MERN Stack Developer

Requirement:

● Role: Fullstack Developer

● Location: Noida (Hybrid)

● Experience: 1-3 years

● Type: Full-Time

Role Description : We’re seeking a Fullstack Developer to join our fast-moving team at Velto. You’ll be responsible for building robust backend services and user-facing features using a modern tech stack. In this role, you’ll also get hands-on exposure to applied AI, contributing to the development of LLM-powered workflows, agentic systems, and custom fi ne-tuning pipelines.

Responsibilities:

● Develop and maintain backend services using Python and FastAPI

● Build interactive frontend components using React

● Work with SQL databases, design schema, and integrate data models with Python

● Integrate and build features on top of LLMs and agent frameworks (e.g., LangChain, OpenAI, HuggingFace)

● Contribute to AI fi ne-tuning pipelines, retrieval-augmented generation (RAG) setups, and contract intelligence workfl ows

● Profi ciency with unit testing libraries like jest, React testing library and pytest.

● Collaborate in agile sprints to deliver high-quality, testable, and scalable code

● Ensure end-to-end performance, security, and reliability of the stack

Required Skills:

● Proficient in Python and experienced with web frameworks like FastAPI

● Strong grasp of JavaScript and React for frontend development

● Solid understanding of SQL and relational database integration with Python

● Exposure to LLMs, vector databases, and AI-based applications (projects, internships, or coursework count)

● Familiar with Git, REST APIs, and modern software development practices

● Bachelor’s degree in Computer Science or equivalent fi eld

Nice to Have:

● Experience working with LangChain, RAG pipelines, or building agentic workfl ows

● Familiarity with containerization (Docker), basic DevOps, or cloud deployment

● Prior project or internship involving AI/ML, NLP, or SaaS products

Why Join Us?

● Work on real-world applications of AI in enterprise SaaS

● Fast-paced, early-stage startup culture with direct ownership

● Learn by doing—no layers, no red tape

● Hybrid work setup and merit-based growth

Full Stack /Node. JS/ React.js Developer:

We are looking for  Developers 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 into the application. You will also be responsible for building rich UI components with React.

Skills: Node.js, React.js, MongoDB, Express JS, HTML, CSS.

Requirements:

• Should have experience on Node.js and frameworks available for it, such as Express or StrongLoop. Preferably Express.
• Should have experience in building Rich UI components with React.js.
•  Should have hands on experience on MongoDB.  
• Strong understanding of JavaScript, its quirks and workarounds.
• Knowledge of ES6, ES7 and Object-oriented and functional programming.
• Understanding the nature of asynchronous programming and its quirks and workarounds.
• Should have experience in working on Linux (Ubuntu) Environment and basic linux commands.
• Proficient understanding of code versioning tools, such as Git.
• Good to have knowledge on Redis DB.
• Good understanding of browser rendering behavior and performance.
• Good to have exposure working in an agile development environment.

Duties And Responsibilities

Coding backend for a stock analysis platform in Nodejs. You don’t.t need any experience or understanding of stocks for this position.
Nodejs - candidate must have good experience working with Nodejs and have a deep understanding of space -time complexity for writing optimized code in typescript
Typescript- candidate must know typescript and have good experience with it.
MongoDB and PostgreSQL - candidate must have experience working with both technologies. understanding of both technologies and designing scalable and optimized database structures

• 5+ years of working experience in the technologies like Angular6 or higher, NodeJS & MySQL, AWS Cloud Services
• Strong Hands-on with any Enterprise Programming Language (Python/.Net) in past
• Experience with architecting, designing, and debugging MEAN, full-stack based enterprise software
• Should have expertise in designing relational database tables & writing SQL Queries, Stored Procedures, and Functions.
• Ability to handle small teams and mentor them.
• Ability to analyze, design, and build object-oriented, component-based applications.
• Extensive experience in the design, planning, and implementation of complex large-scale enterprise solutions using distributed teams within process-oriented organizations.
• Experience developing and deploying applications on Linux based operating systems
• Willingness to experiment with new and latest tools and technologies.
• Experience in Banking, Credit Card Payments, and Gateways domain would be an advantage. ·

Role Features:

- With over 50 people across Technology, Product, Sales, Operations and other functions, we are ramping up our team to meet our goal of being a go-to destination fintech platform that delivers world-class products for merchants and customers.

- We are looking to add people to our team who are passionate about technology, products, consumer internet, payments & fintech.

- Credit Fair values people who bring intellectual energy to our workplace are able to contribute without constant supervision, are collaborative by nature and able to flourish under pressure. In return, we promise to provide you an environment that promotes meritocracy, values feedback and ideas, learns from its failures, and enjoys each other's company and contributions.

Skills you are expected to have :

- Technical Skills: PHP, Laravel, MySql, Jquery, Javascript, Python, React Native, PWA, Node.js
- Candidate should have experience in developing applications using PHP programming skills.
- Experience in python would be a plus
- Strong in DB knowledge
- Should be good with OOPS Concept
- Should be good in system design, architecture and development using object-oriented programming
- Should be good in writing secure and optimized code
- Experience in Laravel framework. If not then other PHP based frameworks like Codeigniter, Zend, CakePHP, symphony, etc.
- Good understanding/experience on software development methodology such as Agile, TDD, etc.
- Good understanding of source control tools and its use (SVN, Git, etc...)
- Experience in the development of Rest APIs and API testing tools such as postman etc.
- Experience in micro service-based development would be a plus
- Experience in queuing systems such as rabbitMQ, Active MQ etc.
- Experience in AWS cloud solution
- Experience in deployments and devops
- Excellent written and verbal communication skills
- Proactive, self-learner, thorough, organized and energetic
- Able to work across teams as well as independently
- Perform code review of peers
- Good analytical and communication skills
- Good experience in the Fintech domain (Payments/ Banking/ Wallets/ Insurance/ Financial Markets)
Primary Skills: PHP, Laravel, MySQL, Jquery, Javascript
Secondary Skills: Python, Rabbit MQ, AWS, CI/CD, React JS, PWA, Node.js, HTML, Jenkin