David Harkness Email & Phone Number

Principal Engineer • Software Architect • Senior Application DeveloperAgile Development • Domain-Driven Design • Data Modeling • Clean CodeModernized Architecture • Increased Code Quality • Evangelized TechnologiesReact • Redux • GraphQL • TypeScript • Go • Java • DynamoDB • MySQL • UML

Listed skills include Xml, Java, Java Enterprise Edition, Databases, and 22 others.

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  Senior Software Engineer

  Anywhere Real Estate Inc.

  Nov 2020 - Present - Remote

  • Focus: Mentor the frontend team to improve their React and GraphQL knowledge and transition from DynamoDB to RDS (cloud-based MySQL) in our Go services to better match our data access patterns.• Rewrote a prototype React/Redux/AppSync application to simplify with built-in React state, Recoil, and Apollo GraphQL. Using our own Apollo server allowed us to implement user-level data visibility and more easily deploy changes.• Moved agent matching (eligibility, availability, location… Show more • Focus: Mentor the frontend team to improve their React and GraphQL knowledge and transition from DynamoDB to RDS (cloud-based MySQL) in our Go services to better match our data access patterns.• Rewrote a prototype React/Redux/AppSync application to simplify with built-in React state, Recoil, and Apollo GraphQL. Using our own Apollo server allowed us to implement user-level data visibility and more easily deploy changes.• Moved agent matching (eligibility, availability, location, etc.) from DynamoDB to Redis to allow larger companies with ten thousand agents to match in 9 milliseconds instead of 30 seconds, nearly four orders of magnitude faster. Show less