My Work Experience

Info

Living in: Portland, OR, USA, GMT-8 (GMT-7 during DST)
Email: casey@kolderup.org
Need a compact version of this resume?

What I'm Looking For

As of August 2026 I'm working full-time and not looking for additional work. That said, if you're looking for a developer, I know lots of them-- please feel free to reach out with what you're looking for and
maybe I can put you in touch with the right person.

Recent Experience

Fastly - Staff Engineer/Team Lead (2022-2025)

• acted as the engineering lead for the planning of Glitch's shutdown, advocating for user benefit and data access within the constraints of the timeline & budget needs presented to us
• also acted as Glitch's engineering lead during periods where there was no official Engineering Manager assigned to the team, performing all daily engineering manager duties
• mentored interns assigned to Glitch as part of Fastly's internship program
• wrote technical recommendations on the potential use of software like Nix, git, and the ActivityPub protocol to internally proposed evolutions of Glitch's platform
• led multiple efforts to rid the Glitch platform of bad actors / unwanted user-generated content: identifying, investigating, educating the team, and building & maintaining automated tools to reduce its harm
• built Fastly API key integration into Glitch Editor
• built an event-based Webhooks feature on the Glitch platform
• built "external projects", allowing Glitch users to expand their user profiles to showcase projects built elsewhere on the web
• provided guidance to our Customer Support team navigating users' technical questions and needs and improving the tools they used to manage abuse, user subscriptions

Glitch - Staff Engineer (2021-2022)

• helped prepare Glitch for acquisition, including providing information for due diligence
• demonstrated the platform's use as a demo and educational platform for acquisition targets' software offerings
• wrote most of the code involved for a feature redesign from "Collections" to "Playlists"
• assisted in frontend work to refresh design of user profiles & project detail pages
• learned Glitch's backend and collaborated with a consultancy on "crisis engineering" scenarios, refreshed runbooks, and prepared for SRE work required pre-acquisition
• acquired by Fastly May 2022

Discogs - Engineering Lead (2020-2021)

• led a team of 3 engineers, formalizing their intake/triage process and working with them to outline & execute a process for revamping technical documentation and knowledge sharing within the company
• consulted with a committee of other tech leads to plan the future of technical architecture for the overall systems that make up Discogs' operations

Vox Media - Engineering Manager / Senior Engineer (2014-2020)

• supervised a team of four engineers formalizing the Developer Experience, providing all of Vox Media Engineering with their local development (Docker), sandbox (k8s), staging (k8s), and CI/test (Github Actions) environments
• Architected the first version of a new editorial storytelling framework, enabling editorial developers to fetch structured data written by journalists in the existing CMS
• Established GraphQL at Vox Media by replacing the largest RESTful API, writing standards & best practices, building a central service that can call out to federated GraphQL servers, and training engineering teams on the new infrastructure
• Co-founded the Revenue Product team, where we migrated all of Vox Media's advertising from OpenX to Google Ads, separated the display ad infrastructure from the backend and made it possible to sell & operate ads on any website (https://concert.io)

Earlier (further details available on request)

• Gilt - Senior Software Engineer, Platforms (2011-2014)
• FactSet - Senior Software Engineer, Content Integration (2007-2011)
• Delphi-Delco - Software Engineer, Automation & Verification (2004-2007)
• Purdue University - Bachelor of Science, Computer Science (2003-2007)

Some Proper Nouns I Have Professional Opinions About

• TypeScript, Node.js, JavaScript, React, Ruby, Java, Scala, C++, Perl
• REST APIs, OpenAPI, GraphQL, PostgreSQL, SQLite, MySQL, Redis
• Docker, Kubernetes, AWS, Github Actions, Jenkins, Circle CI
• Grafana, Kibana, Consul, Metabase, Sentry