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Abdul Aziz

Founder & Full-Stack Engineer

Full-Stack Developer · Founder, ZeezTech

abdulaziz2537@gmail.com github.com/zeezz7 Hyderabad, India zeeztech.com MSME UDYAM-TS-02-0321146
Node.jsNestJSReactNext.jsReact NativePostgreSQLDocker

Full-Stack Developer and founder of ZeezTech (a registered MSME) with 1.5+ years of production experience designing and shipping enterprise-grade web and mobile applications end-to-end. Specialized in NestJS, Next.js, React Native and PostgreSQL, with hands-on ownership of Docker, CI/CD (GitHub Actions + Komodo), and self-managed VPS infrastructure. Proven record of delivering complex multi-app systems — e-commerce, multi-tenant SaaS, point-of-sale, school management — from schema design and API to UI and production deployment.

Experience

Where I've shipped

Founder & Full-Stack Engineer · ZeezTech

2025 – Present

MSME UDYAM-TS-02-0321146 · Hyderabad, India

  • Founded ZeezTech, a registered MSME building production SaaS products for schools, retail, hospitality, and HR — handling product, architecture, engineering, infrastructure, and delivery.
  • Shipping flagship multi-tenant school-management platform (SchoolHQ / MySchoolApp) plus a workforce platform (StaffHQ) and several branded marketing properties.
  • Operating self-managed VPS fleet (Contabo) with Docker Compose, GitHub Container Registry, Komodo orchestration, Infisical secrets vault, MinIO object storage, and automated rollback.

Full-Stack Developer · NovaReach Solutions

Aug 2024 – Present

Startup

  • Architecting and building enterprise-grade full-stack apps with NestJS, Next.js, PostgreSQL, and Prisma — including a multi-tenant POS SaaS (NRPOS) with 8 apps and 48+ API modules.
  • Designing schemas, writing optimized SQL, and managing migrations with Prisma ORM.
  • Building REST APIs with JWT/Firebase auth, Socket.io real-time, BullMQ queues, and third-party integrations.
  • Containerizing apps with multi-stage Docker builds; deploying to Contabo VPS with GitHub Actions, GHCR, and Komodo deploy/rollback orchestration.
  • Implementing S3-compatible object storage (MinIO), Redis caching, and React Native mobile apps with ESC/POS thermal printing and offline sync.

Freelance Frontend Developer · Halal-Goes

Ongoing

Food Delivery Platform

  • Contributing frontend development to a Swiggy/Zomato-style multi-platform food delivery suite.
  • Building responsive web interfaces with Next.js 15, React 19, TypeScript, and Tailwind.
Projects

Things I've built end-to-end

SchoolHQ / MySchoolApp

Multi-Tenant School Management SaaS

Live

Solo Founder-Developer — Architecture, Backend, 2 Web Portals, Mobile App, DevOps

End-to-end multi-tenant school operating system covering admin, teacher, student, parent, and staff workflows — attendance, timetable, exams, fees (Razorpay), homework, transport tracking, staff geofenced clock-in, AI tutoring (Grok 4.1), and a super-admin portal for school provisioning and billing.

  • Multi-tenancy: single Postgres DB; per-school Razorpay credentials & secrets in Infisical vault.
  • AI tutoring: xAI Grok 4.1 (OpenAI-compatible) with role-scoped tool registry, SSE streaming, image + PDF input.
  • Geofenced staff clock-in: Haversine distance check, early/late warning modals, live map with pulse animation.
  • Automated parent comms: SMS/WhatsApp/Email auto-fire on absent-mark; daily 6 PM homework digest cron.
  • NCERT library: 33 textbooks (CBSE 6–10), 291 chapters auto-linked to teacher subject notes.

Elittra

E-Commerce Platform (Indian Traditional Clothing)

Live

Solo Developer — End-to-End (Frontend + Backend + DevOps + Deployment)

Full production e-commerce stack built and deployed solo: NestJS API, admin dashboard, customer website, real-time order pipeline, dual auth, payments, S3 storage, and CI/CD.

  • Deployment: Contabo VPS with full Docker containerization and automated CI/CD pipeline.
  • CI/CD: GitHub Container Registry → Komodo orchestration → automated build, deploy, and rollback scripts.
  • Real-time: Socket.io order notifications + low-stock alerts.
  • Order lifecycle: PENDING → CONFIRMED → PROCESSING → SHIPPED → DELIVERED with Stripe/COD tracking.
  • Engagement: coupons (global + user-specific), referral system, wishlist, reviews, search history.

NRPOS

Enterprise Multi-Tenant Point-of-Sale SaaS

Full Stack Developer (Team Project @ NovaReach Solutions)

Large-scale multi-tenant restaurant SaaS with 8 interconnected apps, 48 API modules, and 3 shared libraries: restaurant management, ordering, payments, HR, payroll (Australian ATO-compliant), AI agent (OpenAI), AI voice (ElevenLabs), Xero accounting integration, and ESC/POS thermal printing.

  • Backend depth: 48 modules covering POS ops, payroll-AU (ATO-compliant w/ LITO, Medicare, HELP, Superannuation), Stripe, Twilio, SendGrid, Xero.
  • Thermal printing: ESC/POS via Bluetooth & USB — kitchen dockets, customer receipts, category-based splits.
  • Offline mode: queue orders offline, auto-sync on reconnect, local menu/category caching.
  • AI: OpenAI agent + ElevenLabs voice; marketing automation, push notifications.
  • Testing: Jest, RTL, Supertest; Autocannon + Newman load tests (1k, 10k, stress).

StaffHQ

Multi-Tenant HR & Workforce Platform

Full Stack Developer (ZeezTech)

Multi-tenant HR & workforce platform for organizations to manage attendance (with geofencing + face-API biometric verification), clock-in approval workflows, leave requests, and per-organization website customization.

  • Architecture: Turborepo monorepo (Bun) — API, employee web, super-admin, marketing site, docs portal, shared UI library.
  • Biometric attendance: face-API integration + MapLibre geolocation with clock-in radius enforcement.
  • Stack: NestJS 11, Next.js 16, React 19, Prisma 6.1, PostgreSQL, Tailwind 4, MapLibre GL.

Halal-Goes

Food Delivery Platform (Freelance)

Frontend Developer

Multi-platform food delivery ecosystem with four apps — user app, rider app, restaurant web, admin web.

  • Stack: React Native (Expo 52), Next.js 15, React 19, TypeScript, Tailwind 4, Zustand, React Query, Supabase, Turborepo.
Technical skills

The toolbox

Backend

  • Node.js
  • NestJS 10/11
  • TypeScript
  • REST + Swagger/OpenAPI
  • Socket.IO
  • BullMQ
  • SSE streaming
  • Cron jobs
  • Guards & Interceptors

Frontend

  • Next.js 15/16
  • React 18/19
  • TailwindCSS 4
  • Shadcn UI
  • Radix UI
  • Framer Motion
  • Recharts
  • DnD-Kit

Mobile

  • React Native 0.81–0.85
  • Expo
  • React Navigation 7
  • Redux Toolkit
  • Zustand
  • ESC/POS printing
  • Firebase Messaging
  • Mapbox SDK

Database

  • PostgreSQL 15/16
  • Prisma ORM 6.x
  • Schema design
  • Indexing
  • Migrations
  • Redis 7 (ioredis + Bull)

Auth

  • JWT + Passport
  • httpOnly refresh
  • Firebase Auth (OTP)
  • bcrypt

AI & Voice

  • OpenAI API
  • xAI Grok 4.1
  • ElevenLabs (TTS)
  • SSE streaming
  • Role-scoped tool calling

DevOps & Cloud

  • Docker (multi-stage)
  • Docker Compose
  • Nginx
  • Certbot
  • GitHub Actions
  • GHCR
  • Komodo
  • Contabo VPS
  • Infisical
  • Cloudflare CDN

Storage & Payments

  • MinIO (S3)
  • AWS S3
  • GCP Cloud Storage
  • Stripe
  • Razorpay
Education

Background

QualificationInstitutionScoreYear
B.TechLords Institute of Engineering and TechnologyGPA: 7.3Aug 2024
Intermediate (11–12)Narayana Junior College90%—
10th (CBSE)Sultan-Ul-Uloom Public School89%—
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