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ShimonNavon/README.md

Hi, I'm Simon Navon πŸ‘‹

DBA-minded builder turning practical systems into production-ready software

GitHub Email Focus


About me

I build software with a database-first, security-first mindset. My background is strongest in database thinking, system structure, and practical debugging, and I am actively expanding into Python, backend engineering, AI system architecture, and full-stack product development.

I like building in layers: backend β†’ database β†’ frontend β†’ integration β†’ validation. I care about clean boundaries, provider-neutral design, production readiness, and systems that are understandable enough to maintain under pressure.

Current direction: building AI-enabled products that combine orchestration, memory, local/API model providers, voice, avatars, and strong database foundations.


What I'm working on

EchoPersona

A provider-neutral AI persona system focused on chat, memory, identity, voice foundations, and future avatar/lip-sync capabilities.

Stack direction: FastAPI, PostgreSQL, SQLAlchemy, Alembic, pgvector, provider interfaces, local/API model support, STT/TTS boundaries, and eventually realtime UX.

AI Architecture Experiments

Exploring modular AI systems where orchestration stays separate from model providers.

Core idea: LangGraph + llama.cpp/Ollama/vLLM + LiteLLM + PostgreSQL can be a strong framework foundation, while still keeping the system model-agnostic and replaceable.

CRM / Product Systems

Working with CRM-style applications, backend services, deployment concerns, and low-resource server environments.

Data & Operations Tools

Interested in practical business systems, budgeting tools, dashboards, and structured workflows that make teams more organized.


Tech I use / study

Backend & APIs

Python FastAPI Pydantic REST APIs

Databases

PostgreSQL SQL SQLAlchemy Alembic pgvector

AI Systems

LangGraph LangChain Ollama llama.cpp LiteLLM Embeddings

Frontend & Product

Next.js React Tailwind CSS

DevOps & Workflow

Linux AWS EC2 Git pytest


How I think about engineering

  • Security first: build with professional boundaries from the beginning.
  • Database first: understand the data model before rushing into UI.
  • Layered delivery: validate each layer before stacking more complexity on top.
  • Provider-neutral AI: avoid locking architecture to one model vendor.
  • Practical debugging: prefer command-line validation, clear logs, and small controlled changes.
  • Maintainable code: readable structure, helper functions, less repetition, and explicit assumptions.

Architecture style I like

User Experience
     β”‚
     β–Ό
Frontend / Client
     β”‚
     β–Ό
Backend API Layer
     β”‚
     β”œβ”€β”€ Product Logic
     β”œβ”€β”€ AI Orchestration
     β”œβ”€β”€ Provider Interfaces
     └── Security / Validation
     β”‚
     β–Ό
Database + Memory Layer
     β”‚
     β”œβ”€β”€ PostgreSQL
     β”œβ”€β”€ Relational data
     β”œβ”€β”€ Vector search
     └── Audit-friendly structure
     β”‚
     β–Ό
Model Providers
     β”œβ”€β”€ API models
     β”œβ”€β”€ Local models
     └── Future replaceable providers

Personal working style

I learn best by building real systems step by step. I prefer small, testable progress over vague big rewrites. My favorite workflow is: define the boundary, implement the smallest solid layer, test it, document it, then move up.

One sentence version: I build practical, database-grounded systems with a security-first mindset and an eye toward AI-powered products.


Let's build systems that are understandable, reliable, and actually useful.

Email me β€’ GitHub

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