About

Jay Kumar Sharma — About Jay Kumar Sharma | Full Stack Developer & Freelance Software Engineer in Darbhanga, Bihar, India

I am a Full-Stack Developer focused on building digital products that are clear, fast, and reliable. With 1.5+ years of experience, I specialize in modern web applications and SaaS systems.

My work is driven by curiosity and continuous learning — I use code to solve real problems and deliver a strong user experience.

Freelance Full Stack Web Developer and Mobile App Developer based in Darbhanga, Bihar, India. With 1.5+ years of experience, I build scalable SaaS platforms, enterprise HRMS software, and high-performance digital products. Specializing in React, Next.js, Node.js, Express, MongoDB, and WordPress development.

1.5+

Years experience

10+

Projects shipped

Jay Sharma

Experience

Work history

Full Stack Developer

Mithila Stack
2025 – PresentDarbhanga, Bihar, India

Leading development of scalable web applications and mobile solutions. Implementing advanced features like RBAC, real-time sync, and complex state management.

ReactNext.jsNode.jsMongoDBRedux ToolkitSocket.ioTailwind CSSExpress.jsTypeScriptReact Native

SDE Intern

Mithila Stack
March 2025 – Aug 2025Darbhanga, Bihar, India

Worked on live client projects involving full-stack web development. Collaborated with senior developers on API integration and bug fixing for production systems.

React.jsNode.jsExpress.jsMongoDBWordPressJavaScriptTailwind CSS

Capabilities

Core expertise

I use current tools and proven practices to ship work that holds up in production.

Frontend

Responsive, high-performance UI with React, Next.js, and Tailwind CSS.

Backend & APIs

Secure REST APIs and real-time systems with Express.js, Node.js, and Socket.io.

Mobile

Cross-platform mobile apps with React Native and NativeWind.

Full Stack

End-to-end development with MongoDB, RBAC, and JWT authentication.