Dimitrios Papageorgiou

Build and ship AI systems end-to-end, including multi-agent orchestration, retrieval pipelines with character-exact citations, and CI-gated evaluation harnesses. Apply agentic automation in real workflows using Claude Code, MCP server integration, and local LLM inference.

Owned more than half of the application despite a team of 7 QAs, covering the Today tab widgets, Crypto Bundles, Managed Portfolios, and full coverage of Earn/Staking and Alpha/Early Deals during a colleague's half-year leave. Built an end-to-end and API automation framework in Playwright/TypeScript with Maestro for mobile flows covering ~60 tests, virtually all the squad's endpoints, automating o

Cut API regression testing time by over 90% by replacing manual Postman schema validation with automated Jest execution (~300 ms per case). Authored and managed a repository of 300+ organized manual test cases, expanding functional and regression coverage.

Oversaw testing across mobile and desktop apps with a combined 5,000,000+ users, hardening the reliability of crypto and NFT transaction flows. Established the test automation framework for the Exodus Web3 browser-extension wallet, a product adopted by 100,000+ users.

Automated 400+ Selenium BDD tests for the DATIM platform, reducing defects by 80%. Conducted smoke testing across 50+ system deployments.

Developed and tested mobile applications for early-stage startups alongside full-time QA roles, handling end-to-end testing, App Store deployments, and iterative feature work.

Built an automation suite that cut manual testing for OTT systems by ~50%. Automated build, deploy, and smoke-test execution across 10+ repositories, increasing deployment frequency by 30%.

Automated 250+ test cases, reducing manual testing time by 40%. Implemented CI/CD pipelines and configuration management, improving deployment efficiency by 30%.

Built and shipped multiple iOS apps (Swift, Firebase, REST APIs, CoreML) to the App Store to deepen mobile engineering skills.

Certified Blockchain Expert certification obtained in 2022.

Oracle Certified Associate, Java SE 7 Programmer certification obtained in 2015.

Bachelor of Science in Information Systems from the University of Maryland, Baltimore County, completed in 2014.