John Van Vranken Email & Phone Number

Portland, Me, Us

Portland, Me, Us

Bangor, Maine, Us

New York, Ny, Us

- Architected and led the transition from monolith to SOA for Machine Learning services for Wall Street clients which included building Python Flask microservices with Domain Driven Design, Hexagonal Architecture, and Kafka.

- Founded, architected, and wrote the codebase for PriceX, the 1st price comparison shopping tool with real-time Text alerts, multi-lingual support, and service in Europe and North America spanning 8 countries, 4 languages, and 4 currencies.- Established unparalleled data integrity by extracting real-time data by creating 32 proxy web crawlers using Python, XPath, and Scrapy that monitored price changes in less than 15 minutes for thousands of stores, eclipsing the industry standard of 24 hours.- Developed the international business strategy, GDPR and CCPA data privacy policies, and global compliance by collaborating with legal councils in the US and Germany to develop automated privacy controls.

Radnor Township, Pennsylvania, Us

- Grew a startup software development team from 2 to 12 engineers for Shoutout, a SaaS social and clinical telehealth application seeded by an established behavioral health company.- Created processes for SDLC workflows including git flow, code reviews, environments, CI/CD pipelines, and deployments resulting in a 4x increase in release velocity and a 500% reduction in commit reverts.- Established automated testing protocols, coding standards, local environments, and domain-driven design architecture that resulted in a 200% reduction of new bugs and fostered a culture of shared expectations and standardization across the team.- Improved search result relevancy and filtering by migrating from Angola to Elasticsearch (OpenSearch) which addressed all support tickets related to search relevancy and functionality.- Monetized the application by architecting and building the billing API microservice using Stripe, Laravel, and Domain Driven Design, resulting in the organization's first income streams from digital services.

- Created a centralized API to pivot the business strategy to a hub-and-spoke model that facilitated 5 new SaaS products, enabling the discovery of a product that increased the average customer lifetime value by 400%.- Increased a core KPI by 1800% by removing a human-decision bottleneck with a series of Machine Learning models that leveraged supervised classification on 10 years of data with Python and Scikit-Learn. The machine learning algorithm eclipsed 10 years of human productivity in a single day.- Represented and advocated for the organization and provided data and evidentiary documentation to the Federal Trade Commission task force on Antitrust in Technology.

- Increase revenue from $0 to $21 million with $9 million in profits and $800k annual profits per employee through 2016.- Led a startup from Day 0 to Year 15 by utilizing Lean Software Development principles, efficient LAMP stack, and incorporated business clients and online consumers into the feedback loop.- Grew daily users by 100x by building a first-of-its-kind automated marketing campaign that updated ad copy and CPC in real-time using heuristic algorithms to maximize ROI across 3 major advertising platforms.- Managed key relationships with hundreds of corporate partners such as Amazon, eBay, Google, Microsoft, Yahoo, Macy’s, Kohl’s, Jet.com, Walmart, and Best Buy becoming one of the top 20 worldwide partners for Amazon and top 10 partners for eBay.

Master Of Science - Ms, Applied Machine Intelligence

Mba, Economics And Marketing

Certification, Machine Learning

Bs, Computer Science, Accounting

Bachelor Of Science (B.S.), Computer Science