Dalimil Hajek

• Implemented the visual pipeline builder, which has grown into the main selling point of our company.
• Owning the frontend of the Pipelines team.

• 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.

• Transitioned Microsoft Office Online to React with a modern frontend stack.
• Worked across geographically distributed teams to drive adoption of our UI component library across the organization.

• 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.