Production systems I've built, from IoT platforms at 2M device scale to AI voice agents and FinTech apps handling real transactions.

UnaConnect

Enterprise IoT

IoT middleware platform handling 2M+ devices at 500+ req/s. Fully serverless AWS backend (Lambda, DynamoDB, API Gateway, AppSync). Multi-protocol support across Sigfox, LTE-M, NFC, and BLE. ISO 27001 certified. Built and led a team of 7 engineers.

Built at UnaBiz · View Project

UnaConnect

Cagn'Up

FinTech

FinTech mobile app with handling real money transactions. NestJS monorepo backend with 14+ shared libraries, PayPlug payments with KYC verification, gift card fulfillment, and cashback system. ECS Fargate, Aurora Serverless v2, Terraform + Terragrunt.

Built at Germen / Garance Group · View Project

DealBreaker

AI Data Extraction

AI-powered data extraction for French investment portfolio documents. TDD-driven approach: defined expected outputs first, iterated prompts until tests passed. FastAPI + Google Gemini, compliance-grade accuracy across 6+ financial institutions.

Built at Germen / Garance Group · View Project

AI code review SaaS. Multi-LLM aggregation strategy delivering reviews at 40% lower cost than single-provider approaches. You review under your own name instead of a generic bot. Next.js, OpenRouter, multi-model routing.

Built at Personal Project · View Project

Infodeck Sage

AI Assistant

AI assistant for facilities management built on AWS Bedrock with multi-region setup. Natural language queries on IoT assets, automatic dashboard creation, 12+ action group Lambdas. Led a team of 4 engineers, 31 nested CDK stacks.

Built at Infodeck · View Project

Infodeck Sage

KegScan

Mobile App

React Native mobile app for tracking beer kegs using IoT sensors, Bluetooth connectivity, and QR code scanning.

Built at UnaBiz · View Project

KegScan

Available for freelance projects and consulting. Get in touch.