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Head of Engineering, Customer Service, and RecruitingStyleSeat is the largest and fastest growing marketplace in the $78 billion beauty and wellness industry. Products serve 400K business owners and 10M consumers including iOS app, Android app, mobile web, desktop web, API integration, search, and payments.More than doubled the GMV to $1.5B a year. Grew engineering team from 12 to 32 in 6 months with high retention. Accelerated product delivery velocity with improved planning, testing, code review, and release process. Paid off technical debts - consolidated desktop and mobile code base via responsive design, created internal API for reusable services, and built a data warehouse. Strong engineering culture co-creating product roadmap with product managers, daily releases, weekly learning sessions among engineers, and quarterly hackathons. StyleSeat uses Python, Django, Java, AngularJS, Cordova, MySQL, Redshift, Hadoop, Spark, Flask, ElasticSearch, RabbitMQ, Redis, Celery, CircleCI, Docker, Vagrant, Jenkins, Fabric, Ansible, and AWS. Expanded my role from engineering to include customer service and recruiting. Decreased support response / resolution time by 75% with 15K support tickets/month. Established the recruiting process and tools to enable hyper growth across all departments.

Lead full stack engineering including web, mobile, API, big data. Technologies: Python/Django, Swift, Java, Go, MySQL, Kafka, Redis, Cassandra, Celery, Elastic Search, Hadoop, AWS.- Transformed all web products from desktop web to mobile ready Responsive Design in 1 month- Redesigned home page and increased ticket purchase conversion by more than 300%- Created experimentation platform to enable multivariant testing

Lead the Payments Engineering team of ~250 software developers at 4 global locations with $25M headcount budget. The PCE team is at the heart of PayPal, responsible for ~30 highly scalable and reliable online Payments products that generate ~100B annual transactions, ~4B annual revenue with 117M active users, 190 markets, and 25 currencies.- Improved the Time to Market velocity from years to months to weeks- Delivered new PayPal checkout experience MVP on web, iPad, iPhone, and Android on newly designed platform in less than 3 months- Created a small team to optimize conversion rate and delivered >200 bps lift and ~$100M revenue by pioneering test and learn at PayPal- Re-designed the checkout experience from redirect to light box experience that delivered ~ 50bps conversion lift- Move Payments API from SOAP to REST- Moved monolithic CGI application to SOA while keeping the legacy systems running- Reduced live site issues by 10-fold and site performance by 40% in first 6 months- Transformed development model from Waterfall to Agile with high say do ratio

Senior Engineering Director 2007 – 2010 | Engineering Director 2006 – 2007Created company wide Site Integrity Program that successfully improved Yahoo properties' availability, performance, and quality resulting in higher customer satisfaction. • Most properties had no site integrity baseline data when the program started. Established availability and performance standards and policies and achieved universal adoption in less than 1 year.• Achieved industry leading availability/uptime for key properties (Front Page, News, Sports, Flickr, etc.) by eliminating single point of failures, improving capacity planning, reducing dependencies, and proactive monitoring.• Managed a team of technical experts who formulated and shared best practices with architectural reviews and performance bottleneck analysis. All key properties' performance improved – multiple properties page load time improved by 100% by minimizing number of HTTP requests, converting to AJAX, reducing image size, etc.

Engineering Director 2004 – 2006Senior Product Manager 2000 – 2004Senior Engineering Manager 1997 – 2000Staff Engineer 1995 – 1997Member of Technical Staff 1994 – 1995Progressed from senior engineer to first line manager, 2nd line manager, then engineering director. Managed large scale global product development in web application, web service, distributed system, identity, platform, security, tools, and E-commerce software.