MERN Stack Engineer

Key Responsibilities :

Technical Leadership & Architecture :

- Lead the design, development, and deployment of full-stack applications using the MERN stack.

- Define scalable, secure, and high-performance architectures aligned with enterprise and FSI compliance standards.

- Drive technical decision-making, code standards, and best practices across the team.

- Review architecture, code, and designs to ensure maintainability, performance, and security.

- Own end-to-end delivery - from requirement analysis to production release and post-deployment support.

Backend Development (Node.js & MongoDB) :

- Design and develop RESTful / GraphQL APIs using Node.js and Express.js.

- Architect and optimize MongoDB schemas, indexes, and queries for large-scale datasets.

- Implement authentication, authorization (JWT, OAuth, RBAC) and data security best practices.

- Ensure backend systems are highly available, fault-tolerant, and scalable.

Frontend Development (React.js) :

- Lead the development of modern, responsive, and high-performance UIs using React.js.

- Work with state management libraries (Redux, Context API, Zustand, etc.).

- Implement reusable UI components and follow clean UI/UX and accessibility standards.

- Optimize frontend performance and ensure cross-browser compatibility.

DevOps, Cloud & Performance :

- Collaborate with DevOps teams to manage CI/CD pipelines and automated deployments.

- Work with cloud platforms (AWS/Azure/GCP) for application hosting and scalability.

- Implement logging, monitoring, and alerting for production systems.

- Ensure application performance, reliability, and security in production environments.

Team Leadership & Mentorship :

- Lead, mentor, and guide a team of full-stack developers.

- Conduct code reviews, technical discussions, and knowledge-sharing sessions.

- Support team members in career growth, skill development, and problem-solving.

- Foster a culture of ownership, collaboration, and engineering excellence.

Stakeholder Collaboration :

- Work closely with product managers, data teams, QA, and business stakeholders.

- Translate business requirements into technical solutions aligned with product goals.

- Provide accurate estimates, timelines, and risk assessments.

Required Technical Skills :

Core Technologies :

- Frontend : React.js, JavaScript (ES6+), HTML5, CSS3

- Backend : Node.js, Express.js

- Database : MongoDB (schema design, indexing, aggregation pipelines)

- APIs : RESTful APIs, GraphQL (good to have)

Programming & Engineering :

- Strong expertise in JavaScript / TypeScript

- Solid understanding of asynchronous programming, event-driven architecture, and microservices

- Experience with data structures, algorithms, and system design

DevOps & Cloud :

- Experience with Docker, CI/CD pipelines (GitHub Actions, Jenkins, GitLab CI, etc.)

- Exposure to AWS / Azure / GCP

- Knowledge of Nginx, PM2, and production-grade deployments

Security & Quality :

- Knowledge of application security, OWASP principles

- Experience with unit testing, integration testing (Jest, Mocha, Cypress, etc.)

- Familiarity with code quality tools and performance profiling

Good to Have :

- Experience building enterprise or FSI-domain applications

- Exposure to data-intensive or analytics-driven platforms

- Knowledge of microservices, event streaming (Kafka/RabbitMQ)

- Familiarity with AI/ML-driven application integrations

- Experience working in agile / scrum environments