Dalimil Hajek

• Currently building web frontend at Edge Delta...

• Driving web development of Twitter's Ads Exp Platform.
• Leading frontend (React, Redux, TypeScript) and application server (Node.js, Twitter services) parts of the platform.
• Integrating with Google Cloud and Big Data Systems worked on by data science and data engineering teams.

• Modernized Office Online front-end by replacing old framework with modern React components across all Office apps.
• Implemented the booking system and homepage of Microsoft's TakeLessons.

• Led a startup development team with two direct reports.
• Managed tasks, code reviews, and developed company's core-product web app.

• Developed web application front-end features of Google Hangouts Chat.

• Integrated Zed Attack Proxy (a web application security scanner) into Hotels.com

• Worked closely with HackerRank engineers to create new programming challenges and weekly contests.

• Wrote Scala code for company’s web backend services.

• Worked on the Android team on apps such as Antivirus & Security.

• Worked as a Tutor in my senior year (Teaching Support Contract).
• My dissertation project reached 30,000 active users and got acquired.

• Contributions to Mozilla Firefox, primarily Firefox Developer Tools.

• Contributed multiple improvements to Microsoft's leading UI/UX framework.