Jack Marsh
Co-Founder & CTO at Liminal
United Kingdom
Summary
👤
Senior🎓
Top SchoolJack Marsh is a founder and CTO with 10 years’ experience building high-throughput fintech infrastructure and products, currently leading Liminal after founding DeFlux Payments to simplify bank-to-crypto flows via Open Banking. He scaled Thought Machine’s core banking general ledger (achieving a 30x TPS improvement) and rewrote critical PostgreSQL driver layers, showing a knack for squeezing performance from databases at scale. A First Class Computer Science graduate from the University of Exeter (Dean’s Commendation, top 5%), he blends hands-on backend and infrastructure engineering with commercial product instincts. Comfortable across payments, open banking, and stablecoins, Jack pairs startup grit with enterprise-grade engineering and a track record of shipping resilient systems under real financial constraints.
10 years of coding experience
6 years of employment as a software developer
High School, International Baccalaureate, High School, International Baccalaureate at Hockerill Anglo-European CollegeBachelor of Science - BS, Computer Science with Industrial Placement, Bachelor of Science - BS, Computer Science with Industrial Placement at University of Exeter
English, French, German, Spanish
Github Skills (10)
golang4
postgresql4
grafana3
cargo3
python3
monitoring3
build-system2
rust2
go2
please-build1
Programming languages (4)
Github contributions (5)
odonate/postgres-exporter
Feb 2023 - Feb 2023
Contributions:49 commits, 42 pushes, 1 branch in 21 days
jackmarsh/Attentive-Neural-Protein-Structure-Prediction
Mar 2019 - Dec 2020
Contributions:12 commits, 11 pushes, 1 branch in 1 year 8 months
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