
MERN Stack Developer – Job Description
Position: MERN Stack Developer
Experience: 3 - 9 Years
Location: remote
Employment Type: Full-Time
Job Summary
We are looking for a skilled MERN Stack Developer to join our development team. The candidate will be responsible for designing, developing, testing, and maintaining scalable web applications using MongoDB, Express.js, React.js, and Node.js.
Key Responsibilities
- Develop and maintain web applications using the MERN stack.
- Build responsive and user-friendly interfaces using React.js.
- Develop scalable and secure backend APIs using Node.js and Express.js.
- Design and manage databases using MongoDB.
- Integrate third-party APIs and services.
- Write clean, reusable, and maintainable code.
- Troubleshoot, debug, and optimize application performance.
- Collaborate with UI/UX designers, developers, QA, and project managers.
- Participate in code reviews and follow development best practices.
- Ensure applications are secure, scalable, and performance-oriented.
Required Skills
- Strong knowledge of React.js, Node.js, Express.js, and MongoDB.
- Good understanding of JavaScript/ES6+.
- Experience with RESTful APIs.
- Knowledge of HTML5, CSS3, and responsive design.
- Familiarity with Git/GitHub.
- Understanding of authentication and authorization mechanisms such as JWT/OAuth.
- Good understanding of database concepts and query optimization.
- Strong problem-solving and communication skills.
Good to Have
- TypeScript experience.
- Redux/React Query.
- Experience with AWS or other cloud platforms.
- Knowledge of Docker and CI/CD.
- Experience with Agile/Scrum methodology.
Education
Bachelor's degree in Computer Science, IT, Engineering, or a related field is preferred.

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Job Summary:
We are looking for a highly skilled MERN Stack Developer with at least 3 years of experience to join our team. As a Team Lead, you will be responsible for designing, developing, and optimizing web applications while mentoring junior developers. Strong communication skills and leadership abilities are essential for this role.
Key Responsibilities:
Full-Stack Development
- Develop, optimize, and maintain scalable applications using MongoDB, Express.js, React.js, and Node.js.
- Implement best coding practices, reusable components, and maintain high-performance applications.
Technical Leadership
- Lead a team of developers, conduct code reviews, and provide technical mentorship.
- Ensure the team follows best practices, development standards, and project timelines.
Backend & Database Management
- Design and implement RESTful APIs, GraphQL, and backend logic.
- Optimize MongoDB queries, indexing, and schema design for performance.
Frontend Development
- Develop interactive and responsive UI components using React.js, Redux, Next.js, or TypeScript.
- Ensure seamless user experience and cross-browser compatibility.
Collaboration & Deployment
- Work closely with UI/UX designers, product managers, and DevOps for smooth project execution.
- Manage CI/CD pipelines, cloud deployments (AWS, Firebase, Heroku), and ensure system security.
Requirements:
✔ 3 years of experience in MERN Stack development.
✔ Strong expertise in JavaScript, TypeScript (preferred), and modern frameworks.
✔ Experience leading teams, conducting code reviews, and mentoring junior developers.
✔ Knowledge of Docker, Kubernetes, CI/CD pipelines, and cloud platforms.
✔ Strong problem-solving skills and ability to troubleshoot performance issues.
✔ Excellent communication skills and ability to work in an Agile team environment.
We are looking for a Node.js Lead Developer responsible for managing the interchange of data between the server and the users. Your primary focus will be the development of all server-side logic, definition and maintenance of the central database, and ensuring high performance and responsiveness to requests from the front end. You will also be responsible for integrating the front-end elements built by your co-workers into the application. Therefore, a basic understanding of front-end technologies is necessary as well.
As a MERN Stack Developer / Software Architect, you will play a crucial role in the architecture, development, and leadership of our digital products. You will collaborate closely with cross-functional teams to create exceptional user experiences, while also ensuring the scalability, security, and performance of our applications.
Responsibilities:
- Architecture and Technical Leadership: Design and develop the architectural roadmap for the website and mobile app. Lead and mentor a team of 8-9 MERN Stack developers, providing technical guidance, code reviews, and best practices to ensure high-quality solutions.
- Full Stack Development: Hands-on contribution to the development of complex features and functionalities using the MERN (MongoDB, Express.js, React, Node.js ) stack. Implement robust and maintainable code that aligns with industry standards.
- Scalability and Performance: Collaborate with the team to optimize application performance, ensuring that the platform can handle increased traffic and usage while maintaining a seamless user experience.
- Code Quality and Best Practices: Enforce coding standards, conduct regular code reviews, and implement best practices for software development. Ensure that the team follows coding, testing, and documentation standards consistently.
- Technical Evaluation: Evaluate and adopt new technologies, tools, and frameworks that can enhance the development process and overall product quality.
- Collaboration: Work closely with Product Managers, Designers, and other stakeholders to translate business requirements into technical solutions. Collaborate effectively with cross-functional teams to deliver on time and within scope.
- Problem Solving: Troubleshoot complex technical issues and provide innovative solutions to challenges that may arise during the development lifecycle.
- Continuous Learning: Stay updated with the latest trends, technologies, and best practices in the MERN stack and software architecture domain. Share knowledge and promote a culture of learning within the team.
Requirements:
- Bachelor's degree in Computer Science, Engineering, or related field. Master's degree is a plus.
- 7-10 years of professional experience in software development, with a strong focus on MERN stack development.
- Proven experience in designing and implementing scalable, high-performance web applications and mobile apps.
- Solid understanding of software architecture principles and design patterns.
- Previous experience in a leadership or technical mentorship role.
- Strong proficiency in MongoDB, Express.js, React, and Node.js .
- Experience with cloud platforms (e. g., AWS, Azure) and DevOps practices.
- Excellent problem-solving skills and a proactive attitude towards addressing challenges.
- Effective communication and collaboration skills.
- Prior experience in the health and wellness industry is a plus.
Nature of project – Product development.
Key skills: Java full stack developer with React Js experience.
Key Responsibilities
- Advance the state of the art in building Microservices with Java and frontend applications with React JS.
- Design and Develop Cloud based, web applications for SMBs
- Design and develop the front end for customer-facing applications using MVC framework
- Design and develop supporting components and Microservices for the backend tiers focusing on fault-tolerance and scalability in a multi-tenant B2B2C environment
- Team with top-notch engineers, product managers, Dev Ops and QA following agile development methodologies
- Review functional requirements, providing technical feedback on feasibility and architectural approach and framework.
- Develop technical specifications
- Contribute to test plan development.
- Create Prototype and/or Proof of Concepts (POCs) when necessary
- Act in a technical leadership capacity: Mentor junior engineers and new team members, perform code reviews and apply technical expertise to challenging programming and design problems
- Manage and maintain Cloud infrastructure
- Maintain and improve the functionality and performance of the existing web applications; refactor legacy codebase
- Help shape and execute the technical roadmap to develop next generation features; integrate corporate- and product-level architecture principles and goals into the teams project work through designs, implementation strategies, and project planning.
- Drive a culture of quality, technical curiosity, continuous improvement, and evidence-based data driven decision making in the organization.
- Lead team in software development best practices including Peer Code Review, Unit testing, Automated Deployments, and Automated Testing.
- Write technical documentation
The key skills and expertise needed are:
1. eCommerce/Retail experience can be optional but needs to have experience with any high volume customer facing web/mobile site
2. Web Development, Front End Development, AND In the browser performance profiling
3. Java, Spring Boot, React, Node, Redux, Webpack, Microservices, AND experience with AWS technologies to make the overall application stack more resilient
4. Performance Profiling of web/mobile experiences and experience with working in CICD environment
5. Experience working with Web based and mobile ecommerce sites or similar public facing websites with high customer volume
6. Needs to be able to work at the code level doing performance profile to evaluate how the website and associated digital platform is built to find performance improvement opportunities
The website should support
1. Simplistic UI (to be provided on pen and paper by us)
2. Onboarding along with some questions
3. User portal which would display information as specified in our mockups (for now it would be 2-3 pages)
Backend
1. Login signup using google to be done by Django
2. Backend support to store custom information provided by frontend
Crawler and cron jobs
1. We need to fetch data from various websites which would have captcha, you would need to bypass captcha, crawl the website, fetch the data and store it to our backend.
2. You will need to create cron jobs so that data can be fetched on regular intervals which should be customizable for each customer account who have signed up via frontend
**day-to-day responsibilities include:
1. Understand the new product development by asking questions, identifying challenges, and offering suggestions
2. Develop UI mockups and prototypes that clearly illustrate how the product functions and look
3. Create wireframe/prototype design
4. Carry out user analysis and visual design according to product development requirements
5. Identify and troubleshoot product development problems
6. Write back-end programming in Python or similiar language
**Required Skills
1. Command over at least Python or similar Back end Programming Language
2. Command over at least React.js or similar Front end Programming Language
3. Eagerness to learn Database : MongoDB
4. Sound understanding of working on front-end technologies with HTML5 & CSS3 will be preferred.
5. Good sense of UI/UX (User Interface/User Experience).
6. Creative and Flexible to Add API of 2022 Technologies.
**Desired Skills
Front end : React.js
Backend : Python
Database : MongoDB
Flexible to Add API of 2022 Technologies.
To integrate latest 2022 API & Communication like Social Media Applications
Qualification : Engineering /Master degree in Computer Science/Electronics/Electrical/Information
Technology
Experience : 5- 8 Experience
Skill Sets :
-
Fluent in CSS (Foundation or Bootstrap), JavaScript and HTML
-
Strong knowledge of Linux, PHP and MySQL, with working understanding of MongoDB, PostgreSQL, AngularJS, Express.js, Oracle, React Js, Ember and Node.js.
-
Proficient in JS-based tools including Bower, Grunt anvd Gulp.
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Spring, MVC, ReactJS, Microservices , and Service oriented architecture
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Experience working with languages such as Java, Javascript, Python, PHP or Ruby.
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Working experience as a full stack developer.
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Experience working with server technologies including Apache, ISS, Node.js, Nginx and J2EE.
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Experience in API design and development.
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Experience in web design and development with security concepts
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Understanding of libraries including Backbone.js and jQuery.
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Strong knowledge of data structures, system design, and algorithm
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Experience in REST API and API calls development
-
Knowledge about IOT technologies and cloud platforms
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Roles & Responsibilities
- Writing clean, high-quality, high-performance, maintainable code.
- Develop and support software including applications, database integration, interfaces, and new functionality enhancements.
- Coordinate cross-functionally to insure project meets business objectives and compliance standards.
- Support test and deployment of new products and features.
- Participate in code reviews.
Skills Required
- A highly talented developer with 6-9 years of hands-on experience in building secure and scalable web based applications using Java in backend and JS based frontend frameworks
- Strong knowledge of Java 8+, databases (SQL and NoSQL) , MySql, Mongo
- Experience working with Cassandra, Spring Boot, Apache Spark, Kafka, RabbitMQ is highly desirable.
- Working knowledge of any one or more of AngularJS/ReactJS/VueJS and CSS3, HTML5.
- Strong experience in data modelling for data storage tools in SQL; experience with noSQL is highly desirable.
- Experience building scalable solutions for 2x, 5x and 10x growth with high quality and flexibility.
- Practitioner of test driven development practices. Experience in creating and adhering to best practices for development.
- Experience working with container technologies like Docker and knowledge of CI/CD processes for automated integration and deployment. Basic knowledge of AWS preferred.
- Strong experience in Microservices (SRP) paradigm.
- Willing to learn new technologies (Golang).
- Multiple solution stack development experience along with MEAN(Mongo, Express, Angular and Node)
- Python with any web framework
- Micro Services, Performance Engineering, Docker, Kubernetes, AZURE, CI/CD pipeline,, MySQL and Database design
Job Role :
- Responsible for component selection, design standardization, common library building.
- Build services and templates based on published standard (RFC type)Build coding templates and architypes adhering to design standard.
- Understand NFR and define architecture, design and validation for each NFR element.
- Design data model, service contract and document framework.Define and ensure coding standards
- Define and ensure UI standards are followed. Design micro services, security, deployment Well-versed in module level effort estimationWell-versed in application integration patterns Exposure to bug fixing, maintenance, continuous integration releases.
- Exposure to building architectural view like logical, physical and deployment.Exposure to performance bottleneck, RCA and remediation.Exposure to security issues, RCA and remediation.
Process Exposure :
- Able to interact with team, stakeholders and architects. Understand functional requirements and create design documents for features.
- Participate in sprint planning and story elaboration sessions.
- Candidate should be able to work independently in an Agile project.
- Experience with Test-Driven Development, Integration testing and Agile processes.
- Code review from a standard and design adherence perspective.








