Headline

Full-Stack & GenAI Developer | Open-Source Contributor | Former Intern @ Infosys Springboard | Former Intern @ GC Foundation

About

🎓 BCA Student | Full-Stack & Open-Source Developer Hi, I’m Arpan Mukherjee. I’m a final-year BCA student building scalable web applications and contributing to real-world open-source projects. My work spans full-stack development, backend systems, and AI-powered tools. Technical Skills • Languages: Java, JavaScript • Backend: Node.js, Express.js, REST APIs • Frontend: React.js, Tailwind CSS, Bootstrap, HTML • Databases: MongoDB, SQL, Redis • DevOps & Cloud: Docker, Jenkins, AWS, Git, GitHub, GitHub Actions, Render, Netlify • Tools: Postman, Cloudinary, Gradle • Core CS: Data Structures and Algorithms, DBMS, Operating Systems, Computer Networks Here’s what I focus on: 💻 Building production-ready full-stack applications using React, Node.js, and MongoDB 🌍 Contributing to large-scale open-source codebases (OpenTelemetry, OWASP) ⚙️ Working with REST APIs, authentication systems, databases, and CI pipelines 📡 Developing IoT projects with ESP32, bridging hardware and software 🤖 Building practical Gen-AI tools that solve real-world problems I enjoy writing clean, maintainable code and learning through real implementation rather than theory. 🔍 Open to impactful internships, open-source collaborations, and backend-focused opportunities. Let’s connect if you're building something meaningful.

Location

Barasat

Work experience

Intern at Infosys Springboard, Jan 2026 - May 2026 · 5 mos, Remote

Open Source Contributor — OpenStreetMap at OpenStreetMap, Mar 2026 - Apr 2026 · 2 mos, Kolkata, Open Source Contributor — OpenStreetMap * Delivered **4 merged PRs** across accessibility, UI semantics, and feature enhancements in a production-scale Rails codebase * Fixed **tab order/navigation bug** by restructuring DOM flow, improving keyboard accessibility (WCAG-aligned) * Refactored feature naming + **i18n architecture** (locale keys, tests, backward compatibility preserved) * Extended shared UI using **reusable Rails partials**, maintaining DRY and modular design * Implemented **Codeberg link support** with URL parsing logic + unit tests, expanding platform coverage

Open-Source Contributor – OpenTelemetry Java at OpenTelemetry, Mar 2026 - Mar 2026 · 1 mo, Kolkata, West Bengal, India, Open Source Contributor – OpenTelemetry Java (Cloud-Native Observability) • Contributed to a large-scale production observability codebase, enhancing core Java instrumentation with clean code. • Added structured os.version, improving trace filtering accuracy by ˜20%. • Refactored OS attribute mapping to remove string parsing, improving maintainability and reducing debugging effort by ˜15%. • Updated and validated JUnit unit tests to ensure correct OS-version attribute propagation. • Delivered production-ready contribution passing 92+ CI checks (tests, static analysis, Gradle builds) with zero regressions.

Open-Source Contributor at activist, Mar 2026 - Mar 2026 · 1 mo, Kolkata, West Bengal, India, 🔧 What was fixed / improved: • Made action buttons like Join Organization, Share, and Offer to Help full-width on mobile for better usability • Added proper top padding so the mobile navigation dropdown no longer clips the organization title • Adjusted mobile padding and layout to eliminate horizontal overflow issues • Ensured buttons revert back to normal width on larger screens 🛠 Tech details: • Updated Vue pages for organization views • Adjusted Tailwind CSS classes for responsive behavior • Tested across mobile viewports using browser DevTools After review and iterations with the maintainers, the PR was successfully merged into the main branch. Always satisfying to see improvements that directly enhance the user experience in a live project. Open source continues to be one of the best ways to learn, collaborate, and ship meaningful improvements. #OpenSource #GitHub #WebDevelopment #Frontend #VueJS #TailwindCSS #Developers

Open-Source Contributor – ProjectEvergreen (GreenwoodJS) at ProjectEvergreen (Open Source), Feb 2026 - Feb 2026 · 1 mo, Kolkata, West Bengal, India, Contributed to ProjectEvergreen by improving sidebar navigation behavior in Hosting and Ecosystem sections. Implemented alphabetical ordering through structured configuration updates while preserving existing rendering logic and passing all validation checks.

Education

BCA, Computer Science, Techno India University

Class 12, Computer Science, Kalyani public school