41 Catalyst IQ Jobs

Job Overview :

We are seeking an experienced and hands-on Lead Node.js Engineer to spearhead backend development and architecture for scalable, high-performance applications. The ideal candidate should have extensive experience in Node.js, microservices architecture, API development, and cloud-based deployments. As a lead engineer, you will mentor junior developers, drive best practices, and collaborate with cross-functional teams to design and implement innovative solutions.

Key Responsibilities :

Technical Leadership & Architecture :

- Design and develop scalable, high-performance backend architectures using Node.js.

- Lead the development of microservices and serverless architectures.

- Define best practices, coding standards, and architectural guidelines for backend development.

- Evaluate and implement modern technologies to optimize performance, scalability, and security.

Backend Development & API Engineering :

- Develop and maintain RESTful & GraphQL APIs to support frontend and mobile applications.

- Implement event-driven architectures using message brokers like Kafka, RabbitMQ, or AWS SQS.

- Ensure API security using JWT, OAuth2, API Gateway, and rate-limiting techniques.

- Integrate third-party services and external APIs.

Database Management & Optimization :

- Design and optimize NoSQL (MongoDB, DynamoDB) and SQL (PostgreSQL, MySQL) databases.

- Implement caching strategies using Redis or Memcached for low-latency performance.

- Ensure high availability, replication, and backup strategies for databases.

Cloud & DevOps :

- Deploy and manage applications on AWS, GCP, or Azure.

- Implement CI/CD pipelines using GitHub Actions, Jenkins, or GitLab CI/CD.

- Use Docker and Kubernetes for containerized application deployment.

- Monitor application performance with Prometheus, Grafana, or Datadog.

Team Collaboration & Mentorship :

- Mentor and guide a team of backend engineers.

- Conduct code reviews, provide feedback, and enforce development best practices.

- Work closely with frontend, DevOps, and product teams to ensure seamless development and deployment.

Required Technical Skills :

Backend Technologies :

- Node.js (Express.js / NestJS / Fastify)

- Microservices architecture

- RESTful API & GraphQL development

- Asynchronous programming (Promises, Async/Await, Callbacks)

Database Management :

- MongoDB (Mongoose ODM), PostgreSQL, MySQL

- Redis / Memcached for caching

- Data modeling, indexing, and query optimization

Security & Authentication :

- JWT, OAuth2, Passport.js

- Role-based access control (RBAC)

- Data encryption and API security best practices

DevOps & Cloud Infrastructure :

- AWS (EC2, Lambda, RDS, S3, API Gateway, SQS, ECS, EKS)

- CI/CD tools (Jenkins, GitHub Actions, GitLab CI/CD)

- Containerization (Docker, Kubernetes)

Testing & Debugging :

- Unit and Integration Testing (Jest, Mocha, Chai)

- API Testing (Postman, Newman)

- Performance monitoring (Prometheus, Grafana)

Nice to Have :

- Experience with Serverless Framework (AWS Lambda, Firebase Functions)

- Hands-on experience with WebSockets, Socket.io for real-time applications

- Knowledge of Event Sourcing & CQRS

- Exposure to Blockchain, AI/ML APIs, or Edge Computing

Qualifications :

- Bachelors / Masters degree in Computer Science, Engineering, or related field.

- 5-9 years of hands-on experience in Node.js backend development.

- Proven experience in leading backend teams and designing scalable systems.

- Strong analytical and problem-solving skills.

- Excellent communication and leadership abilities.

Why Join Us?

- Opportunity to work on cutting-edge technologies and scalable architectures.

- Lead and mentor a team of talented engineers.

- Competitive salary, benefits, and career growth opportunities.

- Remote flexibility, work-life balance, and a collaborative team culture.