David Markham Email & Phone Number

Redmond, Washington, Us

- Developed microservices using C# and .NET, powering the backend of the Microsoft Learn platform. The project was particularly significant as it marked the migration from a 20-year old legacy monolith service. - Worked closely with external partner, PearsonVUE, and internal teams in other organizations, ensured seamless onboarding to RESTful APIs.- Leveraged my expertise in microservices, designed a system that met their requirements, while prioritizing scalability, reliability, and maintainability.- Created automated build scripts, release pipelines, telemetry, alerting rules, and automated tests using Azure DevOps.- Setup traffic managers, API managers, and scale-out rules in Azure cloud services for distributed systems to ensure traffic would scale well and have failover regions in case of a failure in one region helped ensure 99.99% up-time.

Durham, North Carolina, Us

- Worked as lead developer for an innovative educational technology start-up building HTML5 games and web services to support those games using Python, React.JS, Laravel PHP, MySQL, and AWS. - Collaborated with other departments, such as product management, marketing, and design, to ensure that the software being developed meets the needs of the organization and its customers.- Led and mentored junior developers on the team, and reviewed their code, providing guidance and feedback, and helping them grow their skills.- Led initiative and successfully migrated all our services to public cloud infrastructure on AWS which cut operational costs for the company in half and allowed room for future scalability.- Shipped Zoo Academy and other HTML5 games using the Godot game engine that taught social and emotional skills. Helped increase the number of users of Centervention services by 6x to over 100,000 subscriptions.

Durham, North Carolina, Us

- Built web applications using Laravel PHP, MySQL, ReactJS, and SASS to support behavioral health initiatives.- Coordinated Agile SCRUM teams as scrum master using JIRA.- Programmed HTML5 games with C# in Unity3D as well as a custom TypeScript / Javascript game engine. - Built web applications using Laravel PHP, MySQL, ReactJS, and SASS to support behavioral health initiatives.- Coordinated Agile SCRUM teams as scrum master using JIRA.- Programmed HTML5 games with C# in Unity3D as well as a custom TypeScript / Javascript game engine.

Cary, Nc, Us

- As a Senior Backend Developer, I was responsible for developing REST APIs using C# and ASP.NET for pharmaceutical marketing websites.

San Francisco, California, Us

- Doubled revenue in two years as lead PHP and Javascript developer of a marketing start-up with over 50,000 visitors/day.

Armonk, New York, Ny, Us

- Shipped industry leading business service management enterprise software written in Java and Javascript.- Automated installation on various Unix operating systems using Java.

Master'S Degree, Computer Science

Bachelor Of Science (Bs), Computer Science