Shipping full-stack productswith intelligent, real-time systems.

I'm Zain, a Full Stack AI Engineer specializing in scalable multi-tenant platforms, async state machines, and polished interfaces.

02 / CAPABILITIES

Engineering capabilities built on execution.

A focused overview of core capabilities spanning AI systems integration, scalable SaaS product architectures, and DevOps.

Trust & Reliability

I deliver on time, communicate clearly, and keep progress visible.

Crafting experiences powered by next-gen tech

  • JavaScript

  • TypeScript

  • Python

  • React.js

  • Next.js

  • Redux

  • Tailwind CSS

  • shadcn/ui

  • Figma

  • Node.js

  • Express.js

  • FastAPI

  • WebSockets

  • MongoDB

  • PostgreSQL

  • Redis

  • Supabase

  • AWS

  • EC2

  • S3

  • Amplify

  • Docker

  • CI/CD

  • GitHub Actions

  • Git

  • GitHub

  • Jira

  • WebRTC

  • FreePBX

  • Asterisk

  • LangChain

  • OpenAI API

  • Claude API

  • RAG Pipelines

  • Twilio Voice

  • SIP Trunking

  • ESLint

Flexible with time zone communications

GBUK
PKPakistan
USUSA

Remote

Based in Pakistan, working worldwide.

Production-ready software, shipped fast

Code You Keep

Clean & maintainable

Product experience across regulated, real-time and AI-first systems.

03 / EXPERIENCE

A track record of shipping systems.

Building production software, developer tooling, and real-time infrastructure at CCRIPT Agency and beyond.

May 2025 - Present

Senior Full-Stack Developer · DevOps

CCRIPT Agency · Remote

Leading full-stack delivery across enterprise SaaS, AI-assisted tooling, and multi-tenant workflows.

Selected systems & contributions:
  • BeBalanced: Medical AI chatbot with RAG pipeline and session persistence
  • JessiAI: Voice-enabled dementia care companion with WebSocket dashboard
  • NexaMortgage: Rebuilt mortgage platform to URLA compliance with RAG chat
  • SureHelp Insurance: Optimized database queries, reducing latency by 40%
  • Purchase Portal: Built order engine and multi-level approval workflows
  • SignWise Inbox: Unified mail inbox with live OAuth sync
Next.jsNode.jsPostgreSQLLangChainRAGAWS
Jan 2024 - April 2025

Full-Stack Developer

WJIKS · Remote

Built data-heavy intelligence platforms, plug-and-play VoIP systems, and 3D geospatial tooling.

Systems:

OSINT Platform: Real-time intelligence data viz dashboard for large datasets · Adaptive Voice Dialer: WebRTC dialer supporting 100+ concurrent calls · VoIP Billing: Multi-tenant VoIP billing with 99.9% uptime · Jadops 3D GIS: Telemetry visualization built with CesiumJS

Next.jsReactAsteriskWebRTCCesiumJSNode.js
Mar 2022 - Dec 2023

Full-Stack Developer · VoIP Engineer

Graana.com · Pakistan

Modernized the CRM stack and built the company's call-center infrastructure end-to-end.

Systems:

Worksapp CRM: WebSocket CRM sync and React Native mobile dialer · Call Center Backend: Contact center routing on FreePBX/Asterisk · ARMS CRM Dialer: SIP client that reduced manual dialing by 60%

ReactReact NativeNode.jsPHPFreePBXWebSockets
2021 - Present

Full-Stack Developer

Freelance · Contract

Shipped Web3, AI, and consumer products end-to-end for founders and small teams worldwide.

Systems:

Siher.eth: Web3 site builder with IPFS Pinata storage · Apply Pool: Conversational AI matches students to universities · ReferPool: Peer job referral AI chatbot with memory persistence · Beard Friends: Niche social platform scaled to 5,000+ active users · Twinsting: Commission marketplace with escrow payment workflows · Slick Magic AI: OpenAI + FFmpeg automated video creation SaaS

Next.jsReact NativeOpenAIFFmpegStripeWeb3

04 / CORE ABILITIES

The toolkit in orbit.

A polyglot stack chosen per problem. Hover any icon to bring it forward.

Developer insights · live from github

Github Activity

@zas512
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06 / GET IN TOUCH

Let's build something unforgettable.

~/zain.dev - bash