Irfan Ullah Khan

Confidential fintech client · Remote · under NDA

• Designed and built, largely solo, a production outbound AI voice-agent platform that calls leads and customers in 20 countries in their own language, with replies starting in about a second.
• Built the campaign dialler (pacing, per-country calling hours, retries, do-not-call, carrier failover), multi-carrier SIP routing with local caller ID, and a Kamailio SIP relay on AWS for a fixed-IP carrier.
• Added CRM sync (~13,000 contacts), a RAG knowledge base with an approval gate, compliance guardrails, call recording and analysis, and a Next.js operator dashboard — backed by 1,000+ automated tests.

SpaceBrain · Remote

• Built and operate an AI voice-agent SaaS answering live business calls in North America and Thailand.
• Own the full stack: Python voice pipeline, RAG knowledge bases, Next.js dashboard, Stripe billing, and observability.

Tameer-e-Khalaq Foundation · Islamabad, Pakistan

• Built and deployed an internal attendance and reporting system used by 500+ employees, reducing manual HR reporting time by 40%.
• Developed in-house systems for employee attendance tracking, issue management, and LMS distribution.
• Implemented real-time data collection and analytics tools using Laravel, NestJS, and Next.js.

Fiverr & Upwork · Top Rated Seller

• Delivered 80+ full-stack projects using Laravel, Livewire, React, Node.js, and Next.js.
• Specialized in AI integration, web security, and scalable system architecture.
• Managed cloud deployments across VPS, AWS, and cPanel environments.

Elemental Logix · Remote

• Led a team of developers creating SaaS solutions for home inspection businesses.
• Designed scalable backend APIs with NestJS and frontend interfaces using Next.js.

DynamoLogic Solutions · Remote

• Developed backend APIs and third-party integrations using Laravel and NestJS.
• Built interactive frontends using Vue.js and React.

SyncIt Solutions · Remote

• Managed an ISP management system with Mikrotik API integration using NestJS backend services.