Johan Hemström
Senior Developer at TeamTech Sverige AB
Sweden
Summary
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Senior🎓
Top SchoolJohan Hemström is a seasoned senior developer based in Sweden with 13 years of experience building robust financial and enterprise systems, particularly in K/kdb+, Java and Linux environments. He has led complex projects from deployment to full rewrites—most notably redesigning and reimplementing Compass in Q/kdb+ and delivering 200+ automated reports for Cinnober’s clearing platform. Comfortable across middleware, NoSQL and distributed asynchronous systems, Johan pairs deep low-latency data expertise with practical DevOps skills (Jenkins, Autosys, WebLogic). He thrives in agile teams and has a track record of solving thorny integration and migration challenges without disrupting dependent systems. A detail-oriented engineer, he often bridges the gap between business analysts and production code to turn precise financial requirements into reliable, auditable software.
13 years of coding experience
11 years of employment as a software developer
Master's degree, Computer science, Master's degree, Computer science at Umeå University
Swedish, English
Github Skills (4)
vacuum4
python3
home-automation2
home-assistant2
Programming languages (1)
Github contributions (3)
QServ/QServ
Mar 2013 - Apr 2018
Contributions:38 commits, 18 pushes, 1 branch in 5 years 1 month
QServ/NadMqttBridge
Oct 2019 - Nov 2019
Contributions:13 pushes, 1 branch in 11 days
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