Nathan Greenhaw

Employment

Scope3 2024–2026

Built full-stack features for a sustainability platform measuring carbon emissions across digital advertising supply chains. Worked across frontend interfaces and backend data pipelines.

Minehub 2020–2024

Developed supply chain management platform for commodity tracking and trade documentation. Built GraphQL APIs with Django and React/Relay frontends with Material UI.

AppNexus 2015–2020

Built and maintained backend APIs across PHP, Scala, Java, and Node. Developed React/Redux applications and led refactoring efforts to improve maintainability and team velocity.

Cigna Healthcare 2013–2015

Designed RESTful APIs to unify access to multiple enterprise data stores. Built AngularJS applications backed by NoSQL databases. Developed identity management tooling across disparate systems.

PCD Group 2011–2013

Built custom CRM, CMS, and fulfillment applications. Designed and developed a high-traffic news aggregation platform. Created mobile-first web applications.

Automatic Data Processing, Inc. 2004–2011

Developed client-server applications and custom build systems including a tailored Linux distribution. Modernized legacy green-screen applications to web. Implemented early continuous integration tooling.

Technologies

Databases: PostgreSQL, Redis, MySQL, BigQuery, Clickhouse

Languages: TypeScript, JavaScript, Go, Python, Scala

Frameworks: React, NextJS, Prisma, Django

Miscellaneous: GraphQL, Kubernetes, Cloudflare Workers, RabbitMQ, Conductor, Claude Code

Education

Portland State University 2007–2009

Graduate courses in the Oregon Master of Software Engineering program

University of Oregon 2000–2004

Bachelor of Science in Computer & Information Science