# Skills — Abu Bakar Siddik

## AI & Intelligence

Retrieval, reasoning, and memory systems.

- RAG Pipelines
- Agentic Workflows
- Multi-Agent Systems
- LLM Fine-Tuning
- Vector Databases
- LangGraph
- LlamaIndex
- OpenAI Agent SDK
- Claude Agent SDK
- Pydantic AI
- Model Context Protocol (MCP)
- Evaluation Frameworks
- Prompt Engineering
- Embeddings
- Hybrid Search
- Reranking
- Time-Aware RAG
- Memory Systems (short-term, long-term, semantic)
- Citation Systems
- Hallucination Reduction

## Backend Engineering

APIs, databases, and scalable architecture.

- FastAPI
- Python
- NestJS
- TypeScript
- PostgreSQL
- Redis
- REST APIs
- GraphQL
- Hexagonal Architecture
- Event-Driven Design
- Test-Driven Development
- pgbouncer
- Connection Pooling

## Cloud & MLOps

Deployment, observability, and scale.

- Docker
- Kubernetes
- AWS EC2
- AWS S3
- AWS SageMaker
- GCP Vertex AI
- GitHub Actions
- Weights & Biases
- Private AI Deployments
- Air-Gapped Infrastructure
- Self-Hosted GPU Infrastructure

## Core Competencies

Craft, communication, and leadership.

- System Design
- API Design Patterns
- Code Review
- Technical Writing
- Data Annotation QA
- Team Leadership
- Mentorship
- Public Speaking