Jay Kumar Sharma — Freelance Full Stack Developer, App Developer & HRMS Software Specialist in Darbhanga, Bihar, India
Full-Stack Developer
I build secure, responsive, and high-performance applications — with 1.5+ years of experience shipping scalable SaaS products and solving real-world problems.
Freelance Web Developer & Mobile App Developer based in Darbhanga, Bihar, India. Specializing in HRMS software development, React, Next.js, Node.js, and modern digital solutions.
Services
What I work on
Focused on shipping reliable products across web and mobile.
Frontend
Modern, accessible interfaces with React, Next.js, and Tailwind CSS.
Backend
Secure APIs and scalable server-side systems with Node.js.
Full Stack
End-to-end product delivery — from database to deployment.
Mobile
Cross-platform apps with React Native and NativeWind.
Selected work
Working Projects
Live products I have built, shipped, and continue to improve.
Spirit HRMS
A full-stack SaaS application for employee attendance, leave management, and role-based access control.
Expertise
Technical skills
A practical stack I use to design, build, and ship production software.
Frontend
Backend
Databases
Mobile
Tools
FAQ
FAQ Questions
Clear answers about my work, stack, and availability.
Still have a question? Contact meI am a full-stack developer. I design and build web applications, SaaS products, HRMS software solutions, and mobile apps — from the user interface to backend APIs and databases.
My core stack is React, Next.js, TypeScript, Node.js, Express, MongoDB, and Tailwind CSS. I also build mobile apps with React Native, build enterprise HRMS software, and deliver custom WordPress development.
Yes. I am available for freelance projects, remote collaborations, and full-time contracts for clients in Darbhanga, Bihar, across India, and globally.
Spirit HRMS (employee attendance and leave management SaaS), EV rental platforms (Vertev), appointment systems, e-commerce, custom WordPress sites, and React Native apps. Selected work is on the Projects page.
Use the Contact page and share your goals, timeline, and budget. I typically reply within 2–4 hours with a clear next step.
Yes. Most of my work is web — Next.js and the MERN stack — and I also ship cross-platform mobile apps with React Native.
I am based in Darbhanga, Bihar, India, and work remotely with clients worldwide as a freelance developer.
Next step
Have a project in mind?
I am available for freelance work, collaborations, and full-time roles.