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hombr33/README.md

Hi, I'm hombr33

Senior Software Engineer | Python & AI Engineer · LLM Systems · RAG · Search & Retrieval · Cloud

Building production-grade AI systems with Python — from intelligent APIs and agentic workflows to grounded retrieval, document intelligence, and scalable cloud infrastructure.

GitHub Experience Focus RAG and LLM Systems


About Me

I'm a senior software engineer focused on Python, AI/LLM systems, RAG, semantic search, vector retrieval, document intelligence, and scalable backend architecture.

My recent work has centered on building production AI systems that do more than call a model — they retrieve the right evidence, validate structured outputs, orchestrate multi-step workflows, and return grounded answers with traceable citations.

  • Building production APIs with Python, FastAPI, Pydantic, SQLAlchemy, and AsyncIO, with additional backend experience in Go, C#, .NET, and Node.js
  • Designing RAG pipelines, agentic workflows, semantic search, and vector retrieval with frameworks like Pinecone, Qdrant, and Milvus
  • Integrating Anthropic Claude, OpenAI, and Google Gemini
  • Building document extraction, classification, enrichment, and search workflows
  • Designing high-throughput backend services and distributed systems
  • Working with PostgreSQL, MongoDB Atlas, vector databases, and retrieval ranking
  • Deploying containerized AI services with Docker, Kubernetes, AWS, Terraform, and cloud infrastructure
  • Supporting AI products with React, Next.js, and TypeScript when full-stack delivery is needed

Tech Stack

Python & Backend

Python Python · FastAPI · Pydantic · SQLAlchemy · AsyncIO
Additional Backend Go (Golang) · C# · .NET · ASP.NET Core · Node.js · NestJS · Express.js
APIs REST · OpenAPI / Swagger · WebSockets · SSE
Architecture Microservices · Distributed Systems · Event-Driven Systems · Clean Architecture
Processing Async Processing · Concurrent Workflows · Background Jobs · Data Pipelines
Testing PyTest · Unit Testing · Integration Testing · API Testing

Python FastAPI Pydantic SQLAlchemy PyTest .NET C# Go Node.js

AI, LLMs & RAG

LLM Providers Anthropic Claude · OpenAI · Google Gemini
RAG Retrieval-Augmented Generation · Hybrid Retrieval · Context Grounding · Citation-Backed Answers
Search Semantic Search · Vector Search · Dense / Sparse Retrieval · Fuzzy Matching · Metadata Filtering · Ranking
Agentic AI Multi-Step Retrieval · Tool Calling · Workflow Orchestration
LLM Reliability Structured Outputs · Citation Grounding · Validation · Guardrails
Document AI Extraction · Classification · Enrichment · Reference Discovery
Embeddings Embedding Workflows · Vector Similarity · Retrieval Pipelines
AI Engineering Prompt Engineering · Context Construction · Evaluation-Oriented Design

Anthropic OpenAI Google Gemini RAG Semantic Search Vector Search Agentic AI

Data & Retrieval

Relational PostgreSQL · SQLite
NoSQL MongoDB · MongoDB Atlas · Redis
Vector Databases Pinecone · Qdrant · Milvus · pgvector
Search & Retrieval Semantic Search · Hybrid Retrieval · Embedding Indexes · MongoDB Atlas Search · Hybrid Ranking
Data Workflows Data Processing · Validation · Normalization · Deduplication · Batch Processing

PostgreSQL MongoDB Redis Pinecone Qdrant Milvus pgvector

Cloud & DevOps

Cloud AWS · Google Cloud (GCP) · Microsoft Azure
Containers Docker · Kubernetes · Docker Compose
CI/CD GitHub Actions · Jenkins · GitLab CI · Cloud Build
Infrastructure Terraform · Linux · Reverse Proxy · HTTPS
Observability Grafana · CloudWatch · Sentry · Logging & Monitoring

AWS GCP Azure Docker Kubernetes Terraform

Supporting Frontend

Frontend React · Next.js · TypeScript
Styling Tailwind CSS · shadcn/ui
Use Case AI chat interfaces · Search UIs · Admin tools · Operational dashboards

React Next.js TypeScript Tailwind CSS


What I Build

┌──────────────────┐
│ Documents / Data │
└────────┬─────────┘
         │
         ▼
┌──────────────────┐
│ Parsing /        │
│ Enrichment       │
└────────┬─────────┘
         │
         ▼
┌──────────────────┐
│ Embeddings +     │
│ Search / Ranking │
└────────┬─────────┘
         │
         ▼
┌──────────────────┐
│ Retrieval / RAG  │
└────────┬─────────┘
         │
         ▼
┌──────────────────┐
│ LLM / Agentic AI │
└────────┬─────────┘
         │
         ▼
┌──────────────────┐
│ Grounded Answer  │
│ + Citations      │
└──────────────────┘
  • AI-powered search and document intelligence platforms
  • RAG systems with semantic search and vector databases (Pinecone, Qdrant, Milvus, pgvector)
  • Agentic workflows with multi-step search and tool use
  • Citation-grounded LLM applications
  • Structured extraction and classification pipelines
  • High-throughput Python and Go APIs and asynchronous services
  • Data normalization, ranking, deduplication, and enrichment workflows
  • Production AI systems deployed on AWS with Terraform and containers

Selected Engineering Experience

Regulatory Intelligence & Agentic AI

Built and enhanced an AI-powered regulatory intelligence platform using Python, FastAPI, Pydantic, SQLAlchemy, AsyncIO, Anthropic Claude, semantic search, and vector search.

Key contributions:

  • Built multi-step agentic retrieval workflows
  • Integrated structured LLM outputs for document and reference extraction
  • Designed related-document discovery and enrichment pipelines
  • Implemented citation-grounded answers to reduce unsupported responses
  • Improved search quality with fuzzy matching, recency scoring, and metadata boosts
  • Separated LLM enrichment from deterministic search services
  • Added async processing, validation, error handling, and automated tests

High-Throughput Platform Engineering

Worked on high-volume gaming and transactional platforms including Crash, TurboGames, Slots, Jackpot, and WinBoxes.

Key contributions:

  • Optimized high-volume bet ingestion and stored procedures
  • Improved platform scalability for transaction-heavy workloads
  • Supported modular FastGame architecture and independent deployments
  • Modernized legacy components and upgraded SDK integrations
  • Improved maintainability, release flexibility, and production reliability

Real-Time Data & Financial Systems

Built backend infrastructure for real-time trading and brokerage platforms.

Key contributions:

  • Designed high-throughput APIs and transaction workflows
  • Integrated external financial and liquidity-provider APIs
  • Worked on low-latency and concurrent processing systems
  • Optimized database access and real-time data flows
  • Built reliable distributed backend services

Python Geospatial Automation

Developed Python automation for geospatial and surveying workflows using Python, ArcPy, and ArcGIS SDK.

Key contributions:

  • Automated repetitive spatial-data processing
  • Built reusable data-transformation and validation utilities
  • Developed batch-processing workflows for geospatial datasets
  • Improved engineering productivity through Python tooling

Engineering Principles

I focus on AI systems that are:

  • Grounded — responses should be supported by retrieved evidence
  • Reliable — structured validation, testing, error handling, and fallbacks matter
  • Scalable — retrieval and model workflows should handle growing data and traffic
  • Observable — production AI needs logs, metrics, and traceable behavior
  • Maintainable — probabilistic AI logic should be separated from deterministic application logic
  • Useful — AI should solve real workflow problems, not just demonstrate model capabilities

GitHub Stats

hombr33 GitHub stats Top languages

GitHub streak


Let's Connect

I'm open to collaborating on Python and Go backend systems, AI/LLM applications, RAG, semantic search, vector databases, document processing, retrieval architecture, and production AI infrastructure on AWS.

GitHub


Building reliable AI systems with Python, retrieval, and grounded intelligence.

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