SENIOR MERN STACK DEVELOPER – FULL-STACK WEB APPLICATIONS

Experience:
7+ Years Employment

ABOUT THE ROLE
We are seeking an experienced Senior MERN Stack Developer who can independently build, maintain, and improve production-grade web applications. The candidate should be strong in frontend and backend development, comfortable gathering requirements, and capable of choosing appropriate implementation approaches rather than relying on step-by-step instructions.

KEY RESPONSIBILITIES
- Work With Management, Clients, And Stakeholders to understand requirements and clarify expected outcomes.
- Convert requirements into technical tasks, API specifications, database designs, and implementation plans.
- Build responsive web applications using React.js and modern JavaScript/TypeScript.
- Develop backend services and REST APIs using Node.js and Express.js.
- Design and optimize MongoDB schemas, queries, indexes, and data workflows.
- Implement secure authentication, authorization, role-based permissions, validation, and error handling.
- Integrate third-party APIs, payment gateways, notification services, analytics, and other systems.
- Diagnose bugs, improve performance, and resolve production issues.
- Write maintainable code and automated tests; participate in code reviews.




- Use AI coding assistants to accelerate development while validating generated code.
- Collaborate with mobile developers, QA, UI/UX, and DevOps teams.
- Support deployment, monitoring, documentation, and ongoing maintenance. REQUIRED SKILLS
- 7+ years of qualified web development experience.
- Strong expertise in React.js, Node.js, Express.js, MongoDB, JavaScript, and TypeScript.
- Solid understanding of REST APIs, data modeling, application security, performance, and scalable architecture.
- Experience with Git, testing, CI/CD, Docker, and cloud deployment.
- Practical experience using AI development tools such as ChatGPT, GitHub Copilot, Cursor, or equivalents.
- Strong debugging, requirement analysis, estimation, and communication skills. GOOD TO HAVE
- React Native experience.
- Experience integrating LLM APIs, chatbots, document processing, RAG, or other AI-powered features.
- Experience with PostgreSQL, Redis, Firebase, and AWS. IDEAL CANDIDATE Someone who can independently understand a feature, Identify Missing Requirements, Decide How To Implement It, Deliver reliable code, and explain progress and risks clearly.

Skills:
communication,docker,redis,typescript,postgresql,rest apis,mongodb,git,ci/cd,react,node.js,aws,javascript

📌 Senior MERN Stack Developer (Mumbai)
🏢 Pharmizza Technology Solutions
📍 Mumbai