Fullstack Developer

Job Title : Full Stack Developer (Crypto Exchange)

Experience : 4+ Years

Location : Gurugram & Vadodara (On-site)

Role Overview :

We are looking for a Full Stack Developer with strong expertise in both backend and frontend development, along with exposure to crypto exchange systems or fintech platforms.

In this role, you will work on building high-performance, real-time trading applications, contributing to core systems like order execution, pricing engines, and wallet integrations.

Key Responsibilities :

• Design, develop, and maintain scalable backend services and APIs.
• Build and optimize responsive frontend applications for trading interfaces.
• Work on real-time systems such as order books, pricing engines, and trade execution.
• Integrate with blockchain networks, wallets, and third-party APIs.
• Ensure platform security, performance, and reliability.
• Collaborate with product, design, and DevOps teams for end-to-end delivery.
• Participate in system design, architecture discussions, and code reviews.

Required Skills & Qualifications :

• 4+ years of experience in Full Stack Development.
• Strong expertise in :
• Backend : Node.js and/or Python
• Frontend : React.js and/or Next.js
• Experience with REST APIs and microservices architecture.
• Strong understanding of databases (MongoDB, PostgreSQL, MySQL, etc.).
• Hands-on experience with Docker and cloud platforms (AWS preferred).
• Solid understanding of system design, scalability, and performance optimization.

Preferred (Good to Have) :

• Experience working with a crypto exchange or trading platform.
• Understanding of blockchain fundamentals (Ethereum, Bitcoin, etc.).
• Experience with wallet integrations and on-chain transactions.
• Familiarity with WebSockets and real-time data streaming.
• Knowledge of security best practices in fintech/crypto systems.

Why Join Us ?

• Opportunity to work on a high-impact, real-world crypto exchange.
• Build and scale systems from early-stage to production.
• Work in a fast-paced, ownership-driven environment.
• Exposure to cutting-edge blockchain and trading technologies.

Design, develop, and maintain full-stack web applications using the MERN stack (MongoDB, Express.js, React.js, Node.js)

Build reusable, efficient, and scalable front-end components using React.js and modern JavaScript (ES6+)

Develop RESTful APIs and microservices using Node.js and Express.js

Design and optimize database schemas, queries, and indexing strategies in both MongoDB and PostgreSQL

Implement caching strategies using Redis to improve application performance

Design and maintain relational database models with PostgreSQL, including complex queries, transactions, and stored procedures

Implement responsive UI/UX designs and ensure cross-browser compatibility

Write clean, maintainable, and well-documented code following best practices

Participate in code reviews, testing, and debugging to ensure application quality

Collaborate with cross-functional teams including designers, product managers, and other developers

Optimize applications for maximum speed, scalability, and performance

Implement security best practices and data protection measures

Integrate third-party APIs and services as needed

Participate in Agile/Scrum development processes

The Role

This role is anything but conventional- It is an opportunity to define and execute our plans and make an impact on the development of millions of children.

As our tech lead, you will work closely with the founders to crystallize and own the product roadmap and then, to bring the product vision to life through simple, elegant design & code that delights users.

You will be the key architect of the product and will help the engineering team build and maintain the product across mobile and web. 

You will own development and delivery of the code- including analysis, optimization and debugging.

Key Skills

3-6 years of experience with backend and frontend web-based application development

2+ years of experience with React / Redux + HTML/CSS

2+ years of experience with Python

Have some experience with databases (SQL, MongoDB)

Have created meaningful APIs and models that are flexible and scalable

About You

You will thrive in this role at KinderPass if you:

• Have a passion for our mission to re-imagine child health and development
• Have the drive to be part of building something new - to learn, to work hard, to be your best self and to adapt to the constant change and evolution of a start-up.
• Enjoy autonomy and flexibility but can work well in a team
• Count Ownership and Reliability as your key strengths
• Can communicate effectively

JOB DESCRIPTION

• Programming Language: Python. 
• Familiarity with some ORM (Object Relational Mapper) libraries Experience in Python web framework such as Django, Flask, etc.
• Good Knowledge in any SQL database administration Understanding of the threading limitations of Python, and multi-process architecture.
• Experience in developing modular plugins for any open source enterprise business web applications
• Knowledge in integrating third-party applications using any web service is also preferred.
• Strong background in Object-Oriented Programming Strong experience in PostgreSQL. Knowledge in HTML 5, CSS and XML/RML is must.

Responsibilities and Duties: 

• Knowledge in Python programming and Odoo ERP
• Knowledge in developing applications using Python.
• Knowledge about Web Technologies, Web Services Sound knowledge of coding, server deployment and troubleshooting.