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Zain Tahir

@zaintahir1

Message

I build full-stack AI, healthcare, and government platforms with React, Node.js, Laravel, and AWS.

Pakistan

Message

I'm building AI voice and web copilot experiences at Thinkrr.ai, connecting OpenAI and Anthropic APIs with real-time conversation state, Stripe billing, Twilio voice, calendar workflows, and CRM integrations.

I've shipped hospital-grade Laravel APIs for Cavan General Hospital and modular NestJS marketplace services for HelloGov, with a focus on data integrity, RBAC, audit-ready design, and production delivery.

Experience

Work history, roles, and key accomplishments

Current

Full Stack Developer

Current

Thinkrr.ai

Feb 2025 - Present (1 year 7 months)

Building AI voice and web copilot experiences integrating OpenAI and Anthropic APIs with real-time conversation state management. Developed end-to-end Stripe subscription billing, Twilio voice integration, and CRM integrations within a serverless microservices architecture on AWS Lambda.

React NodeJS OpenAI API Anthropic API Stripe Twilio AWS Lambda Amazon SQS EventBridge Step Functions AWS Layers Serverless Framework REST APIs Webhooks Jobber CRM Provider Calendars

Full Stack Developer

Custom Software

Apr 2024 - Feb 2025 (10 months)

Returned to Custom Software with expanded full stack responsibilities across frontend and backend. Contributed to client projects in React, Node.js, and Laravel across the full delivery lifecycle from scoping to production.

React NodeJS Laravel Fullstack Development Architecture Code Review

Software Engineer

Coding Crafts

Sep 2023 - Apr 2024 (7 months)

Developed features across client-facing products and internal tooling as a full stack developer. Adapted quickly across multiple codebases and team workflows in a fast-paced agency environment.

Fullstack Development Frontend Backend Agile

Junior Software Developer

Custom Software

Jul 2022 - Sep 2023 (1 year 2 months)

First full-time engineering role, building and shipping backend APIs and frontend features across multiple client projects. Developed in Laravel and PHP on the backend, JavaScript on the frontend.

Laravel PHP JavaScript Backend Development Frontend Development Clean Architecture Validation