# Timothy Vergenz > Experienced software engineer & data scientist. Passionate about doing good. Location: Jacksonville, Florida, United States Profile: https://flows.cv/timothyvergenz Seeking a role in data or software engineering at a company with a positive impact on society. (Tackling climate change, public health, education, inequality, etc. I'm open-minded about what that impact may be. πŸ™‚) Strengths: Passion & energy – for civic, social, & climate equity; hope in humanity’s capacity to cooperate Data – SQL expert (advanced joins, window functions, recursive CTEs, query optimization, ...); data extraction & orchestration (Airflow, Dagster, ETL/ELT architectures, etc.); data modeling in dbt; visualization & communication of findings with stakeholders Software engineering – expert @ Git, Python, JavaScript, Bash scripting, CI/CD; opinionated toward human-centered design, security, maintainability, clarity, & incrementalism; deft at Jira ## Work Experience ### Senior Software Engineer @ Nava Jan 2024 – Present | Jacksonville, Florida, United States ### Senior Software Engineer @ SemanticBits is now part of ICF Jan 2022 – Jan 2024 | Jacksonville, Florida, United States - Transferred to SWE to backfill critical maintenance & security remediation needs for CMS Quality Payments Program analysis & reporting platform (custom BI tool + ancillary svcs.) - Implemented custom visualization types for data science team in React & Python/Flask - Found & remediated 5+ critical-severity actually-exploitable security vulnerabilities (e.g. plaintext disclosure of auth signing secret) across 3+ microservices over 12 months ### Data Scientist @ SemanticBits is now part of ICF Jan 2021 – Jan 2023 - First hire on CMS Clinical Standards and Quality analytics & reporting strategy contract - Explored nursing home abuse citations via dbt / SQL & produced QuickSight dashboard - Built ELT pipeline for enterprise QuickSight usage metadata using AWS APIs & dbt; produced executive dashboard to evaluate cost savings & monitor progress of agency data modernization - Extended Python dbt-core to integrate SQL comments into table & column documentation - Researched & prototyped SQL PoC for a dbt Redshift direct-to-S3 external table materialization ### Data Scientist @ True Link Financial Jan 2019 – Jan 2020 | San Francisco Bay Area - Owned data modeling, governance process, & analysis in Sisense BI; identified causes of signup dropoff, evaluated marketing campaigns, found early predictors of retention, & more - ID’d & fixed critical oversight in core growth metric calculation; led to major business pivot - Refined core growth metric to focus on revenue streams best aligned with customer value, and adapted sales team incentive formula to align with core metric changes & improve auditability ### Product Manager @ True Link Financial Jan 2018 – Jan 2019 | San Francisco, CA - Coordinated product, data, and operations to launch Ohio ABLE Act card program on 3-month timeline, providing liquidity to tax-advantaged savings for people with disabilities - Designed & launched HIPAA-compliant encryption for customer attachments and notes, an embeddable product signup widget for landing pages, self-serve user management, and more - Identified erroneous growth metrics reporting in an important market segment and rolled out a fix, contributing to strategic company pivot away from that market ### Full Stack Software Engineer @ Udacity Jan 2016 – Jan 2018 | Mountain View, CA - Led Careers engineering team to launch Udacity’s Career Portal to >30k students - Managed team to launch Google-backed Android certification exam in 2 months, including deadline tracking, one-time payments, and ID verification; >$1 million in purchases - Built escalation flow for anomalous project submissions, saving thousands of hours of staff and contractor time ### Teaching Assistant (Automata & Complexity Theory) @ Georgia Institute of Technology Jan 2015 – Jan 2015 | Atlanta, GA ### Software Engineer Intern @ Palantir Technologies Jan 2014 – Jan 2014 | New York, NY Developed strategies to detect fraud, investigate cyber intrusion incidents, analyze phishing campaigns, and detect data exfiltration; co-inventor on a patent ### Forward Deployed Engineer Intern @ Palantir Technologies Jan 2013 – Jan 2013 | Palo Alto, CA ### Teaching Assistant (Circuits, Assembly, & C Programming) @ Georgia Institute of Technology Jan 2012 – Jan 2012 | Atlanta, GA ### Intern @ Align Networks Jan 2012 – Jan 2012 | Jacksonville, FL ### Intern @ CSX Technology Jan 2011 – Jan 2011 | Jacksonville, FL ## Education ### Bachelor of Science (B.S.) in Computer Science Georgia Institute of Technology Jan 2011 – Jan 2015 ## Contact & Social - LinkedIn: https://linkedin.com/in/vergenzt - GitHub: http://github.com/vergenzt - Website: http://stackoverflow.com/users/718180/vergenzt --- Source: https://flows.cv/timothyvergenz JSON Resume: https://flows.cv/timothyvergenz/resume.json Last updated: 2026-03-22