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martinpercu/README.md

Hey, I'm Martin 👋

AI Solution Architect & Full-Stack Engineer based in NYC.

I build AI-powered business systems end to end, from agent orchestration and backend integrations to the interfaces and workflows people actually use.

With a background as a founder and software engineer, I focus on solving real business problems through thoughtful architecture, practical AI, and complete software products.


🚀 Featured Projects

🤖 Odoo AI Agent Production-Grade Voice-Enabled ERP Assistant → live demo

A voice-enabled AI agent that connects natural language to real business workflows in Odoo ERP.

Built as a multi-tenant SaaS application, combining a Next.js frontend with a FastAPI backend orchestrating a 21-node LangGraph agent.

  • Agent architecture: Keyword-first routing, LLM fallback, query planning, validation and execution.
  • Controlled actions: Entity resolution, clarification workflows and confirmation-gated CRUD.
  • Production-oriented engineering: Multi-tenant authentication, role-based access control, SSE streaming, computed analytics, OCR, exports and Stripe billing.
  • Voice interface: Speech-to-Text (Groq Whisper) + Text-to-Speech (Kokoro ONNX) with synchronized streaming
  • Quality engineering: 2,000+ unit/characterization tests and 180+ documented end-to-end evaluation scenarios.

Stack: Next.js · React · FastAPI · LangGraph · PostgreSQL (Checkpoints) · Odoo XML-RPC

🎯 TalentGraph AI-Powered Voice Recruitment Platform → live demo

A full-stack recruitment platform built around a LangGraph agent, combining candidate screening, recruiter workflows, resume analysis, and conversational AI.

  • Agent orchestration: 34 specialized nodes, conditional routing, and optimized fast paths.
  • Multi-model architecture: OpenAI and Anthropic models for different tasks.
  • Workflow automation: MCP integrations for Google Calendar and Gmail.
  • Real-time experience: Streaming conversations, voice interaction, and PostgreSQL-backed agent state.

Stack: Angular 19 · FastAPI · LangGraph · PostgreSQL · MCP

📚 AI-Trainer-Teacher Intelligent RAG-powered Educational Platform → live demo

An AI-powered educational platform combining document-grounded assistance, adaptive assessments, and course management.

  • Context-aware RAG: PDF retrieval with section-specific filtering and question reformulation.
  • Adaptive assessments: Timed exams, automatic saving, and session recovery.
  • Learning management: Administrative dashboards for courses, educational content, exams, and student progress.

Stack: Angular 19 · FastAPI · LangChain · Firebase · Vector Search


🔬 Applied AI Experiments

🎙️ Adaptive Restaurant ASR

An exploration of bilingual Spanish/English speech recognition in noisy restaurant and drive-thru environments, using noise diagnostics, model adaptation, and evaluation pipelines.

🍔 Menu Detector — Deterministic Speech-to-Order Interactive Demo

A confidence-aware pipeline that transforms noisy speech-to-text output into structured restaurant orders validated against a known menu. It handles corrections, bilingual phrasing, and ambiguous items without silently guessing. The Menu Detector implementation is private.

Also on the shelf: LangGraph agent templates (6 production-ready agentic patterns) · OAuth 2.0 & JWT deep-dives (PKCE, Auth Code, real-world API integrations).


🛠️ Technical Focus

Area Technologies
Agentic AI LangGraph, LangChain, MCP, tool orchestration, conditional routing
AI Applications RAG, model routing, STT/TTS, document retrieval
Backend Python, FastAPI, Node.js, REST APIs, SSE streaming
Frontend Angular, React, Next.js, TypeScript
Data & Infrastructure PostgreSQL, Redis, MongoDB, Firebase, Docker
Integrations ERP systems, Stripe, Google Calendar, Gmail, OAuth 2.0

👋 A Little About Me

  • 📍 Based in New York City.
  • 🚀 Former founder with a product-oriented approach to engineering.
  • 🌎 Fluent in English, French, and Spanish.
  • 🇺🇸 Authorized to work in the U.S. without sponsorship.
  • 🧠 Interested in agentic engineering, system design, and building software that solves real problems.

🤝 Let's Connect

📧 info@mart-in.us · LinkedIn · Portfolio · Certifications


"The quick shall inherit the earth. I ship clean, performant code every week — measured, not assumed."

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  1. Odoo-AI-Agent Odoo-AI-Agent Public

    AI-powered ERP agent for Odoo. Features a 21-node LangGraph backend with safe CRUD confirmation gates, SSE streaming. Includes real-time analytics with auto-generated Excel/PDF exports and proactiv…

    TypeScript 10 5

  2. Talent-Graph Talent-Graph Public

    AI-powered recruitment platform with LangGraph agent backend. Features intelligent candidate screening, multi-model orchestration (GPT-4o-mini + Claude Haiku), streaming conversations, and PostgreS…

    TypeScript 1 2

  3. AI-Trainer-Teacher AI-Trainer-Teacher Public

    AI-powered educational platform with intelligent RAG-based chat assistant. Features context-aware learning with PDF knowledge retrieval, adaptive exam system with auto-save, and comprehensive admin…

    TypeScript

  4. adaptive-restaurant-asr adaptive-restaurant-asr Public

    Self-improving bilingual (es+en) ASR for restaurant drive-thrus — noise-damage diagnosis, LoRA adaptation, deterministic keyword correction, and a closed-loop retraining flywheel.

    Python