Next.js & React websites
Business websites, customer portals and web applications with responsive layouts, accessible interfaces and content search engines can read.
Next.js · React · TypeScriptFREELANCE / GURUGRAM, INDIA / REMOTE WORLDWIDE
Freelance full stack developer for your next idea.
Hire Harsh Kumar for freelance Next.js, React, Node.js and SaaS development. Based in Gurugram, India; available for remote projects worldwide.
Work directly with your developer.
I'm Harsh Kumar, a Senior Full Stack Developer and Technical Lead with more than three years of experience. I help businesses plan, build and improve web products using Next.js, React, Node.js and Python.
Whether you need a new website, a SaaS MVP or help with an existing system, we start with the business problem and agree on a practical scope. You work directly with me through development, review and handover.
See my development projects or read about my engineering experience.
What I can build for you
SaaS MVP development
Turn an initial product idea into a focused first release. Define the essential features, then build accounts, permissions, dashboards and subscription workflows around them.
SaaS architecture · PostgreSQL · StripeBackend & API development
Connect your product to reliable Node.js APIs, payment services and databases. Improve slow queries, integrate third-party services or introduce background jobs.
Node.js · Express · Redis · BullMQAutomation & product improvements
Reduce repetitive work with Python automation and connected workflows. Add real-time features, improve frontend performance, or extend an existing application.
Python · WebSockets · AWSA clear process, from scope to handover.
Define the work
Discuss your users, goals and existing systems. Agree on priorities, deliverables and milestones before development begins.
Review real progress
Work through the agreed scope with regular reviews. Test the experience across relevant devices and address feedback along the way.
Make the handover clear
Prepare the release, source code and setup notes. Discuss any ongoing development or support you need after delivery.
Freelance project questions
01Do you work with clients outside India?
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Yes. I am based in Gurugram, India, and available for remote freelance collaborations worldwide. My professional experience includes working with Australian and European client accounts.
02Can you work on an existing application?
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Yes. Share the current stack, the problem you want to solve and any access requirements. We can start with a code and requirements review before agreeing on the changes.
03What should I share before starting a project?
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Send your business goal, required features, target timeline and any designs or existing code. I can then discuss scope, delivery milestones and the most suitable way to work together.
04Do you offer ongoing development?
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Yes. I am open to ongoing product development, feature delivery and technical collaboration. Availability, responsibilities and support arrangements are agreed before the engagement starts.
Tell me what you want to build.
Share your idea, timeline and current setup. Let's discuss a freelance collaboration that fits the work.
Discuss your freelance project