Overview
Alec Carper serves as Chief Technology Officer at Blue Onion as of July 2025[1][2]. Carper previously held engineering leadership roles at Stripe across multiple divisions, including Head of Engineering for Stripe Tax from June 2021 to January 2023[6], Head of Engineering for Stripe Data Services from January 2023 to February 2024[5], Sr Staff Engineer for Stripe Tax from February to December 2024[4], and Head of Engineering for TaxJar at Stripe from October 2024 to July 2025[3]. Before joining Stripe, Carper worked at TaxJar in progressively senior engineering positions, serving as Director of Engineering from January 2018 to October 2019[9], Vice President of Engineering from October 2019 to September 2020[8], and Chief Technology Officer from September 2020 to October 2021[7].
Career history
- Chief Technology OfficerJul 2025 to presentBlue Onion
- Head of Engineering, TaxJarOct 2024 to Jul 2025Stripe
- Sr Staff Engineer, Stripe TaxFeb 2024 to Dec 2024Stripe
- Head of Engineering, Stripe Data ServicesJan 2023 to Feb 2024Stripe
- Head of Engineering, Stripe TaxJun 2021 to Jan 2023Stripe
- Chief Technology OfficerSep 2020 to Oct 2021TaxJar
- Vice President Of EngineeringOct 2019 to Sep 2020TaxJar
- Director of EngineeringJan 2018 to Oct 2019TaxJar
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