building scalable, high-performance backend systems. Experience with Spec-Driven Development (SDD) / Spec Kit methodologies will be a significant advantage.

Job Description

Key Responsibilities

• Design & Development: Architect, develop, and maintain scalable backend services and APIs using GoLang and Node.js.
• Spec-Driven Development: Leverage SDD / Spec Kit practices to define, validate, and implement API contracts and service specifications before development begins.
• Microservices Architecture: Build and optimize distributed microservices with a focus on performance, reliability, and fault tolerance.
• Code Quality: Write clean, well-documented, and testable code; conduct thorough code reviews and enforce engineering best practices.
• CI/CD & DevOps: Collaborate on CI/CD pipelines, automated testing frameworks, and deployment strategies for seamless delivery.
• Performance Optimization: Profile, benchmark, and optimize services for latency, throughput, and resource efficiency.
• Collaboration: Work closely with product managers, architects, QA engineers, and frontend teams to translate business requirements into technical solutions.
• Mentorship: Guide and mentor junior and mid-level developers, fostering a culture of continuous learning and technical excellence.
• Documentation: Maintain comprehensive technical documentation for APIs, services, and system architecture.