Full-stack engineer working in TypeScript (Next.js, NestJS, Fastify, tRPC, Prisma, PostgreSQL) and Flutter, owning everything from schema design to CI/CD and store release, across AI surveillance, sales operations, live-events staffing, field-service operations and sports booking.
Each one shipped to production. Click through for the full case study: problem, architecture, walkthrough and results.
An operations platform for an electrical, security, AV & telecom group: five portals over one decision gate, spanning quote-to-cash, procurement, workforce and billing.

Event companies staff certified freelance crew (matched, scheduled, paid) across web, iOS and Android from one codebase.

An internal sales platform (quote to sales order to invoice) wired into A‑SAFE's CRM, Drawing Tool and Route 66 ecosystem.

A B2B2C platform live in Pakistan: consumer Flutter app on the App Store & Play Store, Next.js admin dashboard, versioned NestJS API.

Computer-vision loss prevention for retail: theft, POS fraud and loitering flagged in real time across 100+ stores.

A phone agent that registers new patients in English or Spanish. A Retell LLM agent with five tool-calling functions saves to Postgres only after the caller confirms a read-back.
An event-driven TypeScript monorepo: strategy processes publish signals over Redis Streams to one execution service, and every trading limit lives in one pure risk function shared by the order gate and the settings screen.
A ZenML training pipeline with MLflow experiment tracking that predicts loan default on distributor-financing records, with KNN imputation, class weighting and five interchangeable classifiers.
Course and instructor reviews for IBA students: a Flutter app, a React web app and a Node.js and MongoDB API. I wrote the API, the Flutter app and most of the web app in a three-person team.
I'm Zohaib, a full-stack engineer with three production SaaS platforms live right now, including mobile apps on the App Store & Play Store and a marketplace running Stripe Connect payouts.
My strengths sit where most projects get risky: payments & billing (Stripe, wallets, reconciliation), realtime features, and APIs that don't break existing clients. I default to typed contracts, tested code and honest scoping.
BS Computer Science, Institute of Business Administration (IBA) Karachi, National Talent Hunt Program scholar, top 33 of 7,290 candidates.
Slidey LLC · Software Engineer II · Nov 2024 to Present