Lars Haßler
Senior Product Manager at Product Leaders Anonymous
Cologne, North Rhine-Westphalia, Germany
Summary
👤
Senior🎓
Top SchoolLars Haßler is a senior product manager based in Cologne with 12 years of experience designing and scaling SaaS and consumer-facing products, currently building AI-powered features at happyhotel. He has a strong track record as a founder and operator—launching remobid and co-founding Joinride—and has taken product organizations from zero to hundreds of customers and millions of monthly reviews at Trusted Shops. Lars excels at transforming sales-driven feature factories into user-centric, metrics-informed product teams, having led hiring, career frameworks, and cross-functional alignment as VP Product at Sastrify and Thing-it. He also cultivates product leadership through a virtual mastermind, mentors product managers, and teaches product and project management topics at university level, reflecting a blend of hands-on execution and community-building. An engineer by training from RWTH Aachen, he brings technical fluency and entrepreneurial grit to strategic product decisions and operational scaling.
12 years of coding experience
19 years of employment as a software developer
Computer Science, Computer Science at RWTH Aachen University
German, English
Stackoverflow
1reputation
0reached
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Github Skills (53)
traversal10
ava10
chai10
enzyme10
todomvc10
testing9
javascript9
mock-server9
typescript9
test-runner9
mocking9
nodejs9
react9
angular9
hermione9
Programming languages (2)
Github contributions (5)
LarsHassler/patternlab-to-gemini
Jul 2016 - Mar 2018
Generates gemini test cases from a patternlab styleguide
Contributions:20 releases, 272 commits, 67 PRs in 1 year 7 months
casesgeminipatternlabstyleguidetest-cases
LarsHassler/gemini
Oct 2016 - Mar 2017
Contributions:2 PRs, 5 pushes, 3 branches in 5 months
regressiontestingpuppeteerscreenshotsregression-testing
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