Paul Hundal

Principal-level Android engineer with 11+ years building mobile platforms, developer tooling, CI/build infrastructure, and production app foundations at Toast, Square, Workday, Nike, and GoFundMe. Known for improving engineering velocity through platform migrations, build-system optimization, fast feedback loops, and pragmatic AI-assisted engineering workflows.

Principal Software Engineer / POS Productivity Tech Lead at Toast (2025-08 – Present)

• Led the Android 16 migration for Toast POS, coordinating compatibility, build, and release-readiness work across platform and product teams.
• Reduced repository build times by 20% and improved CI duration by 50% through build-system tuning, caching strategy, and pipeline improvements.
• Improved developer feedback loops by reducing CI time to first failure from approximately 2 minutes to 10 seconds.
• Introduced AI-assisted code review and migration workflows, growing the custom skill library from 0 to 10 repeatable workflows.

Staff Software Engineer at Square (2022-01 – 2025-08)

• Led Square Android Toolbox, centralizing onboarding and daily workflows for Android engineers across Square's ecosystem.
• Reduced mono-repository CI time by more than 10% and configuration time by 15% through caching, sharding, and build orchestration improvements.
• Built AI tooling that reduced average weekly on-call load by roughly 30%.
• Increased demo app adoption to improve local iteration speed and reduce build friction.
• Keynote speaker at DPE Summit 2023, presenting developer productivity strategy and platform tooling work.

Senior Software Engineer at Workday (2020-03 – 2022-01)

• Foundational member of the core mobile platform team, building shared networking, logging, session, and authentication libraries.
• Helped redesign mobile architecture through the Dependency Graph working group to improve local development velocity.
• Led network services improvements that increased partner satisfaction by 35%.

Senior Software Engineer at Nike (2018-06 – 2020-03)

• Led CORE pod modularization work, creating five leaf-node libraries across NRC, NTC, and Nike App.
• Delivered a VR retail product experience that contributed to 6% sales growth at Portland retail locations.
• Contributed to Nike mobile architecture standards for presentation-layer patterns and practices.

Software Engineer at GoFundMe (2014-12 – 2018-06)

• First Android hire and key contributor to the MVP release of GoFundMe's Android app.
• Helped define mobile strategy and led internal A/B testing and mobile analytics frameworks.

B.S. in Computer Science – University of San Francisco (2010-08 – 2014-05)