Reza Lotun
Head Of Seller Systems at Stripe
Area H (Lighthouse Country), British Columbia, Canada
Summary
🤩
Rockstar🎓
Top SchoolReza Lotun is a seasoned engineering leader with 19 years of experience building and scaling product and infrastructure systems for millions of users, currently serving as Head of Seller Systems at Stripe. He has a proven track record at high-growth and hyperscale companies—driving foundational changes at Twitter (algorithmic timeline, timelines/search serving, analytics like Tsar), scaling content and ML serving at Snap, and growing Metabase from early-stage to a multi-thousand-instance SaaS with SOC2 compliance. Reza excels at the intersection of product and infrastructure, architecting core primitives (APIs, RPC serving, analytical pipelines) while rebuilding teams, mentoring individual contributors into leaders, and improving developer velocity. Comfortable in both startup and large-org contexts, he mixes incremental pragmatism with big-picture strategy to deliver stability, cost savings, and product velocity. An active backend contributor to notable open-source tooling like Metabase, he brings deep hands-on experience in authentication, data pipelines, and operational fixes alongside executive leadership.
19 years of coding experience
17 years of employment as a software developer
MSc. Computer Science, MSc. Computer Science at The University of British ColumbiaHon. Bachelor of Science (BS) Computer Science Mathematics Physics (minor in History), Hon. Bachelor of Science (BS) Computer Science Mathematics Physics (minor in History) at University of Toronto
Github Skills (17)
postgresql10
clojure-cli10
clojure10
authentication9
user-authentication9
sql9
testing8
business-intelligence6
analytics6
database5
data-analysis5
reporting-services5
data-visualization5
metabase5
data-visualisation5
Programming languages (4)
Github contributions (5)
metabase/metabase
Sep 2020 - Aug 2022
The easy-to-use open source Business Intelligence and Embedded Analytics tool that lets everyone work with data :bar_chart:
Role in this project:
Back-end Developer
Back-end DeveloperContributions:19 releases, 228 reviews, 24 commits in 1 year 11 months
Contributions summary:Reza primarily focused on back-end development tasks, specifically related to user authentication and database interactions within the Metabase application. They implemented case-insensitive email handling to improve user login functionality, modifying database queries and schema. The user's contributions also included bug fixes related to email updates and password resets, as well as improvements in test coverage. They also contributed to the OOM fix and text field truncation within the sync process.
datasimplestfastestbusiness-analyticsbusiness-intelligence
rlotun/txWebSocket
Jun 2010 - Dec 2010
Contributions:6 commits in 6 months
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