Senior Node.js Backend Engineer (6+ Years Exp)

Winzons; India; On-site; INR 2,500,000 - 4,500,000; Full time

Job summary

Winzons is seeking a Senior Backend Engineer to design and build the next-generation credit card platform. You will develop scalable backend systems, implement microservices, and deliver robust APIs, collaborating with product, design, and engineering teams.

You will mentor junior developers, promote best practices in testing, DevOps, and deployment automation, and drive performance improvements across cloud-native architectures (AWS).

Qualifications

• 6+ years of backend development experience with Node.js, TypeScript, JavaScript, and REST APIs.
• Hands-on experience with cloud-native applications (AWS preferred).
• Strong expertise in microservices architecture, OOP, and API integrations.
• Experience with Agile development and DevOps practices.
• Excellent problem-solving, communication, and teamwork skills.

Responsibilities

• Build and maintain backend systems using Node.js, GraphQL, TypeScript, and RESTful APIs.
• Design scalable microservices and optimize system performance.
• Ensure high-quality code through testing, automation, and best practices.
• Collaborate with cross-functional teams to deliver innovative features.
• Mentor and guide junior developers, fostering a culture of learning.
• Drive improvements in development processes and operational efficiency.

Skills

Node.js

GraphQL

TypeScript

JavaScript

REST APIs

Microservices

OOP

API integrations

Agile

DevOps

Testing & automation

AWS

Tools

Kubernetes

Job description

As a Senior Backend Engineer, you will play a key role in building the next-generation credit card platform. You will design and develop scalable, high-performance backend systems, implement microservices, and ensure robust, reliable APIs. This role offers the opportunity to work across product, design, and engineering teams, mentor junior developers, and drive best practices in coding, testing, and operational efficiency.

What You’ll Do

• Build and maintain backend systems using Node.js, GraphQL, TypeScript, and RESTful APIs.
• Design scalable microservices and optimize system performance.
• Ensure high-quality code through testing, automation, and best practices.
• Collaborate with cross-functional teams to deliver innovative features.
• Mentor and guide junior developers, fostering a culture of learning.
• Drive improvements in development processes and operational efficiency.

What We’re Looking For

• 6+ years of backend development experience with Node.js, TypeScript, JavaScript, and REST APIs.
• Hands-on experience with cloud-native applications (AWS preferred).
• Strong expertise in microservices architecture, OOP, and API integrations.
• Experience with Agile development and DevOps practices.
• Excellent problem-solving, communication, and teamwork skills.

Nice to Have

• Experience in fintech or credit card platforms.
• Hands-on experience with Kubernetes.
• Knowledge of CI/CD pipelines and deployment automation.