Fullstack Developer (MERN Stack)

About the Role

We are hiring an experienced MERN Stack Developer who can independently build and scale full-stack applications from scratch. The ideal candidate must have strong skills in TypeScript, React.js, Node.js, Redux, and REST APIs, along with a solid understanding of microservices architecture, mobile API integrations, and responsive design.

Experience with LLMs, RAG architecture, Kafka, Redis, webhooks, and database systems like PostgreSQL, MySQL, and MongoDB is essential. You’ll be working on scalable systems, enterprise-grade platforms, and AI-integrated products.

Key Responsibilities

• Develop and maintain full-stack web applications using React.js (with TypeScript) and Node.js (Express/NestJS)
• Build and document robust RESTful APIs and mobile-ready endpoints
• Implement and consume webhooks for third-party integrations and internal event-based workflows
• Ensure responsive design principles across devices and screen sizes
• Integrate with mobile applications via secure and scalable APIs
• Work with databases including PostgreSQL, MySQL, and MongoDB
• Integrate Large Language Models (LLMs) and Retrieval-Augmented Generation (RAG) pipelines
• Build and deploy microservices architecture using Kafka, Redis, Docker, etc.
• Manage application state using Redux or Redux Toolkit
• Write test cases using Mocha, Chai, Jest, or similar frameworks
• Participate in system design, architecture discussions, and scalability planning
• Follow Agile practices, perform code reviews, and contribute to CI/CD pipelines
• Collaborate with cross-functional teams including UI/UX, DevOps, QA, and Product Management

Required Skills & Experience

• Minimum 4 years of hands-on experience with the MERN stack
• Strong proficiency in TypeScript, React.js, Node.js, and Redux
• Proven experience in building and consuming REST APIs and webhooks
• Deep knowledge of responsive UI/UX development
• Hands-on experience with mobile-first API design and integrations
• Strong knowledge of PostgreSQL, MySQL, and MongoDB
• Experience with Kafka, Redis, Docker, and microservices
• Exposure to LLM, GPT, RAG, or similar AI models
• Solid understanding of software architecture and ability to build systems from the ground up
• Working knowledge of API security, JWT, OAuth, and rate-limiting
• Familiar with test-driven development and QA practices
• Familiarity with Git, version control, and collaborative workflows good to Have
• Experience with GraphQL and gRPC
• Experience in building SaaS or AI-integrated platforms
• Familiarity with ElasticSearch or RabbitMQ
• Experience with AWS, GCP, or Azure
• Understanding of serverless and event-driven architectures
• 
  

Benefits

• Competitive compensation with performance-based hikes
• Flexible remote or hybrid work options
• Opportunity to work on cutting-edge technologies including AI and scalable SaaS platforms
• Strong leadership and learning-driven environment
• Learning budget for courses, certifications, and conferences

Role: Software Engineer (Integration)

Work Experience: Min. 2 years

About the Role

We are seeking a versatile Software Engineer (Integration) who thrives on solving complex technical challenges and connecting disparate systems with elegance and efficiency.

Responsibilities

●       Design, develop, and maintain robust integration solutions between multiple systems

●       Create scalable endpoints and implement efficient Cron jobs

●       Develop and optimize integration scripts using Python and JavaScript

●       Interface with legacy and modern systems, including SOAP and REST APIs

●       Perform comprehensive system mapping and data transformation

●       Architect solutions that bridge different technological ecosystems

●       Collaborate across teams to ensure seamless system interoperability

Technical Skills Requirement

1.   Programming Languages:

●       Expert-level JavaScript and TypeScript

●       Python scripting capabilities

●       Working knowledge of React

2.   Technical Expertise:

●       Backend development proficiency

●       SQL and NoSQL database integration

●       REST and SOAP API implementation

●       Endpoint design and optimization

●       System integration architecture

Soft Skills Requirements:

●       Exceptional problem-solving abilities

●       Strong client communication skills

●       Ability to ask precise, targeted technical questions

●       Adaptable and quick-learning approach

●       Detail-oriented with a holistic system understanding

Educational Qualifications:

●       Bachelor's degree in Computer Science, or a related field

●       2-5 years of professional experience

●       Proven track record of successfully connecting complex systems

●       Demonstrated ability to work across technological boundaries

Employment Type: Full-time

Work days: 5 days a week

Location: Udyog Vihar, Gurgaon

Key Responsibilities:

• Frontend Development: Build responsive, modern, and engaging user interfaces using React.js, ensuring a seamless user experience across all devices.
• Backend Development: Design and implement RESTful APIs, manage databases, and handle business logic using Node.js and Express.js.
• Database Management: Build and manage MongoDB databases, including schema design, data modeling, and query optimization.
• Cross-functional Collaboration: Work closely with UX/UI designers, product managers, and other developers to deliver high-quality, performant web portals.
• Performance Optimization: Implement best practices for performance tuning, scalability, and reliability across both frontend and backend.
• Code Quality: Write clean, maintainable, and efficient code, adhering to best practices, and conduct code reviews for your peers.
• Testing and Debugging: Write unit and integration tests, and debug issues to ensure stability, security, and quality in production.

Qualifications:

• Proven experience (3+ years) in full-stack web development using the MERN stack (MongoDB, Express.js, React.js, Node.js).
• Strong understanding of HTML5, CSS3, and JavaScript (ES6+), along with modern JavaScript frameworks and libraries.
• Experience with state management in React (e.g., Redux, Context API).
• Solid understanding of RESTful API design, asynchronous programming, and Node.js server-side development.
• Hands-on experience with MongoDB and integrating databases with Node.js.
• Familiarity with modern development tools and workflows such as Git, CI/CD pipelines, and containerization (Docker).
• Strong problem-solving abilities and an eye for detail.
• Ability to work in an agile development environment, with a focus on continuous delivery and iterative improvement.
• Excellent communication skills and the ability to collaborate effectively with cross-functional teams.

Preferred Qualifications:

• Familiarity with additional frontend technologies such as TypeScript, GraphQL, or Next.js.
• Experience with cloud platforms (AWS, Azure, GCP) and serverless architectures.
• Knowledge of performance optimization techniques and scalability best practices.
• Understanding of DevOps processes, containerization, and microservices architecture.

Why Join Us?

• Innovative Projects: Work on cutting-edge, high-impact projects that challenge your technical skills and creativity.
• Collaborative Culture: Join a team of talented professionals who are passionate about technology, learning, and continuous improvement.
• Career Growth: We offer opportunities for mentorship, skill development, and career advancement.
• Flexible Work Environment: Enjoy a healthy work-life balance with options for remote work, flexible hours, and more.

We are seeking a freelance .Net Developer with 8+ years of experience

What we are looking for!

Backend - .NET core, C#, and Entity Framework

UI – Angular or React

Cloud: Azure

DevOps tools: Jenkins, Kubernetes, Jenkins, etc

• Experience performing full-stack web and Windows application development
• 8+ years of relevant experience in Apps Development or systems analysis role
• 7+ years of web development in C#; .NET Core experience preferred
• 4+ years of experience in UI development using frameworks like Angular and ReactJs
• Experience with Web Services/ API
• 6+ years of MS SQL Server database development experience
• Solid experience with Bootstrap, jQuery, HTML, CSS, and JavaScript
• Experience with ASP .NET and MVC preferred
• Experience with Entity Framework / LINQ
• Experience with MS Visual Studio IDE; Visual Studio Code preferred
• Experience with SDLC tools, and DevOps processes including TFS, and Bitbucket.
• Experience with Windows Server operating systems including certificates and NAS/SAN connectivity.
• Experience with Azure Cloud and Azure DevOps.

• Understand platform requirements & coordinate with the development agency for smooth development of our platform
• Make incremental design or developmental changes on the platform on a regular basis
• Ideate & develop new features on our platform
• Conduct regular testing of website performance & fixing bugs (either through agency or by self, whatever applicable)
• Work with UI/UX designer to implement design systems & user experiences

• Proven experience of 2-3 years as a full-stack developer or similar roles
• Experience in developing scalable desktop and mobile applications
• Knowledge of multiple front-end languages and libraries (e.g. HTML/ CSS, JavaScript, XML, jQuery)
• Knowledge of multiple back-end languages (e.g. C#, Java, Python) and JavaScript frameworks (e.g. Angular, React, Node.js)
• Hands on experience with databases (e.g. MySQL, MongoDB), web servers (e.g. Apache)

• You are self-driven, scrappy and entrepreneurial
• You enjoy challenges and are excited to find simple solutions to complex problems
• You put users first
• You're a forever learner
• You want to work in a fast paced (read:messy) startup environment
• You're usually more aware of the hidden hacks & tools of a phone or a computer than most other people
• You like challenges & don't get bogged down by failure easily
• You are firm believer of the quote "if you're not a part of the solution, you're part of the problem"

• 3-12 years Senior level candidate should run department Independently.
• Should have hands on coding experience in Core Java, JSP, Servlets, JQuery, JavaScript, J2ee, Spring, Hibernate, TypeScript,  Angular 2/6/9, HTML, CSS3
• Microservices, CICD, Devops experience would be preferred.
• Release management
• Prepare detailed plan for the release, identify and manage risks
• Estimate time, effort and resources required for assignments
• Organize, delegate, track and coordinate team activities
• Provide visibility to senior leadership through regular updates
• Effective Interaction with Product Management, Domain experts on engineering related issues
• Design and development of subsystems and modules as per specifications
• Ensure team availability and responsiveness to production issues

As our Full Stack Engineer, you will be developing fast, reliable and scalable web applications while taking responsibility for shipping core backend features.

Roles and responsibilities:

1. Develop smooth, scalable and pixel-perfect web-app products
2. Architect, optimize and scale complex systems like the database engine and APIs
3. Follow TDD and write well designed, factored, and tested code
4. Develop new features and maintain existing code
5. Manage infrastructure and ensure security of applications
6. Solve complex product and engineering challenges alongside the core team

What we're looking for in you:

1. 4+ years of experience in Full Stack Development
2. Extensive programming skills with a proficiency in Java, Spring Boot and Javascript
3. Have strong fundamentals in systems design and RDBMS and NoSQL databases
4. Product minded: Strong UI/UX and design sense
5. Strong understanding of asynchronous request handling and dynamic web page development
6. Experience working with React.js, Next.js, Node.js, HTML, CSS, Redux, TypeScript
7. Stellar problem solving and research skills with the ability to design scalable systems
8. Exposure with AWS/GCP, Docker, Kubernetes and CI/CD Setups
9. Experience in functional, L& P and security testing

Benefits of working with Rivi:

• Stock Options
• Flexible work hours
• More responsibilities and more opportunities
• The chance to exponentially grow in your career, as Rivi grows
• Work on real innovation and a futuristic vision
• Enhance your skill-sets and knowledge
• Opportunity to learn about many different verticals
• Feel empowered and change things - We value ideas and suggestions
• Work in an inclusive culture where transparency, creativity, accountability and ownership is encouraged

Skills

• 3 to 7 Years of experience in Full Stack Technologies-  Express, Lambda, SQL, React, Node JS, Java
• Knowledge of web framework.
• Able to create database schemes that represent and support business processes
• Having a Start-Up experience is a plus
• Having a degree from Premier Engineering Institute is a plus

KRA 

• Work collaboratively in architecture/developing/maintaining solutions Design, efficient, testable, reusable, reliable, and clean code using best software development practices
• Contribute towards the entire development life cycle of analysis, design, implementation and test
• Integration of user-facing elements with server-side logic
• Automation, including writing unit and integration tests
• Maintain high standards of quality for code technical documentation, and deliverable
• Detect, report, investigate, and fix product defects
• Stay abreast of emerging technologies/industry trends
• Ability to learn a lot quickly
• Be active in the community by participating in meetups and conferences
• Participate in brainstorming and idea generation activities.

What Makes You A Great Fit

• Ability to communicate clear timelines and the ability to over achieve them
• Fast Learner, very good interpersonal skills, positive attitude
• Ability to pick something new and learn it fast whatever way possible

Location : 

 As Grip is a company started during the Covid-19 Era we believe in working from wherever you want and meeting you virtually every now and then.  

About the compnay : Grip:

GRIP is an online fintech company aimed at providing a convenient, hassle free investment experience through investing in physical assets. The company kickstarted its journey in 2019 and was founded by Nikhil Aggarwal, who previously served as the COO of Chalo and Vice President of Morgan Stanley. He also worked for the World Bank.

The leasing industry in India remains largely unexplored and GRIP's objective is to make retail investors aware of it as an investment option. Through GRIP, one can invest in physical assets leased to corporates and earn stable monthly returns. The proposition is not as volatile as the share market and the returns are extremely healthy. GRIP focuses on the employed upper-middle class spectrum and aims to provide an effective alternative to these investors.

Why Grip :

While we offer competitive cash compensation along with ESOPs to participate in our long-term growth, the real upside is simply the challenge ahead and the awesome, friendly team by your side. And an opportunity to learn and grow at a breakneck speed as we redefine the contours of finance for Investors in India.

What you need to have: