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Vijay Kumar

@vijaykumar13

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Full-Stack Developer | React, Next.js, Node.js | Building scalable web apps

India

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What I'm looking for

I'm looking for a remote opportunity where I can contribute as a Frontend or Full-Stack Developer.

I’m especially interested in teams that value clean code, collaborative problem-solving, and building impactful, user-focused products.

I'm a Full-Stack Developer with hands-on experience building scalable and user-centric web applications using technologies like React.js, Next.js, Node.js, and MongoDB. Over the past few years, I’ve contributed to diverse projects across fintech, e-commerce, SaaS, and hospitality domains, delivering high-performance frontend interfaces and robust backend APIs.

I enjoy solving real-world problems through clean code, intuitive UI/UX, and optimized system design. I'm comfortable working independently or in cross-functional teams, and I’m always eager to learn and adopt new technologies.

My core strengths include:

Building and optimizing React/Next.js apps
Developing RESTful APIs and microservices with Node.js
Working with NoSQL/SQL databases like MongoDB and PostgreSQL
Integrating third-party services and real-time features (WebSockets, Firebase)
Writing maintainable code following best practices and standards

Outside of coding, I enjoy exploring new tools in the JavaScript ecosystem, mentoring junior developers, and contributing to open-source projects. I'm actively seeking opportunities where I can grow while contributing meaningful impact to the team and product.

Experience

Work history, roles, and key accomplishments

Software Development Engineer (SDE-2)

Hcode Technologies

Built a platform connecting freelancers with clients, functioning as a digital marketplace for freelance work. Implemented backend microservices using Redis, Kafka, and Zookeeper for message handling and live chat.

Redis Kafka ZooKeeper TypeScript PostgreSQL Microservices API Development

Software Developer

AltCampus

Enhanced a Learning Management System (LMS) platform with interactive features using modern JavaScript frameworks. Implemented gamification techniques to improve user engagement and developed internal tools to streamline platform functionality.

LMS Gamification User Engagement Internal Tools

Software Engineer

Technogetic Pvt Ltd

Collaborated on a core payment gateway module for fintech, enabling businesses to accept payments and process payouts. Contributed to an internal frontend component library for an eCommerce platform, focusing on reusability.

Fintech Payment Gateways Ecommerce Component Libraries API Integration

React Manager | Frontend Engineer

Paytunes Digital Audio Advertising

Developed a platform enabling users to create AI-generated ads. Implemented backend APIs for scripting and generating audio, banner, and video advertisements.

React Backend Audio Editing Banner Design Video Advertising

Frontend Engineer

Incipient Infotech

Developed and delivered numerous responsive React applications, ensuring high-quality and user-friendly interfaces. Engineered a responsive event and booking platform with React, implementing features like real-time availability and secure booking flows.

React Responsive Design Real Time Availability Secure Booking Flows