Tech Lead - Full Stack (MERN)

Job Title: Full Stack Developer (Node.js + React.js)

📍 Location: Gurgaon (On-site)

🕒 Experience: 5+ Years

🕒 Working Days: 5 Days(Mon-fri)

Job Summary:

We are hiring a passionate and experienced Full Stack Developer proficient in Node.js and React.js for our client. The ideal candidate should have solid experience in designing scalable systems, writing optimized code, implementing role-based access control, handling task prioritization, and building robust web applications.

Key Responsibilities:

• Design scalable user management systems with role-based access and authentication.
• Develop backend services and REST APIs using Node.js.
• Build dynamic and optimized front-end applications using React.js and Redux.
• Handle async operations, task queues, and implement retry and prioritization logic.
• Optimize React components for performance using hooks and memoization.
• Ensure secure and scalable system design with proper error handling and authorization flows.
• Apply JavaScript concepts like closures, event loop, and async patterns in real-world scenarios.
• Collaborate with DevOps for basic CI/CD and deployment processes.

Mandatory Technical Skills:

• Frontend: React.js, Redux, JavaScript (ES6+)
• Backend: Node.js, Express.js
• Authentication & Authorization: JWT, OAuth2, Role-Based Access Control (RBAC)
• Task Management: Async/Await, Promises, Retry Mechanisms
• Database: MongoDB or PostgreSQL
• Version Control: Git

Soft Skills:

• Strong problem-solving and system design skills
• Ability to work independently and in a collaborative team
• Clear communication of technical ideas
• Ownership of tasks and components end-to-end

Focus Areas:

• System Design (User Management, Fault Tolerance, Load Distribution)
• JavaScript Core Concepts (Closures, Scope, Event Loop)
• React Optimization & Hooks
• Node.js Architecture & Async Programming
• Task Prioritization and Retry Logic

Develop and maintain application documentation and coding standards that are clear, accurate and detailed. Troubleshoot .NET issues and provide debugging support as needed. Maintain communication with key players on development process and communicate complex technical information to non-technical audiences. Provide mentorship and support to other employees

·       Hands on Experience on HTML, jQuery, JavaScript, MongoDB, NoSQL, Azure/Google Cloud Components

·       HTML: Elements and attributes, HTML Structures

·       jQuery: Functions and events, class based, ID based and attributes-based events, effects, JSON serialization and deserialization, JSON data preparation, AJAX Calls, async functions‍

·       JavaScript: For Loops, Filters, JSON Data Mapping

·       Expert on C# (.Net Core & Asp.NET MVC) and MongoDB

Responsibilities

Work with development teams and product managers to ideate software solutions

Design client-side and server-side architecture

Build the front-end of applications through appealing visual design

Develop and manage well-functioning databases and applications

Write effective APIs

Test software to ensure responsiveness and efficiency

Troubleshoot, debug and upgrade software

Create security and data protection settings

Build features and applications with a mobile responsive design

Write technical documentation

Work with data scientists and analysts to improve software

Requirements And Skills

Proven experience as a Full Stack Developer or similar role

Experience developing desktop and mobile applications

Familiarity with common stacks

Knowledge of multiple front-end languages and libraries (e.g. HTML/ CSS, JavaScript, XML, jQuery)

Knowledge of multiple back-end languages (e.g. C#, Java, Python) and JavaScript frameworks (e.g. Angular, React, Node.js)

Familiarity with databases (e.g. MySQL, MongoDB), web servers (e.g. Apache), and UI/UX design

Excellent communication and teamwork skills

Great attention to detail

Organizational skills

An analytical mind

Skills:- MongoDB, Express, HTML/CSS, Javascript, XML, jQuery, Java, MySQL

Job Description
We are looking for Full Stack Engineer who can turn ideas into extremely reliable, beautifully written code that other people – or you, six months into the future – will find easy to comprehend and modify. You have mastered more than one technology stack in your life, and you are comfortable with the idea of mastering several more. You're competent at high levels and low levels. Technology is a means and not the ends for you.

Responsibilities
Lead and build team to deliver best product(s).
Work closely with client as they build  features, functionality and applications to make system best.
Develop visioning skills and ability to see the big picture
Implement and contribute to engineering practices and processes
Help your team decide what technologies to use. Every engineer is able to propose better ways to do things

Skills and Qualifications
Back End : NodeJS and / or PHP
Front End : ReactJs, Angular and / or PHP
Experience of full stack web development, JavaScript, HTML5, CSS3 and TypeScript. DevOps knowledge is a plus
Ability to clearly communicate technical issues to laymen and to translate their feedback
An inclination to contribute to the creative process
A devotion to delivering the best possible user experience
Technology expertise with insights about technology trends and solutions
Team-player, flexible and able to work in a fast-paced environment
Experience with MySQL, and/or Cassandra, MongoDB desired

What you need to have: