Available for high-impact builds

Full-stack engineering with infrastructure depth

Muhammad Umar

Full-Stack Developer · Infrastructure & DevOps Engineer

Full-Stack Developer with a strong foundation in infrastructure engineering, DevOps automation, and high-availability systems, now fully focused on building modern web applications. I design product systems that stay fast under growth, from the purchasing flow to the cloud foundation behind it.

Working across

Product engineering Cloud infrastructure E-commerce systems

10+

Years operating production systems

20+

Products and platforms delivered

400+

Locations and sites managed

mission brief
name Muhammad Umar
focus Scalable apps, infrastructure, DX
stack Astro, Next.js, Node.js, PostgreSQL
ops Azure, Docker, Cloudflare, observability
status open for selective engagements

$ shipping resilient systems

What I optimize for

  • Conversion-focused product experiences
  • Reliable infrastructure and deployment flow
  • Clean developer-facing systems for scale

Current mode

Partnering with teams that need product execution and infra judgment in the same room.

Work

Featured Projects

A selection of projects I've built — from e-commerce platforms to infrastructure tooling.

View all
active

Zoya Outfits — Full-Stack E-commerce Platform

Production-ready e-commerce platform with OTP-based checkout, product attribute system, multi-location inventory, and a full admin dashboard.

Next.js 15 TypeScript Prisma PostgreSQL Tailwind CSS
active

Multi-Tenant POS Backend

Scalable point-of-sale backend supporting multiple organizations, 100+ store locations, product catalogs, barcode systems, tax groups, and real-time sales sync.

Node.js TypeScript Prisma PostgreSQL Redis
Writing

Latest Articles

Technical writing on full-stack development, infrastructure, and engineering craft.

All articles
Career

Experience

A timeline of roles where I've shipped products and solved hard infrastructure problems.

  1. Full-Stack Developer

    Zoya Outfits

    2024 – Present Saudi Arabia

    Building full-stack web applications, e-commerce platforms and multi-tenant systems using Next.js, TypeScript and Node.js.

    • Built a production-ready Next.js 15 e-commerce platform with OTP-based checkout, order management and localized payment integration.
    • Designed and implemented a multi-tenant POS backend using Node.js and Prisma with entities for products, tax groups, barcodes, parties, custom attributes and multi-location stores.
    • Created secure authentication flows using BetterAuth, sessions and OTP verification, including role-based access control.
  2. Infrastructure & DevOps Engineer

    NAFT Services Company

    2023 – 2025 Saudi Arabia

    Designing and managing infrastructure, networks and DevOps automation for retail and industrial environments.

    • Designed and deployed infrastructure for 400+ locations including networks, servers, CCTV and automation systems.
    • Built network topologies using Cisco, UniFi, Ruijie and Sophos with VLANs, routing and enterprise Wi-Fi with focus on relabilty for harsh environments.
    • Managed data centers, Windows Server environments, Hyper-V virtualization and storage with backup and DR strategies.
  3. Senior System Administrator / Technical Support Engineer

    Previous Infrastructure Roles (Summary)

    2012 – 2022

    Managed Windows, virtualization, firewalls and collaboration platforms for large user bases across multiple locations.

    • Managed Windows Server and virtualization environments.
    • Supported firewall, mail and collaboration platforms.
    • Laid the foundation for current focus on DevOps and full-stack development.
Capabilities

Skills & Tools

Technologies I work with across the full stack, from infrastructure to the front-end.

Full-Stack Development

Next.js (App Router, Server Actions, React 19) TypeScript Node.js Express Hono React Zustand TanStack Query Framer Motion (basic) Tailwind CSS shadcn/ui REST APIs Basic GraphQL BetterAuth/Auth.js JWT OTP flows E-commerce Admin dashboards Multi-tenant SaaS apps

Backend & Databases

API design Modular service architecture Prisma ORM PostgreSQL SQL Server MySQL Complex relational schemas JSON fields Data sync for 100+ remote devices Node.js microservices Background workers Redis caching Job schedulers Logging & monitoring

Infrastructure & DevOps

Docker Azure DevOps (YAML pipelines, multi-env CI/CD) Cloudflare Tunnels Cloudflare R2 Object Storage & CDN LibreNMS + Redis Windows Server Linux (Ubuntu/Debian/CentOS) Network design (Cisco, UniFi, Ruijie, Mikrotik) Structured cabling CCTV Enterprise Wi-Fi PowerShell Bash Node.js automation CSP HSTS TLS hardening Zero-Trust patterns
Open to opportunities

Let's build something remarkable together

Whether you need a full-stack developer for a new product, an infrastructure review, or a long-term technical partner — I'm here.