Bernardo.

Leading Xero’s Accounting Data Platform engineering organization.

Led teams of up to 20 engineers, 3 EMs across Admin Productivity (Admin Experience, Business Services, Monetization and Release Management), Maintenance & Workflows, and Web & Automation.

• Led high-visibility initiatives: Led strategic License Tiering initiative at Samsara. Partnered across Finance, FinSys, Strategy, Product teams to drive customer policy around retention, renewal and churn. Drove technical strategy to implement tiering across 3 product areas with a taskforce of staff engineers, engineering directors and product directors resulting in +20% revenue impact. Earned Samsara R&D Impact award.
• Delivered 0-1 product: Led fast-moving product team on Maintenance to market to >$1MM ARR impact in first year, after delivery in <6 months.
• Delivered 0-1 platform: Identified need for internal Workflow Orchestration tool, led development from concept to developer-facing engine in <6 months. Drove technical and product strategy, buy-in for new initiative “Automation” (low-code customer-facing workflow builder). Automation launched within 7 months of first piece of code written through an internal partnership.
• Drove change in strategy: Re-oriented struggling Web Experience team around feature discovery and user efficiency, worked closely with product to define roadmap for several areas including Search. Delivered dramatically improved search experience via OpenSearch index-based search and established norms for data ingestion, change tracking to very positive customer feedback, high adoption.
• Drove operational clarity: Established API contract standards between product engineering and finance engineering teams. Led to a decrease in operational overhead from 3.5 engineers per year to 1 engineer per year within R&D.

Led teams of up to 25 engineers, and 2 EMs, across 4 teams across Platform UX, Admin Experience, Maps, Billing & Operations. Grew Samsara’s customer-facing platform team during the hypergrowth phase (R&D size: 70→300), supported key areas of geographic growth, and transformed Samsara’s posture towards page load performance.

• Built and scaled Platform team supporting hypergrowth: Scaled from 3 to 25 engineers + 2 EMs in 1.5 years
• Expanded geography to support customer growth: Started first international engineering office. Hired first 12 engineers and EM in 6 months in London. Delivered features necessary to enter EU market, resulting in 70% decrease in lost sales due to missing features. Developed hiring plan, funnel targets, onboarding strategy for a new Poland office growing to 25 engineers in a year.
• Led org-wide page load performance initiative: Decreased average site load time by 60% via a variety of targeted improvements (caching, pagination, internal SLA definition and enforcement). Acted as program manager and strategic planner for initiative.
• Led highly ambiguous projects:
  • Tasked with improving address quality for customers, established benchmarks for reverse geocoding accuracy. Shipped improvements at scale of 25K reqs/sec, achieving accuracy improvements from 75% to 90% for the US and from 25 to 75% in Europe.
  • Tasked with improving consistency of driver assignments, unified 8 distinct sources across 5 product areas into a centralized queryable data store/service.
• Supported scaling eng org: Worked with engineering leaders to make improvements to interview evaluation and career ladder. Developed management and cross-team collaboration best practices that are actively used within engineering. Conducted hundreds of interviews for engineers, EMs and PMs.

Developed several core capabilities that helped Samsara support rapid engineering and feature growth, including testing framework, redesign of authorization and expanded type support for Samsara’s ORM and GraphQL layers.

• Built scalable frameworks still in use today (2025):
  • Designed and implemented testing framework that disincentivized accidental integration tests, handled dynamic includes and test fixtures.
  • Designed and implemented authorization framework based on Entity↔Authorization Domain mapping, rolled out with no major issues.
  • Rewrote Samsara’s Thunder (GraphQL/ORM) to accommodate custom data attributes at >30K ops/s.
• Scaled the team: Conducted >80 interviews and developed several interview questions.

Led team size of 15 engineers and 2 EMs.

• Led large and complex scope: Led Personal Lines and Cyber Policy products, which generated majority of company revenue. Responsibility for strategy and project delivery.
• Scaled talent management processes: Created career frameworks to help engineers develop their careers.
• Partnered with executives: Worked with CEO and CTO to develop budget and strategy for engineering.

• 0-1 initiative: Designed and led development for a greenfield insurance portal, delivered in 3 months.
• Led complex scope: Designed and led development of various integrations with insurance providers.
• Scaled eng org: Conducted interviews and helped codify interview best practices.

Transitioned into software engineering after building internal tools that gained company-wide adoption.

• Proactively scoped and built internal tools:
  • Built and operated Rails tool-suite used by over 100+ people across multiple departments, delivering $1.7MM in annual savings.
  • Developed email template generation tool, saving $250K/year.