a new quest begins
Hi, I'm Arun Mahajan, a recent graduate from PGMCOE, Pune Campus, where I studied Computer Science. I love building things and exploring new ideas. I'm a generalist who enjoys working on ideas, turning problems into products, and constantly experimenting with new technologies.
Loves life ยท Loves traveling ยท Loves playing sports
Journey So Far
Every stop, a story. Every role, a relic.
tap a stop to explore
Campsites Along the Trail
Independent Software Consultant
Jul 2025 โ Present
Partnering with startups, students, and businesses to build high-quality software products, from concept to deployment, across web, mobile, backend, and cloud platforms.
Learner
May 2024 โ Present
Learning and building full-stack applications with modern frontend, backend, and cloud technologies.
Learner
Jun 2023 โ Present
Learning modern DevOps practices by building and deploying cloud-native applications using Docker, Kubernetes, AWS, Linux, and CI/CD pipelines. Focused on automation, container orchestration, infrastructure management, and scalable deployments.
Learner
Jul 2023 โ Present
Focused on backend development using Java, Spring Boot, and SQL. Built RESTful APIs, implemented database-driven applications, and learned core software engineering concepts including authentication, data persistence, and application architecture.
Learner
Jul 2023 โ Present
Actively solving algorithmic and data structure problems across multiple competitive programming platforms. Focused on strengthening problem-solving, optimization techniques, and coding interview preparation.
legendary encounters conquered, each worth remembering.

One-stop solution for Linux lab issues. A campus PaaS where students download a script and problems vanish โ dependencies installed, databases configured, systems fixed in one shot.

A competitive programming companion app that aggregates upcoming coding contests from Codeforces, CodeChef, AtCoder, and LeetCode โ all in one place, organized by platform and filtered for today and tomorrow.

A secure, sandboxed code execution engine that runs untrusted code in isolated Docker containers โ built from scratch to power online judges and coding platforms.

An AI-assisted candidate assessment platform that tests how well candidates can work with AI rather than relying on outdated evaluation methods.
A Chrome extension that automatically mutes your tab when ads play during live sports streams, and unmutes when the match resumes.
A transaction merchant mapping API that maps thousands of transactions quickly and accurately to their respective merchants. Ran a pilot with a major Indian fintech company.
I contributed to the cal.com, fixed the issue, but cant clear the explaination to the maintainers well
A full-stack e-commerce platform with product catalog, cart management, order tracking, and payment integration.
take what you need, adventurer.