# Aaron Goldberg > Software Engineer at StubHub Location: New York, New York, United States Profile: https://flows.cv/aarongoldberg ## Work Experience ### Senior Software Engineer @ StubHub Jan 2023 – Present | New York, New York, United States ### Senior Software Engineer @ Wizard Jan 2023 – Jan 2023 | New York, New York, United States ### Software Engineer II @ Wonder Jan 2022 – Jan 2023 | New York, New York, United States - Owned full stack feature development and on-call support for high-performing Command Center product, a real time analytics and vehicle tracking platform used by full-time operations support team of 20+ to manage and facilitate service operations - Improved reliability and reduced latency of customer checkout to under 300 ms by building fully asynchronous API checkout flow via Kafka and Cosmos DB from legacy synchronous flow in Assignment Management system - Re-optimized joins and determined need for additional key indexes to reduce P99 latency from over 1 sec to less than 500 ms after investigating and optimizing legacy underperforming MySQL queries using SQL EXPLAIN and Azure diagnostic info - Established Kotlin schema, endpoints, and logic to link incidents to in-progress orders, identifying cause for 90% of vehicle down time - Created sticky filters in Command Center by leveraging TypeScript and Zustand store to write user-selected values to local browser storage - Integrated gRPC stub to get inventory eligibility data from Assignment Management, displaying calculated percentage for 300+ vehicles - Implemented in-memory caching and garbage collection with Guava to reduce API latency from several seconds to less than 100 ms - Explored viability for integration of new vehicle planning, incident, and sensor data in Command Center for hub managers - Designed critical reusable React components with Reakit for design system used by all 5 internal web applications across company - Led operational excellence improvements by implementing server side alerting with Prometheus and Elastic to detect API errors, high latency, SQL errors, pod CPU spikes, and Kafka lag, as well as crafting multiple Grafana dashboards to visually track SLA requirements ### Software Engineer I @ Wonder Jan 2021 – Jan 2022 | New York, New York, United States - Integrated Mapbox in Command Center and designed custom React layers and vehicle icons that updated in real time with WebSocket GPS data to act as base platform for all in-service communications to manage 300+ vehicles on road - Reduced overall drive time by 2 min, using Uber’s H3 and historical demand to better position vehicles in service area with predictive positioning that overhauled vehicle idle time in multi-quarter project - Created image viewer and hashed out OpenAPI spec for endpoint that utilized Verkada client to take snapshots inside vehicles in real time - Designed modals for crucial actions like placing vehicles offline and reassigning orders in Command Center that called upstream services - Developed hundreds of React Query hooks, Axios endpoints, and React function components to match Figma specifications - Collaborated on Kotlin back end systems, including Kafka ingestion, SQL queries, Javalin REST API endpoints, and OTEL collection - Composed 20+ SQL migrations and stored procedures to create new tables, modify columns, and add or remove indexes ### Product Developer @ LaunchSquad Jan 2018 – Jan 2021 | New York, New York, United States Engineering: - Participated in every step of product development process as tech lead from ideation to development and improvement of existing features - Led new feature planning as project manager by driving product roadmap decisions around timeline, design, implementation, and rollout - Overhauled entire UI with AngularJS, JavaScript, HTML, and CSS, leading to rebrand before launching Outwing as external SaaS tool - Built automated monitoring with NewsCatcher API and PostgreSQL on Node.js server, reducing time spent on daily tasks by 1.5 hours - Implemented feature to quantify relationship building with journalists by calculating coverage conversion rates for client spokespeople - Introduced customizable coverage exports, allowing teams to alter formatting to meet requirements of client executive teams and boards - Improved product security for all users by converting direct Firebase reads and writes to authenticated REST API endpoints with Express - Debugged errors and deployed patches in timely manner by leveraging user feedback, Heroku logs, and Papertrail logs Insights and Analytics: - Onboarded 87 new LaunchSquad clients to Outwing, increasing LaunchSquad user adoption by 64% - Extracted data with SQL from Postgres database to analyze and identify key trends used to inform entire company in monthly newsletters - Generated insights and created digestible deliverables for clients and new business prospects by applying advanced spreadsheet techniques - Educated all employees on leveraging Outwing to prove the impact of agency work to clients, increasing product fluency across company - Gave Outwing product demos to client CMOs, communications leads, and other key stakeholders, leading to stronger client relationships ### Undergraduate Research Assistant @ Cornell Johnson Graduate School of Management Jan 2017 – Jan 2018 | Ithaca, New York Area ### Intern @ MomentumMedia Sports Publishing Jan 2017 – Jan 2017 | Ithaca, New York Area ### Intern - Deutsche Bank Championship @ Tiger Woods Foundation Jan 2016 – Jan 2016 | Greater Boston Area ### Staff Writer - Gang Green Nation @ SB Nation Jan 2015 – Jan 2016 ### Intern @ Ithaca Journal Jan 2013 – Jan 2014 | Ithaca, New York Area ## Education ### Cornell University Jan 2014 – Jan 2018 ## Contact & Social - LinkedIn: https://linkedin.com/in/aaron-goldberg-16401b134 --- Source: https://flows.cv/aarongoldberg JSON Resume: https://flows.cv/aarongoldberg/resume.json Last updated: 2026-03-22