Current consulting engagement with Sema4.ai through 7Factor Software.

• Building and improving product features across TypeScript-based systems.
• Collaborating with client stakeholders to turn product needs into maintainable implementation.
• Supporting delivery across modern web, API, and cloud-hosted application surfaces.

Billing platform engineering across point-of-sale terminals, web APIs, vendor integrations, and PCI compliance.

• Implemented Adyen and Ingenico/Worldline integrations supporting payment and billing workflows.
• Supported team-owned transaction paths for in-store point-of-sale terminals and web API consumers.
• Worked across one-time payments and subscription billing flows in a high-volume billing domain.

Consulting role focused on healthcare system modernization, vendor integrations, and cloud migration.

• Remediated, improved, and extended legacy C# and PHP applications for a healthcare client.
• Supported containerized application delivery with Docker, Concourse, AWS, and Terraform.
• Implemented EVV vendor integrations for governmental nursing visit requirements.
• Helped move a store-local API model into AWS by abstracting data access by location.

Full-stack modernization of a legacy healthcare portal with React and Spring-based REST services.

• Built a new React portal to replace legacy application workflows.
• Reimplemented backend functionality with Spring 5 and RESTful endpoints.
• Implemented IdP-initiated SSO using OAuth tokens, secrets, and JWTs.
• Upgraded services from Spring Boot 1.5 to Spring Boot 2.1 and instrumented application logging in New Relic.
• Supported TDD practices with Enzyme.

Application development and maintenance on banking systems as part of an Agile team.

• Developed and maintained legacy mainframe application functionality.
• Supported bank security initiatives.
• Used JIRA and Confluence for documentation and backlog collaboration.