Andrew O'Brien is a skilled software engineer with experience at various technology companies. O'Brien began a career at Red Balloon Security, Inc. in February 2019 and continued until February 2021. Following this role, O'Brien worked at River Loop Security from February 2021 to July 2022, until its acquisition by TST. O'Brien then joined Two Six Technologies in April 2022, holding positions as a software engineer, senior software engineer, and lead software engineer. Currently, O'Brien is employed at Meta since June 2025. O'Brien holds a Bachelor's Degree in Computer Science from Stevens Institute of Technology.
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