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Ahtasham Khan niazi

@ahtashamkhanniazi

Full-Stack Engineer building AI4U’s real-time voice-advisor workflows and client-focused web, AI, and Web3 applications.

Pakistan

Message

At Code Graphers, I delivered production web applications across frontend interfaces and secure REST APIs. I also engineered AI4U voice-advisor workflows using streaming LLMs, tool calling, pgvector-based RAG, real-time speech and avatar services, and AWS CI/CD.

As a freelance developer, I build and refine business websites, custom web applications, and responsive interfaces for client requirements. At Beard Brothers Technologies, I developed MERN and Next.js applications, integrated blockchain wallets and contracts, and contributed to an Electron/React VPN client.

Experience

Work history, roles, and key accomplishments

Current

Freelance Full-Stack Developer

Current

Independent Client Services

Build and refine business websites, custom web applications and responsive user interfaces for client requirements. Support application APIs, third-party integrations, technical planning, iteration and project handoff.

React Next.js NodeJS TypeScript MongoDB PostgreSQL REST APIs AWS

Full Stack Developer (MERN)

Code Graphers

Sep 2024 - Oct 2026 (2 years 1 month)

Delivered production web applications using React, Next.js, Node.js, Nest.js, Express.js and MongoDB, from frontend interfaces to secure REST APIs. Engineered AI4U voice-advisor workflows with streaming LLMs, tool calling, pgvector-based RAG, real-time speech/avatar services and AWS CI/CD.

React Next.js NodeJS NestJS ExpressJS MongoDB REST APIs JWT RBAC AWS CI CD RAG Pgvector LiveKit Deepgram Cartesia Heygen

MERN Stack Developer

Beard Brothers Technologies

Mar 2021 - Sep 2024 (3 years 6 months)

Developed MERN and Next.js applications with reusable React interfaces, REST APIs, MongoDB data models and responsive Material UI components. Built secure JWT-based access flows and optimized queries, indexing and application data handling.