Usama Munawar — Backend Systems Engineer for Laravel, VoIP & AI

Senior Backend Engineer helping SaaS founders, startups, and operations-heavy teams ship production-grade Laravel applications, automation infrastructure, VoIP/Asterisk platforms, and AI integrations. 180+ projects delivered, $145K+ earned, and 5+ years of senior-level backend engineering across Upwork, Toptal, and Fiverr.

What I Build

I architect and ship the backend systems your business depends on: scalable Laravel monoliths and modular services, multi-tenant SaaS platforms with billing, RBAC, and audit trails, versioned REST and GraphQL APIs with OAuth2 and rate limiting, queue workers, event-driven pipelines, and zero-downtime deployments backed by CI/CD.

I build self-hosted call centers on Asterisk and FreePBX — IVR flows, predictive dialers, SIP trunking, and CRM-integrated call workflows — plus real-time systems on Laravel Reverb, Pusher, and Socket.IO for presence, live dashboards, and chat.

On the automation and AI side, I ship n8n workflows, MCP agents, RAG pipelines on Pinecone and pgvector, and Claude/GPT-4 integrations wired safely into existing Laravel and Node backends with proper guardrails, evaluation harnesses, and observability.

Services

  • Laravel & PHP Development — production-grade apps with DDD, queues, and event sourcing.
  • SaaS & API Engineering — multi-tenant platforms, billing (Stripe, Paddle), OpenAPI specs.
  • VoIP & Asterisk — FreePBX, SIP trunking, predictive dialers, IVR, call analytics.
  • Automation Infrastructure — n8n, MCP, workflow orchestration, ops elimination.
  • AI Integrations — Claude, GPT-4, LangChain, RAG, autonomous agents.
  • Real-Time Systems — WebSockets, Reverb, live dashboards, chat, presence.

Explore

Work With Me

Whether you need a focused one-week Laravel sprint, a full three-to-six-week SaaS build, or a senior engineer on retainer for ongoing architecture and delivery, I offer clear scopes and honest timelines. Every engagement starts with a free 30-minute architecture consultation so we can align on goals, constraints, and success metrics before a single line of code is written.

Email devusamaworks@gmail.com or WhatsApp +92 303 8004684 to get started. You can also find me on GitHub, LinkedIn, Upwork, and Fiverr.