Osvaldo Restrepo
Senior Full Stack AI & Software Engineer
Full Stack AI Engineer with 10+ years building production software and 4+ years focused on applied AI. Currently architecting the backbone of TheGreyMatter.ai — 17+ vertical AI apps, shared identity/file/comms services, MCP servers, agentic systems, and iOS + Android clients — on a unified Azure + Cosmos DB + Claude stack. I build LLMs, RAG pipelines, AI agents, and voice systems that run in production, not demos. 20+ AI products shipped across healthcare, fintech, SaaS, and enterprise. PhD candidate in AI with medical research focus. Based in Panama, serving clients in the US, Canada, Europe, and Latin America.
Technical Skills
AI & ML:LLMs (Claude, GPT-4) · LangChain · RAG / Pinecone / Weaviate · Voice AI (Whisper, ElevenLabs) · AI Agents / MCP · Prompt Engineering
Backend:Python · FastAPI · Node.js · Express · PostgreSQL · Redis · Cosmos DB
Frontend:TypeScript · React · Next.js · Tailwind CSS · Framer Motion
Cloud & DevOps:Azure · AWS · Docker · GitHub Actions · Vercel · CI/CD
Integrations:Stripe · QuickBooks · Twilio · Zapier · n8n · REST / GraphQL
Experience
Artificial Intelligence Engineer
TheGreyMatter.ai
Nov 2025 — Present
Orlando, FL (Remote)
- •Architect GreyMatter 3.0 — the platform backbone (OAuth 2.0 + JWT federation, tiered billing, AES-256-GCM envelope encryption, Claude-powered agent orchestration) for a 17+ app SaaS ecosystem
- •Lead delivery of 17+ vertical AI apps on a shared stack (React + TypeScript, Azure Functions v4, Cosmos DB, Claude): DueDiligence9, Forecast9, Contracts9, Culture9, OrgDesign9, Pipeline9, SupplyChain9, Board9, SWOTAnalysis9, Operate9, ExitReady9, Integration9, NPS9, DDQ9, Interview9, and more
- •Build shared services: OAuth SSO + JWKS auth service (plus TS client SDK), centralized file service with envelope encryption and HMAC webhooks, templated communications service, and external connector service (Salesforce, HubSpot, QuickBooks)
- •Build MCP servers exposing Snapshot9, 9Vectors, and Measurement13 APIs to Claude agents with auth, rate limiting, observability, and audit logging
- •Develop agentic AI systems — The Fixer (compliance audit remediation), Vector_10 (9-vector ontology agent), TheHacker (automated security scanning)
- •Ship native mobile clients: iOS (Swift + SwiftUI) and Android (Kotlin) with OAuth federation against the central identity layer
- •Enforce RBAC, full audit logging, field-level PII encryption (Azure Key Vault), and event-driven ingestion pipelines across the ecosystem
PythonFastAPITypeScriptNode.jsReactAzureCosmos DBRedisDockerClaudeMCPSwiftKotlin
Artificial Intelligence Engineer
Shining Image Of Texas, Inc.
Nov 2021 — Nov 2025
Austin, TX (Remote)
- •Built AI-powered voice assistants for real-time call handling using Twilio, Whisper, GPT-4, ElevenLabs
- •Delivered end-to-end RAG systems with LangChain, Pinecone, and Weaviate for production use
- •Engineered multi-intent call agents (scheduling, lead capture, Q&A, fallback recovery)
- •Automated customer workflows and backend processes using scalable LLM-powered APIs
PythonNode.jsReactLangChainTwilioWhisperGPT-4PineconeWeaviate
Full Stack Software Engineer
Shining Image Of Texas, Inc.
Jan 2017 — Nov 2021
Austin, TX (Remote)
- •Built and maintained full-stack apps with Node.js/Express and React/Next.js
- •Integrated QuickBooks, Stripe, and Twilio — automated accounting work by 70%+
- •Deployed on AWS and Vercel with CI/CD pipelines and monitoring
- •Implemented auth, validation, and security layers following OWASP best practices
TypeScriptNode.jsReactNext.jsStripeQuickBooks APIAWSVercel
Technical Support Executive
Hyperware Solutions
Jan 2015 — Dec 2016
Chiriquí, Panama
- •Performed diagnostics, malware removal, and data recovery across hardware and software
- •Installed and configured LAN, Wi-Fi, and VoIP systems
- •Supported IT rollouts including server migrations and device lifecycle management
NetworkingHardware DiagnosticsVoIPTechnical Support
Education
Ph.D. in AI / Medical Research (in progress)— Technological University of Panama
2024 — 2027M.S. in Artificial Intelligence (in progress)— Tecnológico de Monterrey
2025 — 2027M.S. in Computer Software Engineering— Technological University of Panama
2023 — 2025M.S. in Higher Education— Latin University of Panama
2022 — 2024B.S. in Computer Science— University of the People
2019 — 2024B.S. in Computer Science— Latin University of Panama
2015 — 2020Certifications
Professional Certificate in Python for Data Science and Machine Learning — Harvard University
Languages
English (Native/Bilingual) · Spanish (Native/Bilingual)
Interested in working together?