# Mubarak Shajahan — MK Comics > Personal portfolio of Mubarak Shajahan (Mohammed Mubarak, முகமது முபாரக்), Senior Software Engineer at Galent, Chennai, India. Full-stack + AI: React, Next.js, Node.js, Python, AWS, LLMs, RAG, agentic workflows. The site is written as a comic book; every number and quote on it is real. Career start: 21 June 2021. Senior Software Engineer at Galent (May 2026 – present); before that five years at Incresco (June 2021 – May 2026): Software Development Engineer → SDE 1 → SDE 2, building AI and full-stack platforms for Global University Systems. B.Tech in Information Technology, Sri Krishna College of Technology, Coimbatore (2018–2022, CGPA 8.01/10). Writes for 22,000+ developers on LinkedIn (10M+ impressions) about JavaScript, React and AI. Proof, all on the page: sole engineer on EF Academy's primary digital presence (1.25M+ monthly users, 23+ languages); replaced a licensed TIBCO integration pipeline with AWS Glue before the contract ended ($24,000 → $840 a year, a 96.5% cut); AI document processing with GPT-4 Vision + OCR (17+ document types at 95% accuracy, manual entry −70%, processing 7×); Chrome extensions saving admins 3–5 hours a day at 99.9% uptime; nine named testimonials quoted verbatim. ## Portfolio - [Home: the full portfolio on one page](https://mk-comics.vercel.app/): cover, numbers, Chapter 1 (the TIBCO → AWS Glue migration), Chapter 2 (eight case files with context, decision and outcomes), Chapter 3 (nine witness statements), Chapter 4 (roles), resume preview, skills, 2020 Flutter apps, contact. - [Case file 01: AWS Glue migration](https://mk-comics.vercel.app/#file-adr-001-tibco-to-aws-glue): the $24,000 → $840 integration rebuild. - [Case file 07: AI document processing](https://mk-comics.vercel.app/#file-adr-007-ai-document-processing): GPT-4 Vision + OCR across 17 document types. - [Resume (PDF)](https://mk-comics.vercel.app/resume/Mubarak-Shajahan-Resume.pdf): one-page resume, updated 2026. ## Blog - [The weekly strip](https://mk-comics.vercel.app/blog/): posts on the AI models and tools that matter to people shipping products, with dates, prices, limits and primary sources. - [Model watch](https://mk-comics.vercel.app/blog/topic/model-watch/): what Anthropic, OpenAI, Google and TypeSafe shipped, and what it means. - [Building with AI](https://mk-comics.vercel.app/blog/topic/building/): hands-on patterns for agents, caching, evals and tooling. - [From the case files](https://mk-comics.vercel.app/blog/topic/case-files/): lessons from production work. - [RSS feed](https://mk-comics.vercel.app/rss.xml): every post, newest first. ## Machine-readable - [Sitemap index](https://mk-comics.vercel.app/sitemap-index.xml): every indexable URL. - [robots.txt](https://mk-comics.vercel.app/robots.txt): AI crawlers (GPTBot, ClaudeBot, PerplexityBot, Google-Extended) are allowed. ## Contact - [Email](mailto:mohammedmubarakmk@gmail.com): mohammedmubarakmk@gmail.com; WhatsApp/phone +91 79041 00495. - [LinkedIn](https://linkedin.com/in/mohammed-mubarak): where the writing lives. - [GitHub](https://github.com/MDmubarak786): code and the daily contribution strip. - [X](https://x.com/MMubarakoo7): short notes.