Hey, I'mRahul Kumar

Building digital products that matter

I'm a Full Stack Developer based in Bihar, India. I craft clean, functional web experiences. Currently building Toolghar & MathToWord.

Get in Touch

About

Background

I'm a fullstack developer specializing in SaaS and high-performance web applications. Based in Bihar (Nalanda/Patna), I leverage modern technologies to build digital products that help businesses scale.

My core stack revolves around Next.js, TypeScript, and Node.js. I focus heavily on clean architecture, smooth user experiences, and systems that are built to last. Currently, I'm building Toolghar and MathToWord.

Location

Nalanda, Bihar, India

Education

M.Sc. in Data Science and Artificial Intelligence, Nalanda UniversityBCA, Patliputra University (Completed)

Certifications

Full Stack Web Developer (PW Skills)

Skills

Next.jsReactTypeScriptNode.jsPythonTailwind CSSMongoDBAI/ML

Experience

Apr 2026 — Present

Founder at Toolghar

Building Toolghar, a platform providing useful online tools and utilities.

Jan 2026 — Present

Founding Engineer at Wingit

Founding Engineer (Full-time, Remote).

Jun 2025 — Present

Founder at MathToWord

Founded MathToWord, an AI-powered SaaS converting mathematical notes to DOCX.

Apr 2025 — May 2025

Web Development Instructor at R-Tech

Conducted classes on HTML, CSS, JavaScript, and React.

Contact

I'm currently open to freelance projects, collaborations, and exciting opportunities. Whether you have a question or just want to say hi, I'll try my best to get back to you!

therahulkumar.dev@gmail.com

@therahulkumar9

therahulkumar9

GitHub