Timothy Holdaway Email & Phone Number

San Francisco, California, Us

Data engineering and internal products team.

Chicago, Il, Us

- Built out API functionality supporting policy administration system.- Migrated legacy TypeScript code to Kotlin Spring Boot application.- Designed and implemented new microservices integrating with external report vendor. Created post-launch data quality monitoring and owned the follow-up with Insurance Product teams and the external vendor to resolve data quality issues to maximize report utilization in policies.- Diagnosed and resolved customer-impacting production issues.

Reston, Va, Us

May 2017 - Feb 2021: I worked on the linear television back-end data processing team, working with a small team to support a legacy codebase built with Perl, C++ and Postgres, and develop new systems using Spark and AWS.- Diagnosed and fixed bugs causing data discrepancies - Identified and optimized performance bottlenecks in processing pipeline -- in a particularly egregious case, I identified a crucial longstanding bottleneck in data processing pipeline, and reduced the runtime of this process by a factor of 25, drastically improving system's reliability and throughput.- Trained new teammates and provide guidance about complex legacy systems.- Provided off-hours on-call support for critical production systems.- Developed next generation of linear television data processing system leveraging Spark and AWS and Airflow.May 2015 - May 2017: I worked on the deployment & automation team.- Developed release and automation tools.- Prepared releases for deployment.- Fielded questions from other teams about Git, testing, and release workflow.- Use wide knowledge of Comscore's systems to diagnose broken builds and failed testing.- Designed and implemented a tool automating the verification during release of audit requirements that were previously manually verified or not verified at all, saving my team hours each week that had previously been spent manually comparing Git histories and Jira tickets, and improving our audit compliance.- Interviewed and trained new team members.

Portland, Or, Us

Collaborated with client-facing personnel and other developers to flesh out feature specifications.Communicated technical concepts effectively to refine specifications during iterative development process.Implemented aforementioned features in Performance Logic PPM (Project Portfolio Manager) and EOC (Environment of Care) Rounding Center products, mainly working in C++ and Performance Logic's in-house scripting language.Investigated and fixed existing bugs in products.Utilized issue ticketing system to track bugs and features.

Worked with a small team on a web app for data aggregation and manipulation. Used Git to manage project source.Learned intricacies of and technologies utilized in existing codebase and technologies in use in order to contribute new code and identify and fix bugs.Communicated steps to reproduce bugs that I encountered to other team members in situations where I was unable to diagnose and fix the issues myself.Reported progress towards goals during frequent meetings, and adapted goals based on team feedback.Wrote and documented code to import data from IMAP servers, and XML and PDF documents using open source libraries. Interfaced with Dropbox, Last.fm, and Census Bureau's REST APIs to import user data.Designed and implemented modular toolbar UI system and document selector for web app using JavaScript, jQuery, HTML and CSS. Researched and integrated Google Maps and Google Charts APIs.

Explained products and services to customers, diagnosed and repaired mechanical issues, wrote service estimates.

Worked with small maintenance team to perform repairs to units to prepare for rental by painting, repairing walls, refinishing floors, etc., often on a tight deadline.