— Built a VS Code extension that autonomously generates JUnit tests for Java codebases using LLMs, AST parsing, and build-validate-fix loops — integrating JaCoCo coverage analysis and automated retry logic, cutting test-creation time by ~20%.

— Built Skills-PM, a terminal-native package manager for Amex's internal Claude skills ecosystem (TypeScript, Ink, Octokit) with multi-registry federation and a lock-file system, enabling discovery and install of 15,000+ skills without redundant cloning across 12+ teams.

— Designed a record-linkage system for France-market bill-payment adjudication — an 8-stage pipeline pairing Fellegi-Sunter probabilistic scoring with a calibrated LightGBM classifier over a 25-feature name-comparison vector, served via a Flask REST API.

— Built automated PR review agents on OpenCode and a Confluence-to-video documentation pipeline (Remotion + Claude); handled Dependabot, EarlyBird secrets-scanning, and OpenTelemetry instrumentation work across services.

— Developed a RAG-based conversational agent backend for large, sensitive documents using Spring Boot and Azure OpenAI, improving processing accuracy by ~30%.

— Designed and implemented a parallel processing framework for batch embedding creation, cutting document indexing time by ~80%.

— Built a prototype iOS app with an intuitive UI, integrating the backend via Alamofire.

— Scaled a Next.js + Sanity CMS platform to 200,000+ users on Vercel.

— Led integration of Typesense vector search, improving search precision by ~60%.

— Added serverless caching with Upstash Redis and custom lazy-loaded YouTube embeds — cutting operational costs by ~19%, lifting the Lighthouse score by ~20 points, and improving conversions by ~15%.