John B. Email & Phone Number

Amsterdam, Nh, Nl

United States

United States

At Carrot, I provided technical leadership to ~20 engineers from three different engineering teams. I oversaw the development of technical choices and system designs, encouraging an autonomous culture within Carrot teams. I led a disruptive cross-team engineering strategy at Carrot, which resulted in improved member interaction and revenue recognition.• Provided invaluable expertise in code development and system design for a comprehensive application, integrating cutting-edge technologies and third-party platforms to optimize performance and user experience at Carrot.• Led multiple engineering teams as the overall technical leader in successfully delivering a major new software feature, resulting in a personalized user experience for customers and a steady stream of revenue for the company.• Played integral role as technical leader for expediting in-app messaging feature deployment for Carrot web app, ensuring high quality and user engagement growth.• Implemented an engineering decision framework, including Architecture Decision Records and biweekly Architecture Advisory Forum meetings, to enhance technical decision-making and cross-team collaboration across Carrot's engineering organization, fostering greater efficiency and productivity.

United States

I oversaw a thorough effort to create a cloud-native inventory data integration solution that included streaming data and batch processing to support retail traditional interfaces. I used Amazon Kinesis Data Streams, DynamoDB, Aurora Postgres, Lambda, ECS, and Elasticsearch with a ReactJS-powered web interface to provide efficient and flexible data management. I worked directly with colleague architects to drive the expansion of the company's technology platform, allowing smooth integration of future M&A capabilities and improving overall business agility and competitiveness.• Led delivery of HTTP API for a leading retailer, ensuring 99.95% uptime and handling ~4.2 billion calls annually.• Leveraged CommerceHub's data and Machine Learning, alongside cutting-edge serverless technologies like Amazon Route 53, API Gateway, Lambda, DynamoDB, and SageMaker, resulting in a scalable and fault-tolerant API integrated into ecommerce websites' product detail pages.• Successfully led the design and implementation of a highly scalable and performant public HTTP API for a major retailer, meeting stringent uptime and scalability requirements on time.• Designed cloud-native replacement for a mission-critical inventory management system, resulting in significant skill growth for team members and favorable comparisons with the legacy system.

As lead architect, I oversaw the modernization of a monolithic legacy system as well as the creation of novel event-driven, cloud-native technologies.

United States

Mechanicsburg, Pennsylvania, United States

I played a pivotal role in empowering merchants to offer financing solutions through touchscreen kiosks and digital signage. Leveraging key technologies like Java (both desktop and online applications), Spring, Linux, PostgreSQL, and more, I delivered robust solutions that ensured seamless operations.