Haris Ellahi

• Built backend REST APIs with FastAPI for Ember AI's client platform, ensuring reliable third-party integration and high availability.
• Engineered browser automation & scraping pipelines (Puppeteer, Playwright, Selenium) for JobsNova, normalizing job listings from many sources at scale.
• Implemented anti-detection techniques and proxy rotation to keep scraping operations reliable and uninterrupted.

• Built core features of a 24/7 AI sales-agent platform — lead capture, qualification, automated follow-ups, and deal closing end to end.
• Engineered inbound & outbound real-time voice AI agents with LiveKit for fully automated customer conversations at scale.
• Orchestrated multi-step, stateful workflow automation with LangGraph, and built an MCP-based chatbot connecting LLMs to external tools.
• Developed Node.js (Express) services for real-time call handling and webhooks, plus React dashboards for lead and campaign analytics.

• Created and integrated AI chatbots & voice assistants into React apps, backed by Python Flask APIs and systematic prompt engineering.
• Integrated LLMs and STT/TTS APIs (OpenAI, ElevenLabs, Cartesia) and embedded RAG (LangChain) into LiveKit voice agents for sellagent.ai.
• Delivered production automation with n8n, HubSpot, LiveKit, Vapi and Retell.
• Built AWS pipelines — S3, EC2, ECS via Docker — and developed a custom MCP server with FastMCP plus a Gmail MCP module.

• Built ML classification systems (emotion, sentiment, multi-label text) and explored zero-shot, few-shot, and fine-tuned classification with Mistral.
• Applied RAG with Google Search API for domain-specific retrieval, summarization, and a health-guide chatbot.

CGPA 3.80 / 4.00 · ML, NLP, DSA, Databases, Software Engineering