Muhammad Shehzaib

@muhammadshehzaib

Full-stack Developer

Building clean, scalable products end-to-end with a focus on usability and performance.

Distributed SystemsEvent-Driven ArchitectureReal-time SystemsObservabilityMulti-tenant SecuritySemantic Search & RAG

Professional Experience

Curely

Full-stack Developer

*Engineered a scalable Node.js backend for Curely’s paid GLP-1 weight-management app, designing database schemas for injection/dose logging (e.g., Mounjaro), weight goals/trends, and macronutrient (calories, water, protein, carbs) tracking pipelines.
*Designed and developed the entire frontend and backend for both the comprehensive Admin Dashboard (centralizing mobile app data) and a custom Promoter Dashboard to track affiliate referrals and promotional analytics.
*Designed secure REST endpoints, establishing strict database constraints and transaction isolation levels to handle sensitive user data and coordinate with web-based payment and subscription flows.

NexDev Solutions

Full-stack Developer

*Enterprise Security & BYOK: Designed an enterprise-grade Bring Your Own Key (BYOK) database encryption engine using AES-256-GCM integrated with Azure Key Vault to secure tenant-isolated medical/financial records.
*Complex Drag-and-Drop Canvas: Engineered a custom form builder supporting 30+ dynamic elements using react-dnd, building a highly optimized canvas using Zustand & Redux Toolkit for zero-lag rendering.
*Multi-Role Compliance Workflows: Programmed a comprehensive workflow engine for 4 distinct roles (Admin to Submitter), designing database schemas in TypeORM and MySQL to enforce strict legal transitions.
*Optimized Mantine UI Interfaces: Designed responsive, modern interfaces using Mantine UI & Tailwind, integrating multi-step wizards, dynamic signature capture (react-signature-canvas), and operational dashboards.

Proof of Work

Writer's Heaven

A production-shaped blogging platform with real-time comments, semantic search, and a full observability stack on NestJS + Next.js.

NestJSNext.js 14TypeScriptMongoDBMongoose+8

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Apico

An open-source, privacy-first developer platform that processes HTTP requests and API testing entirely within local infrastructure.

Next.jsReactTypeScriptRedux ToolkitExpress.js+4

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AI PR Reviewer

An AI-powered GitHub bot that auto-reviews every pull request and posts inline comments — multi-provider (OpenAI, Gemini, Claude, Grok) with an encrypted key vault.

Next.js 16React 19Express 5TypeScriptPrisma+8

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UXClone

A self-hosted session-replay and product-analytics platform with a zero-dependency JS SDK plus native iOS, Android, and React Native SDKs — UXCam, but open source.

Next.js 16TypeScriptExpress.js