Muhammad Musaab

Building a commercial VPN product on WireGuard with DNS-based ad, malware and phishing blocking, deployed across 5 servers in multiple countries (one co-hosting an application gateway) — differentiated by multi-hop routing, split tunneling and flat, honest pricing.

• Architecting and deploying infrastructure across 5 servers in multiple countries.
• Implementing DNS-based ad, malware and phishing blocking.
• Designing multi-hop routing and split tunneling for enhanced privacy and flexibility.
• Building companion Android and iOS apps for server selection and connection management.
• Planning the phased rollout from infrastructure to a launched, paying product.

An AI-powered health monitoring and coaching platform giving coaches real-time visibility into client health data and progress, connecting to wearables (Apple Health, Google Fit/Fitbit) and using AI to generate insights and check-in prompts.

• Built a full-stack platform with React, TypeScript, Node.js/Express, PostgreSQL and Drizzle ORM, with coach/client roles, JWT auth, MFA and email verification.
• Developed a cross-platform mobile app (React Native New Architecture, Expo Router) shipping on Android and iOS, with native HealthKit sync and Google Fit/Fitbit OAuth integration.
• Built a provider-agnostic health data integration layer with pluggable adapters for new wearables and platforms.
• Implemented AI-driven insights and auto-generated coach check-in suggestions using the OpenAI API.
• Engineered real-time features with WebSockets for live dashboard updates and coach-client messaging.
• Built an admin dashboard for user/resource/subscription management with white-label branding support.

A Laravel-based classified ads marketplace with seller listings, buyer checkout and inventory-aware scheduling, extended with appointment scheduling and capacity management.

• Extended a Laravel classified ads marketplace with appointment scheduling, per-day capacity inventory and waiting lists.
• Built intake forms and age-restricted checkout flows.
• Owned full-stack features: DB migrations, APIs/controllers, Blade UI, front-end JS, and seller/buyer account flows.

Backend and cloud infrastructure for an international digital media company serving major TV and media broadcasters worldwide.

• Designed and built a dedicated S3 multipart upload microservice for large media files.
• Manage AWS infrastructure directly, including production deployments.
• Led PHP, Symfony and AWS version upgrades.
• Built a Dockerized development workflow with unit and functional test coverage.

A Google Family Link–style parental control platform letting parents monitor screen time, set app limits, activate family modes, filter web content via VPN/DNS and track location, across a NestJS API, React Native parent & child apps, and a web dashboard.

• Shipped a full product spanning a NestJS backend, React Native parent/child apps and a web dashboard.
• Built Android child enforcement with Device Owner, UsageStats, Accessibility Service, Room DB and WorkManager sync.
• Architected iOS child controls on Apple Family Controls / ManagedSettings / DeviceActivity, including Screen Time auth and WireGuard VPN via NetworkExtension.
• Implemented low-latency parent–child sync for limits, modes and usage via silent push.
• Integrated VPN + SafeDNS content filtering with per-child WireGuard provisioning.
• Delivered family modes (Bedtime, Study, Gaming, Family Time) with remote activation.

A full two-way accounting integration between a construction project management SaaS platform and Xero Accounting, replacing a legacy CODAT-based connector with a direct integration layer.

• Built OAuth 2.0 authentication, token refresh and entity synchronization from scratch.
• Synced suppliers, subcontractors, VAT/tax codes, nominal codes and contacts.
• Pushed invoices, labour applications, supply & fit items, variations and external costs to Xero.
• Implemented validation, auto-matching logic, error handling and retry mechanisms with integration status tracking.
• Collaborated with an Angular developer on real-time sync management UI.

A fixed-term remote engagement building billing and internal reporting APIs in an Agile environment with weekly sprint cycles.

• Integrated Stripe for billing, invoicing and webhook handling.
• Built ClickHouse-backed reporting APIs with daily/monthly aggregation.
• Delivered user management: email change requests, confirmation flows, secure token validation.
• Wrote a full PHPUnit suite (TDD, mocked services, data providers) covering APIs, payments and background jobs.

A Laravel-based social application for user-generated dance videos, with a custom streaming pipeline.

• FFmpeg-based video conversion (trimming, resizing, rotating).
• Chunked-delivery video streaming server.
• Social features: timeline, follows, likes, comments, chat.

A locker management platform with an Angular frontend on a Laravel API.

• Admin panel built with Laravel and Bootstrap 4.
• Multilingual CMS.
• Role-based access control (ACL).

A React Native field patrol app backed by a Yii2 API and admin panel.

• Yii2 backend API and admin.
• Multilingual CMS.
• Role-based access control (ACL).

An ERP platform deployed across 80+ campuses to manage admissions, finances, HR and daily operations.

• Role-based access with dynamic menus.
• Graphical dashboards and student reports.
• Payment gateway integrations, hostel and HR/payroll modules.

A full school operations platform covering academics, communications and hardware integrations for teachers, students and parents.

• Separate teacher, student and parent modules.
• Online testing and biometric device integration.
• Push notifications and mail/SMS gateway integration.

A public CMS plus an alumni platform with elections, reunions and social features.

• Role-based access, dynamic pages, events and media gallery.
• Alumni elections module with OTP-based voting.
• Student social dashboard, reunions and messaging.

A real-time field-operations system tracking vehicles and field staff.

• GPS location tracking with real-time map visibility.
• KPI dashboards and sales-target alerts.
• Role-based approval workflow.

A home automation system built on Arduino and Raspberry Pi hardware.

• Google Assistant and Amazon Alexa integration.
• Control, schedule and monitor nodes remotely.

A Shopify-like store management SaaS built on WordPress.

• Store signup with pre-configured templates.
• Subscriptions and online payments.
• POS and mobile app integration.

Early-career project building GSM/GPRS/EDGE-based remote data reception and device control, with PHP and Android APIs.