Full Stack Engineer React & Node

Ajackus; Mumbai; On-site; INR 1,200,000 - 2,000,000; Full time

Job summary

Ajackus is seeking a skilled Full Stack Developer with 4+ years of experience to build scalable, responsive web applications using MongoDB, Express.js, React.js, and Node.js. You will design, implement, and maintain end-to-end solutions.

You will collaborate with product, design, and QA teams, apply best practices for performance, security, and code quality, and participate in code reviews and architecture discussions. Experience with RESTful APIs and CI/CD is a plus.

Qualifications

• 4+ years of hands-on experience in full-stack web development using React & Node.js.
• Hands-on experience with React.js, including hooks, component architecture, state management, and reusable components.
• Strong backend development experience with Node.js and Express.js.
• Experience designing and working with MongoDB, including aggregation pipelines, indexing, and query optimization.
• Experience developing and integrating RESTful APIs.
• Good understanding of asynchronous programming, promises, and event-driven architecture.
• Proficiency with Git and collaborative development workflows.
• Familiarity with authentication and authorization mechanisms, such as JWT and OAuth.
• Understanding of responsive design, web security, and performance optimization.
• Strong debugging, problem-solving, and analytical skills.
• Good communication and collaboration skills.

Responsibilities

• Design, develop, and maintain scalable web applications using the Full stack.
• Develop robust backend services and RESTful APIs using Node.js and Express.js.
• Design, manage, and optimize MongoDB databases, including schemas, queries, and indexes.
• Integrate third-party APIs and external services into web applications.
• Write clean, reusable, maintainable, and well-tested code.
• Identify, troubleshoot, and resolve application performance and technical issues.
• Collaborate with product managers, designers, and other developers to deliver high-quality solutions.
• Participate in code reviews, technical discussions, and application design decisions.
• Follow best practices for application security, performance optimization, and version control.

Skills

React.js

Node.js

MongoDB

Express.js

RESTful APIs

Git

JWT/OAuth

TypeScript

Redux

CI/CD

Docker

Jest/RTL

Tools

Docker

CI/CD

AWS

Google Cloud

Jest

React Testing Library

Job description

We are looking for a skilled Full Stack Developer with 4+ years of experience in building scalable, responsive, and high-performance web applications. The ideal candidate should have strong expertise in MongoDB, Express.js, React.js, and Node.js, along with a solid understanding of frontend and backend development, RESTful APIs, and application architecture.

Key Responsibilities:

• Design, develop, and maintain scalable web applications using the Full stack.
• Develop robust backend services and RESTful APIs using Node.js and Express.js.
• Design, manage, and optimize MongoDB databases, including schemas, queries, and indexes.
• Integrate third-party APIs and external services into web applications.
• Write clean, reusable, maintainable, and well-tested code.
• Identify, troubleshoot, and resolve application performance and technical issues.
• Collaborate with product managers, designers, and other developers to deliver high-quality solutions.
• Participate in code reviews, technical discussions, and application design decisions.
• Follow best practices for application security, performance optimization, and version control.

Qualifications:

• 4+ years of hands-on experience in full-stack web development using React & Nodejs.
• Hands-on experience with React.js, including hooks, component architecture, state management, and reusable components.
• Strong backend development experience with Node.js and Express.js.
• Experience designing and working with MongoDB, including aggregation pipelines, indexing, and query optimization.
• Experience developing and integrating RESTful APIs.
• Good understanding of asynchronous programming, promises, and event-driven architecture.
• Proficiency with Git and collaborative development workflows.
• Familiarity with authentication and authorization mechanisms, such as JWT and OAuth.
• Understanding of responsive design, web security, and performance optimization.
• Strong debugging, problem-solving, and analytical skills.
• Good communication and collaboration skills.

Good to Have:

• Experience with TypeScript.
• Familiarity with Redux, Context API, or other state management solutions.
• Experience with cloud platforms such as AWS, Azure, or Google Cloud.
• Knowledge of Docker, CI/CD pipelines, and deployment workflows.
• Familiarity with automated testing frameworks such as Jest, React Testing Library, or Cypress.
• Experience with Agile/Scrum development methodologies.

What We’re Looking For:

• A proactive developer who can take ownership of tasks from development through deployment.
• Someone who can work independently while collaborating effectively with cross-functional teams.
• A developer who values code quality, scalability, maintainability, and continuous learning.