Fullstack Engineer | AI Specialist
Andrea
De Masi
I'm a software engineer in Rotterdam specializing in high-performance web systems and AI-driven applications. Currently, I am building the future of work at Passionfruit, focusing on autonomous AI agents. I am also the creator of Synclify, an open-source browser extension for synchronized streaming.
Experience
Passionfruit
Rotterdam, Netherlands
- Architecting the frontend of a next-generation AI agent platform, focusing on real-time LLM stream handling and responsive AI-to-user feedback loops.
- Developing sophisticated React-based interfaces to visualize complex ESG and regulatory data extracted by AI, transforming raw LLM outputs into actionable insights.
- Implementing complex state management for autonomous workflows, ensuring seamless 'human-in-the-loop' interactions when agents require user validation.
- Optimizing frontend performance for data-heavy compliance dashboards, handling multi-format document previews (PDF, XLSX) within an integrated AI workspace.
Tiledmedia
Rotterdam, Netherlands
- Designed, built, and launched the V1 Web SDK using Go and TypeScript, powering high-concurrency video playback for 100M+ users with a developer-centric API.
- Advanced the state-of-the-art in multi-video playback via Media Source Extensions (MSE), resolving critical race conditions in highly concurrent browser environments.
- Developed the core player UI from scratch using React, currently deployed across Web, iOS, and Android platforms.
- Leveraged Grafana and New Relic for comprehensive telemetry and error reporting, ensuring 99.9% playback reliability through data-driven optimizations.
Synclify
Italy
- Engineered a fast and lightweight video detection and syncing algorithm that outperformed screen-sharing alternatives.
- Deployed a serverless websockets container capable of handling 10k connections with a low memory footprint.
- Used React to create a simple-to-use user interface, doubling active users in two months.
Polito Rocket Team
Turin, Italy
- Development of the telemetry software for the award-winning "Project Cavour" rocket. The Arduino code achieved sub-second latency data transmission at 10000 feet.
JEToP
Turin, Italy
- Deputy Head of IT area. Managed and coordinated 20 associates, doubling training frequency and increasing production output by 300%.
- Project manager for JEToP's web presence, achieving a 100% Lighthouse performance score.
- Developed and deployed cross-platform mobile applications using Flutter.
Internship at Enhancers
Turin, Italy
- Agile development of a performance-focused UI for the Haier Cube 90 using React Native, collaborating with HQ in China.
- Developed a cross-platform application for the EU-funded PININ project, implementing blockchain-based supply chain tracking.
Education
Politecnico di Torino
Turin, Italy
- Bachelor's degree in Computer Engineering
Featured Projects