Krzysztof Karski
CTO, Co-Founder at SuperMarketer
San Francisco, California, Sweden
Summary
👤
Senior🎓
Top SchoolKrzysztof Karski is a seasoned technology leader and co-founder based in San Francisco with a 25-year career arc and 11 years in executive engineering roles, specializing in payments, risk analytics, and building engineering organizations from the ground up. As CTO and prior Director/VP roles at Finix, G-Coin and Western Union he led large teams to deliver merchant settlement, payouts, fraud prevention pipelines, PCI-compliant services and embedded analytics during periods of rapid growth. He repeatedly bootsrapped data and devops stacks—standing up data warehouses, CI/CD, Terraform/Ansible automation and monitoring—to shift teams from firefighting to product delivery. Known for growing and mentoring engineers into leadership, he balances strategic vision with hands-on architecture and operational ownership. An economist and fine arts undergrad with an MS in Computer Science, he combines analytical rigor and creative problem-solving to tackle ambiguous startup challenges.
11 years of coding experience
16 years of employment as a software developer
American School of WarsawB. A. Economics and Fine Arts, B. A. Economics and Fine Arts at Macalester CollegeM. S. Computer Science, M. S. Computer Science at University of St. Thomas
Polish, Swedish, German, English
Github Skills (106)
config-server10
application10
predict10
secrets9
fine-tuning9
vector-database9
flask9
llm9
configurations9
data-structures9
environment-variables9
secret-management9
nlp8
gpt8
pipeline8
Programming languages (9)
Github contributions (5)
appcrossings/appconfig-client
Sep 2015 - Oct 2018
Contributions:5 PRs, 50 pushes, 3 branches in 3 years 1 month
configrd/configrd-service
Dec 2015 - Jun 2019
Deliver environment configurations and secrets to your engineering team's entire development flow. Configrd syncs variables and secrets across developer workstations, CI/CD pipelines and runtime environments.
Contributions:1 review, 111 commits, 12 PRs in 3 years 6 months
environment-variablesengineering-teamruntimeconfig-serverconfiguration-files
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