
Abu Bakar S
AI Systems Architect, RAG, Voice Agents and Self Hosted n8n
Habilidades

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Experiencia laboral
AI Systems Architect & Automation Engineer
Self employed / Freelance • Trabajador autónomo
Jan 2024 - Present • 2 yrs 10 mos
Architected and deployed production-grade AI automation infrastructures, multi-agent systems, and custom internal tools for businesses looking to eliminate manual bottlenecks and recurring SaaS costs. Key Architecture & Engineering Deliverables: - Self-Hosted Automation Infrastructure: Deployed and maintained private n8n instances on Docker with custom webhooks, REST API integrations, error-handling pipelines, and caching for high-volume reliability. - Multi-Agent AI & RAG Systems: Engineered context-aware AI agents and Retrieval-Augmented Generation (RAG) knowledge bases using Pinecone vector search, embeddings, OpenAI, and Qwen LLMs. - Real-Time Voice & Messaging Assistants: Built low-latency voice and chat operations assistants using ElevenLabs, Vapi, WhatsApp Business API, Gmail, Google Calendar, and Google Drive. - Data Extraction & Document Parsing: Developed automated Apify web scrapers and Python parsers to extract structured data from PDFs, invoices, and RSS feeds into deduplicated Airtable and SQL CRMs. - Custom Command Dashboards: Built responsive React interfaces connected to n8n webhooks for live voice control, workflow monitoring, and CRM management.