Peter Hoang

Architected cross-device synchronization for mobile and web parity using C#, Spanner, and Pub/Sub, delivering seamless real-time updates across billions of devices. Designed a custom recurrence engine for appointment slots with Go, Spanner, and RESTful APIs, eliminating booking conflicts and significantly enhancing service reliability. Built integration layers connecting Meet and Chat via C#, Pub/Sub, and Bigtable, enabling instant communication and artifact sharing that boosted collaboration efficiency.

Senior Software Engineer at Google (2020-01 – Present)

• Architected cross-device synchronization for mobile and web parity using C#, Spanner, and Pub/Sub, delivering seamless real-time updates across billions of devices.
• Designed a custom recurrence engine for appointment slots with Go, Spanner, and RESTful APIs, eliminating booking conflicts and significantly enhancing service reliability.
• Built integration layers connecting Meet and Chat via C#, Pub/Sub, and Bigtable, enabling instant communication and artifact sharing that boosted collaboration efficiency.
• Created multi-calendar conflict detection system leveraging NodeJS, Bigtable, gRPC, and BigQuery, dramatically accelerating scheduling decisions and improving user satisfaction.
• Optimized large-scale meeting scheduling infrastructure supporting up to 100k guests with Go, Spanner, and gRPC, slashing processing latency by 40% during peak loads.
• Integrated Gemini AI for automated note-taking and intelligent scheduling using Python, Spanner, and BigQuery, streamlining workflows and saving users several hours per week.
• Developed Time Insights analytics dashboard with React, TypeScript, and D3.js, delivering personalized time breakdowns that reduced meeting overload by 15% per user feedback.
• Established observability pipelines for real-time Calendar API monitoring using Prometheus, Cloud Monitoring, and Cloud Logging, enabling proactive issue detection and cutting mean time to resolution by 50%.
• Engineered comprehensive testing frameworks for event synchronization features with Java, JUnit, and Selenium, achieving 99.9% uptime and decreasing bug-related user complaints by 40%.
• Orchestrated cross-team collaboration with global Workspace groups on AI integrations, aligning Calendar and Gemini teams to achieve seamless adoption and shorten integration timelines by 30%.

Software Engineer at Google (2017-11 – 2020-01)

• Redesigned the formula recalculation engine's dependency graph in C++, reducing recalculation latency by 35% for spreadsheets with 50k+ cells.
• Designed and shipped 3 new endpoints for the Google Sheets API using Protocol Buffers and internal RPC (Stubby) frameworks, enabling 200+ third-party add-ons and processing 10M+ calls/month.
• Built a conflict-resolution improvement for real-time collaborative editing using Operational Transformation (OT) logic in Java, reducing merge-related data loss reports by 40%.
• Developed.xlsx/.csv import-export fidelity improvements in C++, fixing 15+ high-priority data-corruption edge cases reported by enterprise customers.
• Optimized frontend rendering for large spreadsheets using JavaScript/TypeScript and Google's internal Angular-based framework (Ess/Closure), improving load time by 25% for sheets with 100k+ rows.
• Drove a reliability initiative that reduced P1 incidents in the save pipeline by 50%, building automated regression tests in Python and monitoring dashboards using Monarch.
• Participated in on-call rotation for Sheets backend services built on Bigtable and Spanner, maintaining 99.9%+ uptime SLA.

B.S. in Computer Science – University of Central Florida (2017)