Lars Haßler
Senior Product Manager at Joinride
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
0answers
0questions
Github Skills (42)
traversal10
testing9
selenium9
javascript9
yandex9
test-runner9
http9
enzyme9
mocking9
chai9
ava9
react9
angular9
hermione9
nock8
Programming languages (3)
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
pattern-labtestcase
LarsHassler/gemini
Oct 2016 - Mar 2017
Contributions:2 PRs, 5 pushes, 3 branches in 5 months
regressiontestingpuppeteerscreenshotsregression-testing
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