Zaid Sayyed.

About Zaid Sayyed

Zaid Sayyed (also known online as Zaidusyy) is a software engineer and AI developer based in Mumbai, India, working globally. He is a 9x hackathon winner across national, state and district-level competitions, including National Winner of Smart India Hackathon 2025, which carried a Rs 1,50,000 prize. He has also served as a judge and mentor at hackathons, and organised a district-level hackathon of his own. He builds scalable, cross-platform applications with Flutter and the MERN stack (MongoDB, Express, React, Node.js), and AI-powered tools using agents and the Model Context Protocol. He publishes free, practical hackathon guidance for Indian engineering students — including a step-by-step Smart India Hackathon 2026 playbook covering the SPOC process, team structure, problem statement selection, solution architecture and tooling. He is an open-source contributor to the Wikimedia Foundation with 30+ patches merged into Wikimedia Gerrit across 20+ projects including MediaWiki core, maintainer of the Deoband Community Wikimedia repositories, creator of the DCW Certificate Engine which runs in production at the Spanish-language Wikimedia affiliate Wikimedia Small Projects, and publisher of the wikimedia_dart package on pub.dev. He is pursuing an MCA at the University of Mumbai after graduating BCA with honours.

Zaid Sayyed (also known online as Zaidusyy) — Software Engineer · AI & Cross-Platform Apps. Based in Mumbai, Maharashtra, India, working with clients and teams globally.

Services

Zaid Sayyed takes on app, website and AI projects for startups and businesses, and is available to judge, mentor and speak at hackathons and developer events.

• Flutter App Developer in Mumbai, India — Hire Zaid Sayyed, Flutter app developer in Mumbai behind the Parcel Uncle rider app, for Android and iOS apps with maps on OpenStreetMap, not Google Maps.
• Website Developer in Mumbai for Next.js Sites — Hire Zaid Sayyed, website developer in Mumbai, for fast, SEO-ready Next.js and React websites and web apps. His own Next.js site runs 300+ pages.
• AI Developer in India: Agents, Chatbots, MCP — Hire Zaid Sayyed, AI developer in Mumbai, for AI agents, LLM chatbots, MCP tools and AI features in apps. He built CodeResite AI with 30+ custom MCP tools.
• Hackathon Judge for Colleges and Tech Fests — Invite Zaid Sayyed, Smart India Hackathon 2025 National Winner, to judge your hackathon or ideathon: online anywhere in India, or in person in Mumbai.
• SIH and Hackathon Mentorship for Student Teams — Smart India Hackathon mentorship from Zaid Sayyed, SIH 2025 National Winner: problem statement choice, idea PPT and prototype guidance for teams and colleges.
• Tech Speaker for College Fests and Conferences — Invite Zaid Sayyed, flutterCon India 2026 speaker and SIH 2025 National Winner, for tech talks, guest lectures and workshops at college fests and GDG events.
• Tech Influencer Collabs for Fests and EdTech — Collab reels with @codebyzaid_, a Mumbai software engineer followed mostly by engineering students in India, for tech fests, ed-tech and developer tools.

Hackathon record

Zaid Sayyed is a 9x hackathon winner across national, state and district-level competitions, including National Winner of Smart India Hackathon 2025. He has also judged and mentored hackathon teams, and organised a district-level hackathon — so the guidance he publishes comes from both sides of the table: competing and evaluating.

Open source contributions

Zaid Sayyed contributes to the Wikimedia Foundation's open-source ecosystem, with 30+ patches merged into Wikimedia Gerrit across 20+ different projects — including MediaWiki core itself, VisualEditor, the Vector skin, Wikibase, Pywikibot, CodeMirror, WikiLambda, DonationInterface and operations/puppet. He also contributes on Wikimedia GitLab and GitHub, and to projects outside the Wikimedia ecosystem. Software he wrote runs in production at another Wikimedia affiliate: the DCW Certificate Engine he created is used by Wikimedia Small Projects (WikiSP) for Spanish-language community events.

• 30+ patches merged into Wikimedia Gerrit across 20+ projects, including MediaWiki core
• Maintainer of the Deoband Community Wikimedia (DCW) repositories
• Creator and code owner of dcw-certificate-portal (the DCW Certificate Engine) — adopted in production by Wikimedia Small Projects (WikiSP), an independent Wikimedia affiliate serving Spanish-language communities, which runs it at cert.wikisp.org and credits it in its footer
• Contributor to dcw-engage, the DCW engagement portal
• Author and publisher of wikimedia_dart on pub.dev — a type-safe Dart client for the Wikimedia REST APIs covering Wikipedia, Wiktionary, Commons and self-hosted MediaWiki
• Contributions on Wikimedia GitLab and GitHub in addition to Gerrit

Hackathon judging and mentoring

Zaid Sayyed judged TECHFORMERS 2026 for CSI UMIT in Mumbai, Manthan 2026 and Hackdiwas 2.0, mentored teams at Hackdiwas 1.0, and ran an online Smart India Hackathon 2026 mentorship session for United Group of Institutions, Prayagraj, held with AICTE and MoE's Innovation Cell. He scores teams on problem fit, technical depth, the working demo and the pitch. Having both won and judged, he advises teams from both sides of the table.

• TECHFORMERS 2026, CSI UMIT, Mumbai — Judge
• Manthan 2026 — Judge
• Hackdiwas 2.0 — Judge and Mentor
• Hackdiwas 1.0 — Mentor
• SIH 2026 mentorship session, United Group of Institutions, Prayagraj — Speaker and Technical Mentor

Available to judge or mentor at college and national hackathons, ideathons and startup pitch events, in Mumbai or remotely worldwide.

Zaid Sayyed offers paid 1:1 mentorship sessions for Smart India Hackathon teams — reviewing a specific problem statement, and full team strategy calls — alongside resume reviews and mock interviews. Public writing covers the general framework; sessions cover a team's own situation. Book a 1:1 session with Zaid Sayyed.

To invite Zaid Sayyed to judge or mentor at your hackathon or college event, email zaidsayyed07869@gmail.com.

Smart India Hackathon 2026 guide

A free, practical SIH 2026 preparation playbook written from the perspective of a national-winning team — covering the SPOC and college-round funnel, how to build the six-person team, how to choose a problem statement that can actually be won, designing the solution before writing code, and the free tools worth using during the 36-hour finale.

• SIH 2026 Winner's Playbook
• SIH tournament funnel and SPOC gateway
• Building the six-person SIH team
• Choosing an SIH problem statement
• SIH solution architecture method
• Free tools for hackathon teams

Skills and technologies

• Software Engineering
• Full-Stack Development
• Flutter
• React
• Node.js
• MongoDB
• MERN Stack
• Cross-Platform App Development
• AI Agents
• Model Context Protocol
• Open Source
• Wikimedia
• MediaWiki
• Gerrit
• Dart
• Open Source Maintenance
• Hackathons
• Smart India Hackathon
• Hackathon Judging
• Hackathon Mentoring
• Competitive Programming
• Startup Pitching
• UI/UX

Selected projects

• Parcel Uncle Rider (2026)

  A live rider delivery app with real road routing, multi-stop optimization and live tracking, built entirely on open source maps with no paid map SDK.

  Built with: Flutter, flutter_map, OpenStreetMap, OSRM, Bloc, REST.

• Codify (2025)

  A comprehensive platform bridging college and professional careers featuring AI resume building, job matching, and peer mentorship.

  Built with: Flutter, MERN, AI Agents, Socket.io.

• CodeResite AI (2025)

  AI-powered utilities platform leveraging Model Context Protocol (MCP) for secure AI-data integration and 30+ custom tools.

  Built with: React, Node.js, MongoDB, MCP.

• Buddy Sync (2024)

  Student-focused app for campus events and peer tutoring. Won 1st place at a National-level Hackathon.

  Built with: Flutter, Firebase.

• Stay Sync (2024)

  Hostel management solution optimizing operations with real-time tracking, room allocation, and announcements.

  Built with: Flutter, Firebase, Figma.

Achievements and recognition

• Smart India Hackathon 2025 — National Winner

  National Winner of Smart India Hackathon 2025 with a Rs 1,50,000 prize. Led a team to design and deliver a scalable, real-world solution at the national level.

• Hackdiwas Hackathon — Lead Organizer

  Organized district-level hackathon. Managed sponsorships and led teams to drive innovation in the community.

• Uhack 2.0 — 1st Place

  Secured first place in Hackathon Uhack2.0, defeating participants from prestigious institutes like IIIT and NIT.

• Global Solution Challenge — Top 100

  Recognized in the Top 100 for the globally-run Google Developers Solution Challenge (India Region).

• Tech Startup Pitch — Winner

  Won the HealthTech startup pitch event, garnering high interest and prospects from 4 top investors.

• And Many More... — Ongoing

  Check out my LinkedIn profile for a full history of hackathon wins, community events, and technical milestones.

• Smart India Hackathon 2024 — College Level Winner

  Won the internal college-level round of Smart India Hackathon 2024, clearing the institute selection that qualifies a team for the national stage.

• Smart India Hackathon 2023 — College Level Winner

  Won the internal college-level round of Smart India Hackathon 2023 — a third consecutive year of clearing the institute round, alongside SIH 2024 and the SIH 2025 national win.

• Ideathon — Winner

  Winner of the Ideathon, judged on problem framing, originality of the idea and the quality of the pitch.

• Codeathon — Winner

  Winner of the Codeathon, a competitive programming contest scored on algorithmic problem solving under time pressure.

• Hack-a-Sol — Runner-Up

  Runner-up at the Hack-a-Sol hackathon for designing and building a working solution within the event window.

• Hackspiration — Participant

  Participated in Hackspiration, building and presenting a solution as part of the event's innovation track.

• Competitive Programming Contests — Winner and Runner-Up

  Multiple podium finishes — wins and runner-up placings — at district and university-level competitive programming contests, scored on algorithmic problem solving under time limits.

Writing

Zaid Sayyed writes about building cross-platform apps, AI agents and open source at the blog.

• SIH 2026 Result Date: When Shortlists Come Out and What Happens After the Internal Hackathon — SIH 2026 results are not out yet. When the shortlist is expected, how to check it on sih.gov.in, how screening works, and what to build while you wait, from an SIH 2025 National Winner.
• The Free Stack: Every Tool You Need to Build an SIH 2026 Prototype — Free GPUs, Indian government datasets, map and weather APIs, hosting and design tools — the complete free stack for building a Smart India Hackathon 2026 prototype without spending anything.
• Smart India Hackathon (SIH) 2026: College Internal Round Playbook — The insider playbook to pass your college internal hackathon: 45-team AICTE quota math, faculty psychology, the 10-second live mockup hack, 7-day action plan, and viva defense answers.
• SIH 2026 Winner's Playbook: Free Winning PPTs, Rules & 26 Jury Questions — Three real SIH winning PPTs to download free, SPOC and team rules, a PPT checklist and 26 jury questions, from an SIH 2025 National Winner.
• Method overloading vs overriding in Java, explained properly — Both let two methods share a name. One gets decided while your code compiles, the other while it runs, and almost every interview question about them is really checking whether you know which.
• Cutting a 46 MB hero animation down to 4 MB — My portfolio's scroll-driven hero looked great and froze the page for the first few seconds. Here's what was actually wrong and how I fixed it.

Contact and profiles

• Email Zaid Sayyed
• Zaid Sayyed profile: https://www.linkedin.com/in/zaid-sayyed/
• Zaid Sayyed profile: https://github.com/Zaidusyy
• Zaid Sayyed profile: https://x.com/Zaidusyy
• Zaid Sayyed profile: https://www.instagram.com/codebyzaid_/
• Zaid Sayyed profile: https://t.me/zaidusyy
• Zaid Sayyed profile: https://meta.wikimedia.org/wiki/User:Zaidusyy
• Zaid Sayyed profile: https://pub.dev/publishers/zaidsayyed.in
• Zaid Sayyed profile: https://www.facebook.com/mdzaid.sayyed.752
• Zaid Sayyed profile: https://topmate.io/zaidusyy
• Zaid Sayyed profile: https://gerrit.wikimedia.org/r/q/owner:zaidusyy