Nathaniel Goldman

Senior Software Engineer

• Took over as lead developer and interim engineering manager for Trillium Transit, an acquired GTFS platform. Remained technical lead, hiring one engineer and mentoring another from QA into backend work.
• Moved 20+ Trillium servers to Kubernetes (AWS/EKS), built pipelines to migrate 400+ transit agencies onto Optibus, and stayed on escalations and on-call for legacy systems after joining the Platform team in 2024.
• Updated the core file manager of a 200k+ LOC React/Ember frontend to a design-system color scheme for a contractual light mode requirement, as the reference implementation for the rest of the company, then packaged the approach as a Claude Code skill with automated visual QA for other teams.
• Planned and piloted a Jenkins to GitHub Actions CI/CD migration on auth service Lambdas as the reference for other teams, moving deploy logic into reviewed, in-repo workflows and cutting deploys to near-instant.
• One of two engineers on a cross-team task force (Data, Platform, Planning, Scheduling), building GTFS import, export, and Flex support to bring Optibus to parity with Trillium for lossless migration.

Director of Engineering, previously Lead Developer and Developer

• Led architecture and development of a collaborative screenwriting platform from alpha to launch with a four-person dev team, shipped to daily production use by The Daily Show, The Late Show, and Last Week Tonight.
• Designed a custom operational transformation algorithm for real-time document editing (100+ simultaneous users, 300+ page documents), and led the creation of an internal design system to accelerate development.

Senior Software Engineer

• Contributed to EtchCV, a medical documentation desktop app for heart surgeons. Mentored junior engineers.
• Rewrote the zoom algorithm for an interactive SVG map of the cardiovascular system used to mark procedures like stents, solving a matrix transformation problem to improve UX.
• Overhauled a complex dual-package Electron build into a single clean setup, cutting build and dev cycle time.

Software Developer

• Built web applications for early-stage Portland startups (Rivetry, Rigado, Reflect).

Web Application Developer

• Built ArcGIS for Developers, consolidating Esri's developer docs into one site, plus a dashboard for managing client credentials and API usage. Created open source dev tools for the Geotrigger Service, including the official Geotrigger Editor, geobin.io, and geotrigger-faker, and led hackathons and community events.
• Proposed and led a rearchitecture of Koop, the geospatial ETL engine behind Esri's open data hub, for open source release, simpler deploys, and a plugin system for new data sources and outputs.