Usman Khalid

Full Stack and AI Automation Engineer with 1 year of experience delivering MERN applications, AI chatbots, RAG systems, and workflow automations from development through deployment. Built and deployed 4 AI systems using LangChain, Pinecone, Groq, Hugging Face, and n8n, integrating Facebook Graph API, HeyGen, YouTube, and Google Sheets APIs. Strong problem solver who turns repetitive manual work, such as replying to customers, searching documents, and publishing videos, into reliable automated systems.

Experienced across freelance, project-based, and remote full-time roles.

AI Automation Developer - Self-Employed (Project-Based) - Rawalpindi

(2026-05)

• Solved the problem of repeated manual replies on Facebook Pages by building a live bot (Python Flask, Groq LLMs) that answers Messenger messages and post comments in real time.
• Integrated 3 services (Facebook Graph API, Webhooks, Google Sheets API) so every incoming event is received, processed, and answered automatically.
• Designed a two-tier reply system: a keyword FAQ engine answers common questions instantly from Google Sheets, and the LLM handles only the questions no keyword matches. Deployed the Flask backend on Vercel.

Junior AI Engineer - OptimAIze BE - Remote, Belgium

(2025-08 - 2026-08)

• Core technical team member who designed, built, and deployed 4 AI-driven systems and automation solutions over 12 months, owning each from requirements to deployment.
• Developed a Facebook Auto-Reply AI Agent (Flask, Groq LLMs, Graph API, Webhooks, Google Sheets) that removes manual replies to messages and comments by responding around the clock.
• Built a RAG Chatbot (LangChain, Pinecone, Groq, Firecrawl, Streamlit) that answers from uploaded documents and live web data, so answers are grounded in real sources instead of model guesses.
• Automated the full video workflow in n8n (HeyGen API, YouTube API): one text prompt generates an AI avatar video and publishes it to YouTube with no manual steps.
• Built an AI Customer Support RAG system (n8n, Hugging Face, Pinecone, Groq LLaMA 3) that finds the right knowledge-base content and answers customer questions from it.

Freelance Full Stack & AI Developer - Upwork / Independent - Remote

(2024-11)

• Turn client business problems into working software: AI chatbots and RAG systems (LangChain, Pinecone, Groq, Python) and MERN applications (React.js, Node.js/Express.js, MongoDB).
• Automated business workflows and third-party integrations with n8n and REST APIs; deployed projects to Vercel; managed requirements and delivery directly with clients.

Frontend Developer Intern - Anylatus ICT Services - Pakistan

(2025-04 - 2025-06)

• Built responsive interfaces and reusable UI components with React.js and Material UI in a team environment, improving mobile responsiveness and user flows.

Diploma in Software Engineering (3-Year) - Software Engineering - Aptech Computer Education Institute (2023 - 2026)

Intermediate in Computer Science (ICS) - Computer Science - Concordia College (2020 - 2022)