Head of Engineering
As an engineering leader with 15 patents and 20+ years transforming organizations across cloud computing, security, and large-scale systems, I specialize in building autonomous teams that deliver breakthrough products. I’ve led organizations of 300+ engineers through complex technical challenges, consistently delivering solutions that drive multi-billion dollar revenue streams with strategic impact spanning 3-5 years.
My expertise spans driving organizational transformation—from leading Brazil’s Presidential Election software development to architecting Google’s 100M+ node deployment systems to overseeing Indeed’s $XB revenue-generating platforms. I’ve guided companies through critical technology transitions: moving Indeed to public cloud as first-mover, transforming Union.ai’s security from compliance hurdle to competitive advantage, and designing fault-tolerant systems achieving 99.999% SLA.
As a highly technical leader, I maintain hands-on involvement in critical architecture decisions while building high-performing teams that thrive on shared ownership. My leadership philosophy adapts to organizational needs—whether bootstrapping engineering culture in early-stage companies or scaling established teams to enterprise levels. This flexibility has enabled me to successfully manage everything from focused startup squads to distributed teams across multiple time zones, consistently delivering exceptional results regardless of scale.
I’m passionate about building teams, products, and processes that solve tomorrow’s challenges today, whether that’s revolutionizing AI/ML infrastructure, implementing zero-trust security architectures, or creating the next generation of cloud-native platforms.
Head of Engineering
Leading all Engineering, SRE, and Customer Support while serving on the Senior Leadership Team alongside the CEO and Board to define long-term strategic direction.
Architected Union’s comprehensive deployment strategy across four distribution models: Full SaaS, Bring-Your-Own-Cloud, Self-Managed Cloud, and On-Premises. Engineered solutions spanning AWS, GCP, Azure, OCI, and specialized GPU neoclouds, ensuring seamless operation across single and multi-cloud customer environments while maintaining security, efficiency, and cost optimization.
Driving the development of Union 2.0 and open-source Flyte 2 to deliver transformational business impact: targeting Nx revenue growth with increased margins by H1 2026. Leading performance optimization initiatives that enable customers to run 100x+ more workflows at the same cost through advanced GPU resource optimization, while reducing workflow start times from minutes to sub-second response.
Transformed Union’s security posture from a pre-sales obstacle into a competitive differentiator. Implemented cloud-native security architecture leveraging Private Link (AWS, Azure), Private Service Connect (GCP), and VPN (others) positioning security as a primary reason customers choose Union over competitors. This strategic shift converted compliance requirements into value-added propositions that accelerate deal closure.
Head of Engineering, Core and Dev Infrastructure and Platforms
Led Infrastructure engineering across three critical domains: Cloud Operations, Developer Experience, and AI/ML Infrastructure, directly impacting product velocity, system reliability, and the foundational technology powering Cody AI assistant.
Owned end-to-end cloud strategy and operations across AWS and GCP, managing multi-million dollar infrastructure budgets while maintaining SOC 2 compliance for enterprise customers. Architected Kubernetes-based production environments, implemented inter-cloud connectivity solutions, and designed customer private link integrations through CloudFlare. Delivered scalable compute, storage, and database solutions supporting Sourcegraph’s cloud-based customer environments.
Transformed developer productivity through comprehensive tooling ecosystem including Bazel build systems, internal “sg tool” development, and automated deployment pipelines using Terraform and Buildkit. Implemented security-focused “executors” for customer source code analysis, ensuring safe processing of potentially untrusted code. Established monitoring and incident response workflows via OpsGenie and Entitle, significantly reducing deployment friction and operational overhead.
Pioneered the infrastructure foundation for Sourcegraph’s AI developer assistant, architecting scalable hosting, deployment, and monitoring systems. Built API integration layers enabling third-party tool support (IntelliJ, etc.) and established ML model training/update pipelines. Designed flexible integration architecture supporting both commercial LLM providers and customer-owned AI infrastructure, enabling enterprise customers to maintain data sovereignty while leveraging advanced AI capabilities.
Senior Director of Engineering: Candidates, Resume, Platform (2021-2023)
Led Indeed’s largest engineering organization following expansion to include Candidates Management, Interviews (online, phone, and in-person), Resume Search, Qualifications, and Messaging platforms, while continuing to oversee the Platform group.
Managed 300+ direct reports (500+ combined) across multiple product areas generating multi-billion dollar annual revenue for Indeed’s employer customers.
Delivered transformational improvements in operational excellence, redesigned candidate management systems serving millions of users, and architected scalable interview platforms that became central to Indeed’s hiring marketplace. Successfully integrated diverse engineering teams while maintaining product velocity and establishing unified development practices across the expanded organization.
Senior Director of Engineering: Platform (2020-2021)
Led Indeed’s platform transformation initiative to modernize development practices, enhance security posture, improve performance and reliability, and establish the technical foundation for public cloud migration.
Owned all Platform delivery for Indeed’s Small & Medium Business segment representing >50% of company revenue.
Managed a 100+ person engineering organization designing and delivering the infrastructure powering employers.indeed.com while establishing comprehensive security policies and compliance frameworks:
Led engineering management across two time zones (Seattle and Singapore), overseeing 25+ engineers responsible for Grab’s critical data infrastructure: online data stores, search systems, caching layers, Data-as-a-Service platforms, and enterprise data governance.
Owned production systems serving Grab’s core business operations across Southeast Asia. Maintained deep cross-functional collaboration with all product teams throughout the complete development lifecycle, working closely with Technical Program Management on production scheduling and multi-million dollar budget allocation.
Managed the engineering team responsible for Grab’s production data storage infrastructure, including RDS (MySQL, Aurora), PostgreSQL, Cassandra, ScyllaDB, and DynamoDB. Ensured high availability and performance across diverse database technologies supporting millions of daily transactions.
Led the team owning Grab’s production search and caching systems, including ElastiCache, Redis, ElasticSearch, and Amazon Elasticsearch Service. Delivered sub-second query performance and 99.9%+ uptime for business-critical search functionality.
Architected and managed development of Grab’s unified data abstraction layer, providing seamless API access across SQL, NoSQL, and object-store systems. This platform solved critical developer productivity challenges by enabling seamless integration across diverse technology stacks and multiple cloud providers. System scaled to millions of QPS while significantly improving security and reducing development complexity for data science and application teams.
Collaborated with Information Security to establish Grab’s comprehensive Data Classification and Data Governance policies. Led compliance initiatives achieving ISO 27001 certification and online PCI compliance, ensuring secure handling of sensitive financial and personal data across Grab’s platform.
Delivered $millions in annual cost savings through strategic database optimization and rightsizing initiatives, while maintaining performance and reliability standards across all production systems.
Served on three critical company-wide committees: Data Governance Council, Patent Counsel, and ArchCo (8-person architecture review board responsible for company-wide technical decision approval), directly influencing Grab’s technical direction and intellectual property strategy.
Led teams working with comprehensive technology ecosystem including Kubernetes (EKS, kops, OpenShift), diverse database technologies (Cassandra, DynamoDB, ScyllaDB, RDS, PostgreSQL), multi-cloud infrastructure (AWS, Azure), security frameworks (PCI, ISO 27001), monitoring systems (Datadog, statsd), and load balancing solutions (ELB/NLB, Envoy).
Technical Lead Staff Engineer
Led Google Cloud’s strategic open-source integration initiative, managing partnerships with major infrastructure-as-code platforms including Terraform, Ansible, Puppet, and Chef. Architected comprehensive coverage of 100% of Google Cloud Platform services through popular deployment tools, significantly expanding GCP adoption in enterprise DevOps environments. Presented work at PuppetConf and ChefConf, culminating in major open-source releases on Google Cloud Platform’s Github and Puppet Forge in August 2017, with Chef Supermarket integration following in Q3’17. This initiative became a cornerstone of GCP’s developer ecosystem strategy.
Designed and implemented Google’s massive-scale infrastructure management system over four years, architecting the core technology to deploy and manage 100M+ nodes across 10+ data centers. Led the engineering team that developed the foundational technology powering both critical internal workflows and Firebase Test Lab for Android, achieving 99.999% reliability SLA with 24x7x365 operations. This system became essential infrastructure supporting Google’s global service delivery and mobile testing ecosystem.
Developed critical security infrastructure for ChromeOS, implementing software drivers interfacing with TPM chips and kernel-level components to deliver full disk hardware encryption for production Chromebooks. Identified and resolved a significant TPM key generation security vulnerability in openCryptoki affecting all Linux distributions, contributing to the security of the broader Linux ecosystem. Implemented real-time packet filtering systems on Google Compute Engine for export control compliance, blocking traffic from embargoed countries while maintaining performance standards. Contributed extensively to various open-source security projects, advancing industry-wide security practices.
Senior Technical Lead Engineer
Architected, designed, and led the engineering team that created System Center Virtual Machine Manager 2012, Microsoft’s flagship enterprise virtualization management platform. Founded and solo-developed the Virtual Server Deployment Manager (VSDM) project from concept to customer shipment, establishing the foundational workflows that Microsoft integrated into System Center. The VSDM architecture became the blueprint for enterprise virtualization management, with Microsoft shipping the product to customers along with comprehensive documentation and support. Filed multiple patents for innovations in the virtualization space that became core intellectual property for Microsoft’s enterprise offerings.
Following a strategic acquisition, architected and built Microsoft Security Baseline Analyzer 2.0 (MBSA) from the ground up. This security analysis tool became a critical component of Microsoft’s security ecosystem, enabling enterprises to scan Windows systems for vulnerabilities and receive automated mitigation recommendations. The tool was widely adopted across enterprise environments and became essential infrastructure for Windows security management.
Spent three years at Microsoft Research within the eXtreme Computing Group, developing foundational technologies that directly contributed to the creation of Microsoft Azure and Microsoft SQL Azure. This research laid the groundwork for Microsoft’s cloud computing platform, representing some of the earliest work in large-scale distributed cloud infrastructure.
Collaborated with the University of Washington to architect and develop the Trident Computing Workflow system, a pioneering platform for scientific computing workflows. Created innovative solutions for workflow versioning and reliable experiment reproduction, advancing the state of the art in reproducible computational research and establishing patterns later adopted across the industry.
Senior Software Development Manager
Head of Development leading the engineering organization responsible for Brazil’s Electronic Presidential Election software system. Managed a distributed team of 27 engineers across three geographic locations, with dedicated site managers and engineering teams reporting through a matrix organization structure.
Led the development and deployment of Brazil’s national electronic voting system, collaborating directly with government officials on requirements definition, technical execution, and nationwide delivery. This represented one of the world’s first large-scale electronic election implementations, requiring unprecedented coordination between technology, security, and democratic processes.
Directed the company’s ISO 9001 certification initiative, establishing enterprise-grade software development processes and quality standards. Successfully achieved Capability Maturity Model (CMM) Level 3 certification and developed strategic roadmap for Level 4 advancement, positioning the company as a leader in high-reliability software development for government and military applications.
Senior Software Engineer
Architected the comprehensive security system deployed in every voting booth across Brazil, creating what was recognized as the most extensive synchronized deployment system ever implemented at the time. This system required coordinating secure software deployment and real-time synchronization across thousands of voting locations nationwide on election day.
Developed critical system-level software including device drivers, network filtering, and transparent network encryption systems for government and military customers. Created secure, low-level software components that became foundational infrastructure for high-security applications across multiple government agencies.
Led development of comprehensive cryptographic systems and frameworks, including hardware-based HSM and smartcard implementations. Architected X.509 PKI Certificate Authority systems integrated with eTrust and Verisign platforms. Defined core protocols for ICP-Brasil — Brazil’s national public-key infrastructure that became the foundation for certifying financial transactions and official government records across the country, establishing digital trust infrastructure that remains in use today.
Computer Science Department Administrator
I led the Computer Science Department laboratories, responsible for the management of its infrastructure, student authorization, computer protection, and licensing of equipment and software.
Technologies: IBM AIX, Novell Netware, SunOS, Solaris.
Freelance consultant to various departments and on-campus research institutions
Contracted by various departments across the university (Mathematics, Physics, Computer Science, and Engineering) I helped advance campus networking, regional file systems, and operation of Internet Brazil (routed via the university.)
Departments also contracted me to provide training to their staff on Unix administration, Novell Netware setup and operations, and help them bring up new labs.
Research Software Engineer
Worked as Engineer for the post-graduate department of Engineering developing systems to help fight malaria and other health issues. My work was awarded software of the year by the Education Ministry of Brazil for its innovation and public health advancements.
Technologies: C++, Unix, hardware interfaces, big data (well, big its the time)
In observance of U.S. and international patent laws, please consult with your legal department before opening the patent documents below to avoid accidentally tainting your development process and exposing your company to possible punitive damages for patent violation.
| US PTO ID | Description |
|---|---|
US 8161475 B2 |
Automatic Load And Balancing To Meet Resources Requirements |
Patent Pending |
Automatic Retirement & Provisioning of Virtual Machines |
US 20100295856 A1 |
Data Analysis and Visualization System and Techniques |
US 8635331 B2 |
Distributed Workflow Framework |
US 20110161391 A1 |
Federated Workflow Scheduling |
US 8015563 B2 |
Managing Virtual Machine with System-Wide Policies |
US 9213542 B2 |
Offline Preparation & Customization of Virtual Machines |
US 8082459 B2 |
Power Management Based On Policy |
US 7996834 B2 |
Virtual Machine Self-Service Restrictions |
US 8806480 B2 |
Virtual Machine Smart Migration |
US 9223596 B1 |
Virtual machine fast provisioning based on dynamic criterion |
US 9639340 B2 |
System and Method for Loading Virtual Machines |
WO 2017217988 A1 |
Secure Configuration of Cloud Computing Nodes |
US 20160098286 A1 |
Creating templates of offline resources |
DPub 219 |
Distributed Trusted Update Approval |
| Event | Date | Published Work | Video |
|---|---|---|---|
| PuppetConf | 2017 | Puppet & Google Cloud: From Nothing to Production in 10 min | [video] |
| Webinar | 2017 | A hands on migration of your app to cloud with Puppet and Google Cloud Platform | |
| PuppetConf | 2016 | Puppetize ALL the Things! (Google Cloud) | [video] |
| ChefConf | 2016 | Chef Journey on Google Cloud | [video] |
| PuppetConf | 2015 | Puppet & Google Cloud Platform | [video] |
| Microsoft PDC | 2007 | ||
| Microsoft PDC | 2006 | ||
| Microsoft PDC | 2005 | ||
| Microsoft MGB | 2004 | Microsoft Global Briefing: Virtual Server Deployment Manager |
These are companies that I owned (over 50%) or had a considerable stake on (20% to 50%):
Chief Architect
Mobile self-learning sports training software for Apple iOS (iPhone, iPad and iPod) and Android (phones and tablets)
Chief Architect
Development Manager
Security company focused on providing softwares and services to large financial institutions, government and military.
Architect
Provide internet access using prepaid cards. Similar to telephone systems where users can buy a card and scratch to reveal a code that grants them specific amount of money for calls. The internet system works in a similar way, by providing a code user can input on one of the stations spread around the city. Each code will give the user-specific amount of time to use the internet and can be used on different locations (if user does not use all credits at once, he can continue later, even from the other site).
Harvard Business School
UFRJ – Federal University of Rio de Janeiro Brazil
COPPE – Institute for Graduate Studies and Research in Engineering
Major: Databases | Minor: Computer Systems
UFRJ – Federal University of Rio de Janeiro Brazil
Major: Computer Science