YasirOS/resume

Resume

Yasir Arfat

Software Engineer & Systems Builder

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Summary

Software engineer with 7 years building and shipping production web applications end to end — from ambiguous problem framing to deployed, operable systems.

Now focused on React Native mobile development and AI engineering: integrating AI deeply into existing products, and practicing AI-augmented development to move fast without giving up rigor.

I build applications that create human convenience — coherent systems that feel intuitive, inevitable, and quietly powerful.

Currently focused on

React Native mobile developmentAI engineering & integrationAI-augmented developmentHuman-centered product systems

Experience

Software Engineer & Systems Builder

Independent · YasirOS

Design and ship full-stack products solo — architecture, interface, backend, infrastructure, and deployment.

  • Built YasirOS (yasirarfat.com): a browser-native operating system — a windowing kernel, app registry, and realtime layer hosting a platform of blog, tutorials, games, and social apps.
  • Architected realtime systems — WebSocket presence, WebRTC calls with adaptive bitrate, and friend-graph messaging.
  • Integrate AI into product surfaces and run AI-augmented workflows across the full delivery lifecycle.

Full-Stack Web Developer

Freelance & product work

Delivered web applications across the stack for a range of clients and products.

  • Shipped MERN and Next.js applications — authentication, REST and GraphQL APIs, and PostgreSQL / MongoDB data models.
  • Owned performance, scaling, and deployment — Linux servers, Docker, CI/CD, and caching.
  • Earlier work spanned Laravel / PHP and WordPress — a deliberate progression from vanilla JavaScript and CSS through to modern frameworks.

Skills

Languages

TypeScriptJavaScriptPythonPHPSQLC / C++Go

Mobile

React NativeExpoMobile UI / UXNative module integrationApp store deployment

AI Engineering

AI integration (LLM APIs)Prompt engineeringRAG & tool useAgent workflowsAI-augmented development

Frontend

ReactNext.jsModern CSS (Tailwind)State & data managementRealtime interfaces

Backend

Node.jsAPI design (REST, GraphQL)Databases (PostgreSQL, MongoDB, MySQL)Authentication & realtime systemsLaravel / PHP

Infrastructure

LinuxDockerCloud (AWS, Vercel, Firebase, Supabase)Deployment & CI/CDCaching, scaling, and server operations

Practice

System designData modelingPerformance & scalabilityDebugging & testingDocumentation

The full document

yasir-arfat-resume.pdf

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