
About the Role:
We are looking for an experienced Senior MERN Stack Developer to join our growing engineering team. You will be responsible for designing, developing, and maintaining high-performance web applications using the MongoDB, Express.js, React.js, and Node.js technology stack. You should be passionate about writing clean, scalable code and mentoring junior developers.
Key Responsibilities:
- Design and implement scalable, secure, and maintainable full-stack web applications using the MERN stack.
- Develop RESTful APIs and integrate third-party services and databases.
- Write reusable, testable, and efficient code.
- Optimize applications for maximum speed and scalability.
- Lead code reviews and enforce best practices in design and development.
- Collaborate with UI/UX designers, product managers, and other stakeholders to understand business requirements.
- Ensure cross-platform optimization and responsiveness of applications.
- Mentor and guide junior developers, fostering a culture of continuous learning.
- Troubleshoot and debug production issues.
- Maintain documentation of software functionality and technical decisions.
Required Skills:
- Strong proficiency in JavaScript (ES6+), HTML5, CSS3.
- Deep understanding of React.js and state management libraries like Redux or Context API.
- Hands-on experience with Node.js and Express.js.
- Strong knowledge of MongoDB and Mongoose ORM.
- Experience in building and consuming RESTful APIs.
- Familiarity with Git, CI/CD pipelines, Docker, and Cloud Platforms (AWS/GCP/Azure).
- Good understanding of microservices, authentication mechanisms (OAuth, JWT), and role-based access control.
- Experience with unit testing and testing frameworks like Jest, Mocha, or Cypress.
- Strong problem-solving and analytical skills.
- Excellent communication and collaboration abilities.
Preferred Qualifications:
- Bachelor’s/Master’s degree in Computer Science or related field.
- Experience with GraphQL or WebSockets.
- Exposure to DevOps practices and tools (e.g., Jenkins, Kubernetes).
- Previous experience in Agile/Scrum environments.
What We Offer:
- Competitive salary and performance-based bonuses
- Flexible working hours and remote work options
- Opportunities for upskilling and certifications
- Collaborative and inclusive team culture
- Health insurance and wellness benefits

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Job Title : React + Node.js Developer (Full Stack)
Experience : 5+ Years
Location : Mumbai or Pune (Final location to be decided post-interview)
Notice Period : Immediate to 15 Days
Interview Rounds : 1 Internal Round + 1 Client Round
Job Summary :
We are looking for a highly skilled Full Stack Developer (React + Node.js) with strong expertise in both frontend and backend development.
The ideal candidate should demonstrate hands-on experience with databases, excellent project understanding, and the ability to deliver scalable, high-performance applications in production environments.
Mandatory Skills :
React.js, Node.js, PostgreSQL/MySQL, JavaScript (ES6+), Docker, AWS/GCP, full-stack development, production system experience, and strong project understanding with hands-on database expertise.
Key Responsibilities :
- Design, develop, and deploy robust full-stack applications using React (frontend) and Node.js (backend).
- Exhibit a deep understanding of database design, optimization, and integration using PostgreSQL or MySQL.
- Translate project requirements into efficient, maintainable, and scalable technical solutions.
- Build clean, modular, and reusable components following SOLID principles and industry best practices.
- Manage backend services, APIs, and data-driven functionalities for large-scale applications.
- Work closely with product and engineering teams to ensure smooth end-to-end project delivery.
- Use Docker and cloud platforms (AWS/GCP) for containerization, deployment, and scaling of services.
- Participate in design discussions, code reviews, and troubleshooting production issues.
Required Skills :
- 5+ Years of hands-on experience in full-stack development using React and Node.js.
- Strong understanding and hands-on expertise with relational databases (PostgreSQL/MySQL).
- Solid grasp of JavaScript (ES6+), and proficiency in Object-Oriented Programming (OOP) or Functional Programming (FP).
- Proven experience working with production-grade systems and scalable architectures.
- Proficiency with Docker, API development, and cloud services (preferably AWS or GCP).
- Excellent project understanding, problem-solving ability, and strong communication skills (verbal and written).
Good to Have :
- Experience in Golang or Elixir for backend development.
- Knowledge of Kubernetes, Redis, RabbitMQ, or similar distributed tools.
- Exposure to AI APIs and tools.
- Contributions to open-source projects.
- Good understanding of NODE JS back-end development
- Strong understanding of Node.js and frameworks available for it
- Understanding of front-end technologies, such as React or Angular, HTML and CSS3
-Solid understanding of object-oriented development and design patterns.
- Good experience with AJAX, REST and JSON
- Experience with development practices such as Test-Driven Development and Continuous Integration
-Experience in Version Control Systems like GIT, Bitbucket
- Must have good problem solving and analytical skills.
- Must be a team player, having good communication skills, self-starter
- Ability to pick up new technology is needed.
Requirements:
-
5-8 years of experience in software development
-
Solid working experience in Java and J2EE development skills.
-
Object-oriented and service-oriented design concepts, including knowledge of data transfer objects and associated design patterns.
-
Experience with Angular Framework, JavaScript, and CSS.
-
Comprehensive knowledge of Web design patterns and front end technologies like HTML5, JQuery and MVC framework like spring and Spring Boot.
-
Excellent communication skills with the ability to solicit and formalize requirements and work with end users/customers.
-
Experience with agile development methodology.
Your Responsibilities:
- Responsible for overall tech stack of the product
- Designing overall architecture of the web/ mobile application
- Maintain quality and ensure responsiveness of applications
- Exposure to security and data protection management
- Building modular, reusable codes and libraries
- Ability to build product from scratch & drive it to completion
- Optimize applications for best user experience
- Development experience for both mobile and web based products.
- Unit Testing of developed modules
Skills:
Front-End
- Web fundamentals like HTML, JavaScript, and CSS
- CSS preprocessors like Sass, LESS, bootstrap
- JavaScript frameworks like React js, AngularJS, or Ember etc.
- Libraries like jQuery or Backbone.js
- Front-end (CSS) frameworks like Foundation or Bootstrap
- Web sockets
Back-End
- Rest API design and development
- CRUD (Create, Read, Update, Delete)
- RESTful Services
- Web fundamentals like React js, HTML, JavaScript, and CSS
- Server-side languages like Javascript, PHP, Python
- Database technologies like MySQL and MongoDB.
- Web server technologies like Node.js, Nginx, ISS, etc.
Fusion Softtech, is a leading Java , Liferay, PHP and Wordpress Software Development Services Company. We are on a growing spree and we are looking to onboard exclusive talent to grow with us. We are looking for a result-driven Java developer with 2 to 4 years of relevant exp. in same.
If you’re hard-working and dedicated, Fusion SoftTech is an ideal place to get ahead. Apply today!
Job description:
Singapore Calendar Timing - 08:00am to 05:00pm (IST)
- Design, implement, and maintain web application phases
- Conduct software analysis, programming, testing, and debugging
- Identifying production and non-production application issues
- Transforming requirements into stipulations.
- Should have knowledge of Data structures
- Develop, test, implement and maintain application software
- Recommend changes to improve established software application processes
- Ability to develop logical and high-quality code which meets functional specifications along with technical requirements for reusability, maintainability and scalability when appropriate application code for java programs.
- Ability to perform technical analysis based on requirements to establish architecture approach and create detailed design in support of the requirements.
- Excellent written and verbal communication skills, worked for foreign client would be an added advantage.
Technical Skills:
OOPS, Java, J2EE, Spring MVC, Spring Boot , Spring security and Spring Batch SOAP, REST API, Logging Framework, Hibernate, XML, JEE (Servlets/JSP/JMS), web services experience, microservices, AWS, Kubernetes, ELK Stack, Multithreading, GIT
Key Skills and Experience:
- Min 2 years of experience in the JAVA/J2EE.
- Experience with RESTFUL Web services.
- Experience in portal & web content management
- Hands-on experience on Javascript frameworks Alloy UI and JQuery.
- Hands-on experience in software development using J2EE Frameworks – Spring, Spring Boot, Struts, Hibernate.
- Basic knowledge of Javascript, HTML5, and CSS3.
- Good to have experience or Knowledge in AngularJS, ReactJS, different AWS services like S3, EC2, DynamoDB, Lambda function.
- Exposure in any of the Databases -MySQL/Postgres/Oracle/DB2 etc.
Perks and Benefits:
- Flexible working hours.
- 5 days working
- Fun loving environment with ample scope for flexibility.
- Exposure to work for foreign clients
- Employee friendly leave & Company Policies.
- Best working culture
About the company:
CogniTensor is an analytical software company that brings data to the heart of decision-making. CogniTensor leverages its product, DeepOptics - an integrated platform to implement 3A (Automation, Analytics and AI) at scale.
Cognitensor has customers ranging in Finance, Energy, Commodity, Retail & Manufacturing. More details can be found on our website: https://www.cognitensor.com/">https://www.cognitensor.com/
Our strategic investors include Shell and CIIE.CO (IIM-A/Accenture).
Qualification & Experience:
- BE/B.Tech Degree in Computer Programming, Computer Science, or a related field.
- +2 years experience as a Software Developer.
- Hands on experience in developing finance applications is must
Roles & Responsibilities:
We are looking for a Full Stack Developer to produce scalable software solutions. You’ll be part of a cross-functional team that’s responsible for the full software development life cycle, from conception to deployment.
As a Full Stack Developer, you should be comfortable around both front-end and back-end coding languages, development frameworks and third-party libraries. You should also be a team player with a knack for visual design and utility. Along with familiar with Agile methodologies and testing skills
- Work with development teams and product managers to ideate software solutions
- Design client-side and server-side architecture
- Develop and manage well-functioning databases and applications
- Write effective APIs
- Write technical documentation
- Excellent communication and teamwork skills
Technical Skills:
Must Have
- React JS
- Git / Bitbucket,
- Express JS, Python, HTML, CSS, Node JS
- CI/CD like CircleCI
- Postgres or any DB knowledge
- Familiarity with AWS or Azure or both
Good to Have
- Docker
- Redux
- Android development
- React Native
- Electron
- GraphQL
- Jira
What’s in for you:
- An opportunity to lead a business segment
- Extensive liaising with customers and partners
- A rewarding career progression
Preferred Location:
Delhi NCR
Founded in 2000 by serial entrepreneurs who hailed from IIT Delhi. We are India’s one of the leading certification training providers, also awarded the ' Most Innovative Indian IT Company’ award by NASSCOM in 2004 . We are one of the first in the industry to launch online training for various technologies.
Job Description
We are looking for a fullstack developer who is proficient with React.js and nodejs. Your primary focus will be on developing user interface components, RESTful APIs and implementing them following well-known React.js workflows (such as Flux or Redux) and nodejs. You will ensure that these components and the overall application are robust and easy to maintain. You will coordinate with the rest of the team working on different layers of the infrastructure. Therefore, a commitment to collaborative problem solving, sophisticated design, and quality product is important.
Responsibilities
Developing new user-facing features using React.js
Developing lambda services using nodejs
Building reusable components and front-end libraries for future use
Translating designs and wireframes into high quality code
Optimizing components for maximum performance across a vast array of web-
capable devices and browsers
Skills
Strong proficiency in JavaScript, including DOM manipulation and the JavaScript
object model
Thorough understanding of React.js and nodeJs and their core principles
Experience with popular React.js workflows (such as Flux or Redux)
Familiarity with newer specifications of ECMAScript
Experience with data structure libraries (e.g., Immutable.js)
Knowledge of isomorphic React is a plus
Familiarity with RESTful APIs
Knowledge of modern authorization mechanisms, such as JSON Web Token
Familiarity with modern front-end build pipelines and tools
Experience with common front-end development tools such as Babel, Webpack,
NPM, etc.
Ability to understand business requirements and translate them into technical
requirements
A knack for benchmarking and optimization
Familiarity with code versioning tools such as Git, SVN and CodeCommit
Bachelor's degree in Computer Science, Software Engineering or related field
Any cloud certification such as AWS Certified Developer would be a plus
- 3-10 years experience
- Strong React, TypeScript, JavaScript
- Experience with NextJS and Material UI
- Experience with popular React.js workflows (such as Flux or Redux)
- Demonstrated mastery of HTML, CSS & JavaScript (ES6+)
- Good understanding of HTML, CSS, Javascript, jQuery, Bootstrap3/4, JSON & AJAX.
- Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model.
Backend server development & support with Node, JavaScript, JSON, REST, NoSQL, Cloud Native technologies like Docker & Registry, Kubernetes & Helm
- Skilled in data structures, algorithms, modularization, OOP, microservices, and design patterns
- Skilled in coding best practices using containers, packaging (npm, yarn), agility (with Git, Jira), unit testing (JEST), CI/CD (Jenkins), debugging, and ensuring high productivity & quality
- Exposure to security (OIDC/JWT, RBAC, monitoring, auditing)
- Good with learning, problem solving & innovation










