Zaid Sayyed.

I build scalable cross-platform applications and intelligent agents.

01 — What I do

I build scalable cross-platform applications.

02 — How I think

Bridging intelligent AI agents with seamless UX.

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About Zaid Sayyed

Zaid Sayyed (also known online as Zaidusyy) is a software engineer and AI developer based in Mumbai, India, working globally. 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 is a national-level hackathon winner (Smart India Hackathon 2025, Uhack 2.0) and an open-source contributor, primarily to the Wikimedia Foundation. He is currently 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.

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
UI/UX

Selected projects

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
Led a high-performing 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.

Writing

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

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

01Toolkit

02My Journey

How I got here.

Education, roles and the milestones that shaped how I build software.

2025 - 2027

MCA (Master of Computer Applications)

Mumbai University

Currently pursuing Master's degree to deepen my expertise in advanced computing concepts, software architecture, and modern application development.

2024

Full Stack Mobile App Developer

Difisec Technology (6 Months)

Architected and developed full-stack mobile applications. Handled end-to-end delivery of features, optimizing performance, and integrating robust backend services to ensure scalable mobile solutions.

Flutter App Developer & Team Lead

FSA Salon Academy (3 Months)

Started as a Flutter Developer Intern and was rapidly promoted to Team Lead within 3 months. Orchestrated mobile application development sprints, mentored team members, and delivered critical app modules.