MERN Stack Developer ( Exp: 3 to 5 Years )

We are seeking a skilled and experienced MERN Stack Developer to join our development team. The ideal candidate will have in-depth knowledge of MongoDB, Express.js, React.js, and Node.js, along with a passion for building high-performance, scalable web applications.

Key Responsibilities:

• Develop, test, and deploy robust and scalable web applications using the MERN stack.
• Design and maintain RESTful APIs and integrate front-end with back-end logic.
• Work closely with UI/UX designers to implement design specifications.
• Optimize applications for maximum speed and scalability.
• Write clean, reusable, and well-documented code.
• Collaborate with cross-functional teams including designers, product managers, and other developers.
• Perform unit and integration testing.
• Stay up-to-date with emerging technologies and industry trends.

Required Skills & Qualifications:

• Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model.
• Hands-on experience with MongoDB, Express.js, React.js, and Node.js.
• Knowledge of modern front-end build pipelines and tools (Webpack, Babel, etc.).
• Experience with version control systems like Git.
• Good understanding of database design and management.
• Familiarity with Agile/Scrum methodologies.
• Excellent problem-solving and debugging skills.
• Strong communication and teamwork abilities.

Preferred Skills:

• Experience with Next.js or React Native is a plus.
• Knowledge of CI/CD pipelines.
• Understanding of cloud platforms like AWS, Azure, or GCP.

Knowmax is a global B2B SaaS platform built to elevate customer experience through intelligent knowledge management. We enable customer-facing teams to access the right answers instantly—across contact centers, digital channels, and field support—driving consistency, efficiency, and satisfaction at scale.

Preferred Profile: Candidates with prior experience working on product development in a startup environment.

Core Backend Skills

• Node.js Mastery
• Deep understanding of event loop, async patterns (Promises, async/await).
• Experience with frameworks like Express, NestJS, Fastify.
• Writing scalable APIs (REST), middleware, and modular code.
• Database Expertise
• SQL/Postgres – schema design, complex joins, indexing, query optimization.
• Knowledge of transactions, isolation levels, and migrations.
• Basic familiarity with ORMs (Sequelize/TypeORM/Prisma) and raw queries.
• Architecture & Design
• Ability to design backend systems
• Good understanding of API versioning, caching strategies (Redis).

Frontend (Average Skill Expected)

• Comfortable with React (or Nuxt/Vue) for building and maintaining UIs.
• Basic understanding of state management (Redux, Vuex, Pinia).
• Familiarity with component-based architecture and UI libraries (Material UI, Tailwind).
• Can debug UI issues but not expected to be a design/UX expert.

Other Expectations

• Code Quality – Writing unit tests (Jest/Mocha), code reviews, and maintaining clean architecture.
• Problem-Solving – Strong data structures and algorithmic skills (not as intense as SD3/Architect).
• Collaboration – Able to mentor juniors, break down tasks, and work closely with product and QA.
• Performance & Security – Understands security best practices (OWASP) and performance profiling.

Roles and Responsibilities 

1) Understand client requirements and functionalities. 

2) Write well-designed, testable, efficient code. 

3) Responsible for solving complex technical issues. 

4) Ensure quality projects are delivered within defined timelines. 

5) Active involvement in client communication to understand functional requirements. 

6) Maintain high standards of quality for code, documentation and other deliverables. 

Required Skills 

1) Good experience in Angular/React

2) Hand on Node.JS./Express JS 

3) Database : MongoDB 

4) Experience in Java Script, Typescript. 

5) Experience working in an Agile environment. 

6) Good communication skills.

• Minimum 2years working experience in Application development using Angular 5/6.
• Strong proficiency in JavaScript and the JavaScript object model, JS MVC frameworks, redux such as Angular5/6, State Management With NgRx(Required).
• RestAPI Integration via Http,
• ThirdParty Integrations (Angular Material or PrimeNG),
• Lazyloading ( custom preloading Strategy ),
• Validation,
• Reactive Architecture ( RxJs Observables & Operators )
• Unit Testing (*not mandatory but would be a plus),

Responsibilities and Duties

• Be part of a full team delivering a complete front-end application
• Ensuring high performance on mobile and desktop
• Cooperating with the back-end developer in the process of building the RESTful API
• Develop/Design, implement, and test high-quality web applications in a cloud-based environment.
• Help brainstorm and plan new applications and web services.
• You will take ownership of technical problems and their resolution, including proactively
• Communicating with product managers, developers, architects, and the operations team.
• Provide accurate effort-estimates for deliverables.
• Be committed to the deadlines.

The Senior Developer takes up the responsibility of delivery of assigned task with quality and within given timelines and delivers independently.

• Extensive knowledge of software development processes
  • Strong knowledge on different programming languages/technologies
  • Knowledge & experience of different coding practices
  • Quality deliverables meeting Project specific/Industry specific standards
  • Delivery within defined/agreed timelines

Java, Spring Boot, Microservices, JUNIT,
MySQL/Oracle, Javascript/Typescript,
HTML, Angular/ ReactJS