Abdul Qadeer

Senior Software Engineer

Software Engineering Daily • Fulltime

Mar 2024 - Present • 2 yrs 5 mos

AI Full-Stack Engineer — Datics.ai, Lahore, Pakistan Apr 2024 – Present SYLA AI Chatbot — Hybrid RAG with Elasticsearch ● Designed and implemented an LLM-based system with a hybrid RAG pipeline combining semantic vector search and structured Elasticsearch filtering, reducing irrelevant LLM responses by 40% while holding production latency. ● Built orchestration logic for a tool-using agent in LangGraph, routing function calling and tool execution by user-intent classification for reliable multi-step task handling. ● Indexed structured business data in Elasticsearch with faceted filtering, enabling sub-second real-time retrieval for live production chat traffic. Technologies: Python, FastAPI, GPT-4o, Elasticsearch, LangChain, LangGraph, PostgreSQL, PGVector, Redis, Docker AI Sales Agent Platform — Multi-Tenant SaaS ● Built a multi-tenant AI platform with a document ingestion pipeline, vector-embedding storage, and an embeddable chat widget integrated into client websites and backend services via REST APIs. ●Implemented real-time chat with AI-to-human agent routing, RBAC, and per-tenant data isolation; automated onboarding with Celery and Redis, reducing setup time by 60%. ●Deployed to AWS EC2 with Docker and an Nginx reverse proxy, with logging and monitoring for production reliability, error handling, and iteration based on real usage. Technologies: Python, FastAPI, PostgreSQL, PGVector, Celery, Redis, AWS EC2, Docker, Nginx TAG — AI-Powered Process Modelling Platform ● Designed an agentic AI system enabling users to create and edit business process models through natural language, using LangGraph stateful memory for multi-step, multi-turn task execution. ● Integrated the AI system with backend services and APIs, and added Stripe subscription billing with tiered access control, per-plan API limits, and an admin ACL panel. Technologies: Python, FastAPI, LangGraph, LangChain, Stripe, PostgreSQL, Redis, Docker, JWT, RBAC