Bartlomiej Szostek
Co-Founder at tem.
London, England, United Kingdom
Summary
🤩
Rockstar🎓
Top SchoolBartlomiej Szostek is a pragmatic co-founder and CTO with 11 years of experience building cloud-native, performance-driven software and data platforms from London. He has hands-on expertise across Python, Go and container orchestration, having led migrations to Kubernetes, implemented GitOps practices, and cut ETL runtimes by 75% while producing machine-learning serving pipelines. His background spans full-stack systems, trading front-office applications and embedded desktop integration, giving him a rare blend of high-performance backend engineering and practical frontend delivery. He cares deeply about clean architecture, measurable performance gains and cost-effective infrastructure decisions—evidenced by PostgreSQL optimisations that yielded significant savings. A former mentor and team lead, he pairs startup grit with formal engineering training (MSc, first-class) to turn complex requirements into reliable production systems. He’s actively hiring for tem., reflecting a continued focus on scaling teams and products.
11 years of coding experience
7 years of employment as a software developer
Bachelor of Science, Informatics, Very good, Bachelor of Science, Informatics, Very good at Silesian University of TechnologyMaster of Science, Computational and Software Techniques in Engineering, First-class honours, Master of Science, Computational and Software Techniques in Engineering, First-class honours at Cranfield University
Polish, English, French
Github Skills (200)
dependabot10
notification-center10
serverless10
nodejs10
sms10
elm10
ant10
inbox10
redux10
backbonejs10
javascript10
push-notifications10
notification10
gmail-api10
ant-design-pro10
Programming languages (12)
Github contributions (5)
bartelemi/IwSK
Mar 2015 - Sep 2015
Contributions:26 commits in 6 months
bartelemi/PerlinNoise
Oct 2014 - Jan 2015
Contributions:72 commits, 6 pushes in 2 months
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