Senior AI Engineer
AI systems that hold up in production.
I'm Samiullah. I design multi-agent systems, retrieval pipelines, and the data infrastructure under them.
2+
years shipping production AI
7
agents under one coordinator
40+
live tool integrations
14+
langctl releases on PyPI
Selected work
Production systems, open-source tools, and published research.
rext.ai at Revnix
How a keyword becomes an article
The content platform I own end to end. LangGraph runs the stages and keeps state in PostgreSQL, and a person approves the outline before anything gets written.
- Discover topics
- Score relevance
- Draft the outline
- Approve by hand
- Publish to WordPress or Shopify
LangGraph, OpenAI, PostgreSQL, Redis, Docker
Visit rext.aiExperience
What I work with
Agents and orchestration
LangGraph, LangChain, coordinator-subagent patterns, tool routing, human review
Models and fine-tuning
PyTorch, Hugging Face, PEFT/LoRA, YOLO, classical ML
Retrieval and data
RAG fusion, multi-query expansion, reranking, pgvector, PostgreSQL, Redis, MongoDB, Alembic
Delivery
Python, FastAPI, Docker, AWS, MLflow, DVC, GitHub Actions, Next.js, React