Backend Engineer

This role is for one of Weekday's clients

Min Experience: 4 years

Location: Gurgaon

JobType: full-time

About the Role

Backend Engineer

You will collaborate closely with frontend developers, DevOps engineers, and product managers to develop APIs, improve performance, and ensure that our systems run smoothly, securely, and efficiently.

Key Responsibilities

Backend System Development

• Design, develop, and maintain server-side logic using

  Node.js

  and related frameworks.
• Build and maintain RESTful APIs and microservices to support frontend and third-party integrations.
• Write reusable, testable, and efficient code, ensuring best practices in software development.

Database Management

• Work with both SQL (PostgreSQL, MySQL) and NoSQL (MongoDB, Redis) databases.
• Design data models and schemas that are optimized for performance and scalability.
• Implement caching, indexing, and other performance enhancements.

API Design & Integration

• Create and manage APIs for internal and external use.
• Ensure seamless integration between frontend and backend systems.
• Monitor API performance and conduct troubleshooting when needed.

Security & Performance Optimization

• Implement security and data protection best practices (JWT, OAuth, encryption, etc.).
• Optimize application performance through profiling, benchmarking, and code refactoring.

Collaboration & Deployment

• Collaborate with cross-functional teams (frontend, product, QA, DevOps) to deliver high-quality features.
• Participate in code reviews and contribute to a culture of continuous improvement.
• Work with CI/CD pipelines to automate deployment and testing processes.

Required Skills & Qualifications

• 4+ years of backend development experience

  with a strong focus on

  Node.js

  and

  JavaScript

  .
• Proficiency in building RESTful APIs and working with microservices architectures.
• Strong understanding of asynchronous programming, event-driven architecture, and middleware handling in Node.js.
• Experience with Express.js, NestJS, or similar Node.js frameworks.
• Solid knowledge of data structures, algorithms, and system design.
• Experience with Git, version control workflows, and collaborative development.
• Familiarity with Docker, Kubernetes, or cloud platforms (AWS, GCP, Azure) is a plus.
• Good understanding of testing tools like Mocha, Chai, Jest, or similar.

Preferred Qualifications

• Experience working in Agile/Scrum development environments.
• Knowledge of GraphQL, WebSockets, or message brokers like RabbitMQ/Kafka.
• Exposure to DevOps practices and CI/CD pipelines.
• Experience integrating with third-party services (payment gateways, SMS/email providers, etc.).