Full Stack Developer - Node.js/JSON | React.JS
About the Company-:
SISL is a young IT Services organization with focus on Managed Services & Systems Integration. Professionally managed, we offer end to end solutions which are designed to resolve business challenges and adapt to the dynamic needs of Industry. SISL has grown rapidly in last 5+ years with its offices in Delhi, Gurgaon, Chandigarh, Mumbai and Bangalore. With an employee strength of 3000(approx), both on-roll and of-roll.
Since inception, we have won & retained over 100+ customers across Industry verticals like: IT & ITES, BFSI, Pharma, Telecommunications, Media, Retail, Hospitality, Manufacturing, FMCG, Government and PSU.
At SISL we believe that our experience and value proposition gives tremendous benefits to clients. These are:
- Integrated Multi-OEM management:
- SISL is long associated as a service partner with almost all OEM's who provide Network equipment- s, Operating Systems & Applications, High End /Servers, Desktops etc. This makes us a single source for all and any type of services required by customers.
About the Client-:
Vlink India Private Limited is a Private incorporated on 19 January 2010. Vlink is well known for delivering the highest quality and cost-efficient IT services and workforce management solutions to our clients. Our consultant base has extensive expertise in virtually every specialization within the IT value chain. Our team can quickly access your company's specific requirements and work with you to deliver a tailored and cost-effective solution. Our clients includes, : IT & ITES, BFSI, Pharma, Telecommunications, Media, Retail, Hospitality, Manufacturing, FMCG, Government and PSU.
Responsibility-:
- You will a part of the consumer tech team responsible for the development and maintenance of consumer products such as responsive websites, backend APIs, property search engines, user experience to name a few. Your primary focus will be driving user conversion by developing tech solutions that help our consumer find their dream home.
- We take pride in solving complex problems for our users and aimed to be their trusted advisor, so having strong consumer empathy is a must-have. You will be working alongside other engineers and developers working on different layers of the complicated system, hence a commitment to collaborative problem solving, sophisticated design, and the creation of quality products are essential.
Requirements-:
- Understanding business requirement
- Design a React JS and Node JS Application
- Should have worked on React JS in frontend and Node JS in backend
- Experience of building a application from scratch
- Ability to write well-documented and clean code
- Experience in automated test suites
- Able to diagnose and fix bugs and performance bottlenecks
- Understanding of REST APIs and JSON
- Client interaction

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Job Title : Java Full Stack Developer (React & Java )
Experience : 4 to 7 Years
Location : Pune / Chennai/Hyderabad
Notice Period : Within 15 days
Job Description :
Looking for passionate Java Full Stack Developers with strong expertise in React and Spring Boot Microservices to join our dynamic team. If you are looking for a challenging role in a collaborative environment and are ready to join immediately, we would love to hear from you!
Key Responsibilities :
- Design, develop, and maintain scalable web applications using Java, Spring Boot, and Microservices architecture.
- Build responsive and dynamic front-end interfaces using React.
- Collaborate with cross-functional teams to define, design, and ship new features.
- Ensure the performance, quality, and responsiveness of applications.
- Write clean, maintainable, and efficient code following best practices.
- Participate in code reviews, unit testing, and integration testing.
- Troubleshoot and resolve technical issues across the full stack.
Required Skills :
- 4+ years of Front-end development experience with React.js.
- hands-on experience in Java Full Stack Development.
- Strong proficiency in Spring Boot, RESTful APIs, and Microservices.
- Solid understanding of HTML5, CSS3, JavaScript, and TypeScript.
- Experience with SQL/NoSQL databases (e.g., MySQL, MongoDB).
- Familiarity with CI/CD pipelines, Git, and Agile methodologies.
- Excellent problem-solving and communication skills.
We are seeking a highly skilled Team Lead – MERN Stack Developer to lead the development and delivery of scalable, maintainable, and high-performance applications using MongoDB, Express.js, React.js, and Node.js. The ideal candidate will have strong technical expertise, leadership skills, and a passion for building innovative solutions. If you have experience in microservices, micro-frontends, message queues, Redis, CI/CD, and best practices for large-scale applications, we’d love to have you on our team.
Key Responsibilities
Technical Leadership & Team Management
- Lead and mentor a team of developers, ensuring smooth collaboration, technical growth, and high-quality deliverables.
- Assign tasks, set priorities, track progress, and ensure project deadlines are met.
- Conduct code reviews to maintain coding standards, ensure maintainability, and improve code quality.
- Promote a culture of innovation, continuous learning, and problem-solving.
- Architect and implement microservices, micro-frontends, and modular micro-apps for scalable and maintainable solutions.
- Collaborate with stakeholders to translate business requirements into technical designs and implementation plans.
- Optimize performance and scalability for large-scale applications with dynamic data flows.
Backend Development (Node.js & Express.js)
- Design and implement secure, scalable backend structures and APIs.
- Develop reusable tools and libraries to support a microservices architecture.
- Handle error management and debugging for seamless application functionality.
- Work with message queues like RabbitMQ, Kafka, or Redis for event-driven communication.
- Use tools like New Relic or Prometheus to monitor and debug production systems.
- Solve challenging technical problems with smart, scalable solutions.
Database Management (MongoDB)
- Design efficient and scalable database schemas for large-scale projects.
- Optimize database performance using indexing, aggregation, and advanced querying techniques.
- Leverage MongoDB features like sharding and replication to handle large datasets efficiently.
Frontend Development (React.js & JavaScript)
- Build and optimize reusable, high-performance React.js components and dynamic user interfaces.
- Develop robust solutions for complex UI interactions, including drag-and-drop functionality.
- Implement efficient state management using Redux, Context API, or React Query.
- Optimize web performance, including DOM manipulation, memory management, and responsiveness.
- Ensure applications adhere to WCAG accessibility standards and provide excellent user experiences.
Best Practices & Continuous Improvement
- Define and enforce coding standards, workflows, and best practices for high-quality development.
- Develop and maintain CI/CD pipelines for automated testing and deployment.
- Write secure and robust code to protect against vulnerabilities like XSS and CSRF.
- Regularly monitor and optimize application performance, security, and scalability.
- Stay updated on the latest trends in MERN stack technologies and software development practices.
- Collaborate with DevOps teams for containerized deployments using Docker and Kubernetes.
● Strong in data structure and algorithms
● Experience in Node.js, Express, API Design & DOM
● Understanding of component based design or other design patterns
● Experience with unit testing, integration testing & continuous integration
● RDBMS and NoSQL databases preferably PostgreSQL, MongoDB
● Good to have passion for investing
Position Responsibilities
● Be honest, reliable & consistent
● Write efficient & clean code
● Have a strong sense of ownership
● Be a part of development & maintenance of our company web app, Operations dashboard and
other 3rd party products we own
● Contribute to improving the quality of engineering process & engineering culture
Roles and Responsibilities
1. Ability to work on diverse backend stack such as Node JS, Express JS
2. Ability to work on diverse frontend stack such as Meteor JS, React JS, HTML5, CSS3
3. Ability to deliver quick POC’s using cutting edge technologies.
4. Preparing reports, manuals and other documentation on the status, operation and maintenance of software.
5. Design, develop, and unit test applications in accordance with established standards
6. Developing, refining, and tuning integrations between applications. Analyzing and resolving technical and application problems.
7. Ability to debug the application.
8. Should have complete knowledge of developing RESTful Services.
9. Should be able to also work in agile development methodology.
10. Work with designated JavaScript framework to design, develop, and debug web applications
11. Work with the team to manage, optimize, and customize multiple web applications
12. Manage end to end module lifecycle management of the product
13. Push and pull codes via Git repository
Competency Requirements
- Experience in NodeJS and development using MeteroJS
- Experience in front end frameworks - Meteor JS
- Experience in client/server application development
- Knowledge of agile development methodologies
- Knowledge of unit testing theory
- Knowledge of AWS cloud
- Knowledge of other frontend frameworks like ReactJS, AngularJS will be an advantage
The Full-Stack Engineer role involves working across prosuct development stack, including various backend systems, frontend systems as well as quick prototyping of proof-of-concept features and projects.
Responsibilities:
- Architecting Figuring out all levels of designing and structuring systems, deciding on optimal levels of abstraction and future-proofing, patterns of orchestration of components and finally planning its execution.
- Implementation Should be able to structure and write code like prose for others to read, design and adhere to common principles and patterns that make everyone better at their jobs. Should have the ability to contribute according to timelines and type of projects - from working POCs to stable production code and the ability to work with a large breadth of knowledge.
- Orchestration and integration Interact with the larger engineering team for integrating your work into the ecosystem, help others in building over the base that you provide, help in orchestrating your work into CI/CD, testing, QA and automation pipelines.
- Mentorship We all love to learn and grow as engineers and human beings and we believe in synchronous growth as a team fueled by each and every individual's personal abilities, specializations, and interests.
- To enable this you'll be required to mentor others by sharing your expertise in various forms and be subject to be mentored by others and thus maintain a continuous learning culture.
- Ownership End-to-end ownership of services and specialised components required for various projects - starting from prototypal stage to production-hardened. These may include anything from document parsing to solving problems using deep learning.
- Documentation Create advanced technical content including articles, samples, whitepapers, and training.
Job Requirements
- Excellent knowledge of full stack web application development.
- Candidates must have experience on any one of the popular frontend technologies (ReactJs, Angular, Vue.js).
- Candidates must have experience on any one of the popular backend technologies (Node.js, .NET Core, Java).
- Candidates with experience on ReactJS and Node.js would be preferred.
- Excellent knowledge of rest services-based microservice architecture.
- Having knowledge of Docker, Kubernetes and other Devops technologies would be nice to have.
- Experience with architecting highly optimized web based applications.
- Excellent technical, diagnostic, and troubleshooting skills.
- Good understanding of agile software development processes.
Job Responsibilities
- Guide the overall implementation of the solutions and address day-to-day technical issues related to the project.
- Work with cross-functional teams to create a shared vision.
- Educate teams about software development processes.
- Should be able to run teams and keep people motivated throughout the project.
- Ensure the product shapes up as envisioned.
Job Description
The ideal candidate is a self-motivated, multi-tasker, and demonstrated team-player. You will be a responsible developer helping our clients, either developing new products or enhancing products. You should be able to contemplate and communicate as much as possible!
Responsibilities
- Writing clean, maintainable, desired quality, desired performing code.
- Develop and support software including applications, database integration, interfaces, and new functionality enhancements
- Coordinate cross-functionally to ensure project meets business objectives and compliance standards
- Support test and deployment of new products and features
- Participate in feature brainstorm, code reviews
- Explore cutting edge technologies and taking up PoC line up.
Qualifications
- Team player
- Passion to solve problems
- Constant learner
- A degree in Computer Science (or related field)
- 4-7 years of relevant work experience
- Able to code in JAVA (with Spring framework)
- Ability to organize, and prioritize work
- Good at Object Oriented Design, Database Design(SQL/NoSQL), and Microservices
- Exposure to UI framework (React/Angular/Vue/Next)
- Exposure with Agile software development methodologies
- Exposure to any one public cloud (AWS/GCP/Azure)
- Exposure to cache, messaging systems, docker, API gateway
What we will not ask from you?
- Your current CTC, you'll be paid for what you deserve!
- If you had breaks in your career that's okay! We will not poke you on why you had your break blah blah...!
- Your notice period in current organization! If everything goes well, you let us know your joining date we will roll out the offer with joining the date as you say!
What's onboard for you as an employee?
- Empathy
- Generous package.
- Variable pay as low as possible (max 15% of your CTC)
- Medical Insurance (limited to spouse & kids) is not part of your CTC.
- Tax beneficial salary structure.
- Comprehensive leave policy
- Flexible Remote working
- Weekly Social Hour on working days
- Open-source Hour on working days
- Flat organization structure
- 15 days notice period (we wanted to keep it as same day exit! we would love to have you with us as long as possible.)
Next steps:
- Feel free to apply for this job if you like this JD.
- Good hands-on and experience in Ruby on Rails, NodeJS and React/Angular/VueJs
- Knowledge of an SQL Database like MYSQL, Postgres.
- Basic Knowledge of programming in basic data structures and algorithms.
- You should have good experience working with relational and non-relational databases. We use Postgres and Cassandra.
- Good knowledge of version management with git.
- Awareness of TDD.
- CI/CD knowledge would be a huge advantage
- Will to design and maintain large scale distributed systems.
- Minimum 3+ years' experience as a software developer.
- Proficiency in JavaScript, Angular.js, HTML 5, CSS.
- Familiarity with Git.
- Linux and/or OS X experience.
- Experience consuming API endpoints.
- Good to have - Kafka/queuing system
- Should be well-versed in using multiple Databases - SQL/NO SQL,
- Should have experience using in- memory Data Bases-Redis
- Experience with Unit-Testing.
- Experience building web applications with responsive design.
- Experience with Node.js and/or other server-side JavaScript technologies and tools.
- Strong knowledge of design principles, user interfaces, web standards and usability.
- ES6, React JS/JSX, Redux, Web pack, Immutable.js.
Desired Skills and Experience

















