Working remotely from Dallas, TX, USA. Solar Mosaic are a fintech company focused on making financing of carbon reducing home improvements accessible and affordable for homeowners by providing an easy way to apply for financing options
• Responsible for crafting an architecture and approach that would enable Mosaic to develop a micro-services based platform through delivery of front-line product offerings. Deliverables included both the platform development process and platform services as well as the front-line product offerings: (1) V2 API supporting partner integrations, (2) a new HVAC lease financing product.
• By design, platform development was grounded in and driven by agile delivery of front-line products
• Technologies used include scala/akka micro-services deployed in kubernetes clusters supporting both pure Kafka-fed event stream processing and RESTful APIs backed by postgres and elasticsearch/opensearch data stores

Working remotely from Dallas, TX, USA Ciena provide scalable, vendor agnostic software for monitoring and managing large networks
• Primary responsibility for architecture and scalability of platform data pipelines monitoring live network status of very large mobile network operators and data center customers; orders of magnitude more scalable and performant than data pipelines that we replaced
• Responsibilities include scala/akka micro-services deployed in Docker containers supporting both pure Kafka-fed event stream processing nodes and RESTful APIs backed by Cassandra, Datomic, Elasticsearch and in-memory caches

Geoforce provides GPS tracking software and hardware to oil and gas industry globally
• Inherited a team of 6-12 Ruby developers struggling with data pipeline and front end performance
• Cleared backlog of deliverables within first three months and scaled platform with growing traffic
• Designed and managed a series of targeted applications around data pipeline

Dallas, TX, USA
SensorLogic is a service delivery platform in the IoT market focused primarily on GPS tracking of assets
• Joined as part of an investor-led reset tasked with re-architecting the platform and rebuilding the software team from the ground up (Java, Spring, ActiveMQ, Terracotta, Esper, multi-slave MySQL)
• Within first year, platform adopted by AT&T as an AT&T branded offering
• Led design and development of distributed, scalable event stream pipeline supporting a service-oriented architecture (SOA) platform
• Write-side scale achieved by concurrent distributed processing of incoming sensor events
• Read-side scale achieved by distributed, denormalized data views kept in sync by distributed event sourcing techniques

CallGenie provides voice technology platforms to the call center market
• Led design and development of PhoneSpots' mobile advertising platform (Java)
• PhoneSpots' platform was a key factor in the acquisition of PhoneSpots by CallGenie and became CallGenie's flagship AdVantage product
• Platform included both administrative UI for creating campaigns, creative, targeting, etc as well as delivery components for selecting and delivering ads in real time
• Introduced scrum and agile development to PhoneSpots

PocketThis was a venture-backed mobile technology platform enabling rapid development of micro-mobile user experiences for highly specific tasks like taking a flight or finding an apartment
• Core technology and product developed pre-funding by myself and two technical co-founders
• Raised over $30m in venture capital; acquired by CallGenie after 8 years in business
• Product and technology won Wall Street Journal European Technology Innovation Award 2003
• Relocated to London for seven years to directly support sales team and lead development teams spanning San Francisco, London and Pune, India
• Multiple patents awarded protecting core IP

Microsoft acquired Firefly Networks and Firefly Passport became Microsoft Passport.
• Responsible for integration of Microsoft Wallet with Passport
• Responsible for integration of Microsoft Messenger with Passport
• Assisted with migration of Hotmail to Passport

The Analytic Sciences Corporation (TASC) is a $200M+ provider of applied information technology services to government, defense and large private sector companies.
• Led development of sonar signal processing systems for Trident class submarines on custom hardware (C)
• Senior member of team developing high-performance, real-time weather workstations for commercial airlines (C++)

Firefly Networks was acquired by Microsoft in May 1998 after creating a pioneering online community based on collaborative filtering -- a technology that "builds vivid profiles of the people who use its Web site ... [then] sorts them to recommend new [music or movies] based on the likes and dislikes of one's nearest psychographic neighbors" (Business Week, Oct 96)
• Led ratings data analysis and development of collaborative filtering algorithms
• Led development of HA recommendation engine with a map-reduce style architecture (C++)
• Led several point releases of Firefly Passport product (Java)
• Co-author of recommendations technology patents #6,049,777 and #6,041,311