* Authored a new Javascript standard for representing EDI (JEDI)* Built several command line tools to assist development teams with testing and deployment * Designed and implemented multiple external developer APIs as well as internal APIs used in various microservices

* Led a complete rebuild of the technology stack which resulted in $32M in annual revenue (a 100% increase from prior year)* Migrated the backend from Java to Typescript and introduced AWS CDK and Cloud Formation for managing infrastructure* Served as acting CTO and led the team through a successful acquisition by Digital Turbine (formerly Mobile Possee)

• Led a key business transformation effort aimed at moving First Data's entire settlement business from an internal mainframe to a serverless infrastructure based on AWS Cloud technologies.• Architected and developed a highly scalable online store product hosted in AWS that served thousands of customers with zero downtime in three years.• Migrated legacy Ruby/Rails applications to a serverless model using Docker and AWS Fargate.• Built a massive serverless process with AWS Kinesis, Lambda, S3 and DynamoDB that was capable of handling 20,000 transactions per second. In production this solution would eventually save $ 50-$75 million per year in infrastructure costs.• Provided technical guidance as part of First Data's cloud modernization strategy.• Managed several green field applications developed using a variety of languages including Ruby, ES7 (Javascript) and Node.js.• Direct involvement and participation in security audits and complex security and regulatory requirements.

• Designed our company’s flagship product which connected ecommerce platforms to third party services used for accounting, inventory and fulfillment.• Architected and supervised the development of our cloud-based infrastructure using several AWS technologies, including: Lambda, Gateway, SQS, ECS and DynamoDB.• Recruited and hired a highly skilled team of development and DevOps professionals.• Raised $6.5 million in venture capital funding.• Negotiated the sale of the company to First Data Corp.

• Resolved scaling issues for ecommerce clients experiencing rapid growth in web traffic.• Performed migrations of large scale ecommerce customers who were replatforming on Spree.• Assisted outside development teams that were using Spree Commerce, which was an open-source e-commerce solution that I created and is used by thousands of stores worldwide.

• Led a company initiative to shift the development teams away from Perl and towards Ruby/Rails.• Supervised development teams and managed customer communication on consulting projects.• Improved the Spree open source platform based on the requirements of large scale ecommerce customers.

• Architected a highly distributed web crawler to build a massive data set used by drug companies to analyze markets created under the Medicare Part D prescription benefit. • Developed my own open source ecommerce platform (Spree Commerce) based on Ruby/Rails to address the the lack of flexibility and maintenance challenges found in existing solutions.• Served as an evangelist for a massive open source community with 700 active contributors.

• Led a successful effort to transform a legacy system for medical device applications.• Facilitated cross-organizational working groups and conducted requirements sessions that included both managers and line employees.• Built a large product and technology team from the ground up (I was the first hire.)

• Served as lead programmer on a product which enabled real-time tutoring for remote students.• Transformed our technology stack by moving it from a Microsoft-based platform to one based on Java and Unix (Solaris).• Introduced the technology team to design patterns and the Struts MVC framework.

• Initiated and performed a complete redesign of our group’s best selling product which reduced maintenance and upgrade costs associated with tax law changes.• Led a replatforming effort away from Lotus Notes and onto a J2EE-based technology stack.• Developed software that was modeled on complex international tax regulations.

• Led a team that replaced legacy desktop software with custom built web applications.• Built an application to facilitate procurement for government intel agencies.

• Rebuilt CBO’s income tax model used to forecast over $900 billion in income tax revenue. • Coordinated with the legacy development team to ensure smooth transition to the new model. • Served as excise tax analyst in charge of forecasting over $70 billion in annual tax revenue.