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// POSTED: May 2, 2026

Product Manager (m/f/d) at iOS Screen Time Control App Lemio

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Help us protect future generations from smartphone addiction! Tasks You will directly work with Tom who is a product person by heart and who has worked on physical and digital products all his life. Current challenges • Improve LTV per download. (e.g. through paywall testing) • Improve trial start rate. • Coordinate a PR & Marketing campaign together with our Marketing team. • Developing a BI system for analysing user behavior to support retention. • Use Claude Code and other AI tools to automate tasks and workflows. • User interviews to support the ideation for the future of our product. We are looking for people that are willing to get their hands dirty. This is not a strategic role! Requirements Ideally you • always wanted to become the Head of Product of a tech startup. • are excited about mental health and healthy lifestyle in general. • are passionate about users and KPIs. (if you don't love to do 10 user calls every week, don't apply!!!) • have between 3-5 years of work experience. Benefits We are Tom (https://www.linkedin.com/in/tomaszkantor/) and Stephan (https://www.linkedin.com/in/stephan-schmidbauer-33497781/), two founders and members of the impactful Sigma Squared Society. Benefits of working with us: • Impact: We live and breathe impact for humanity and we truly believe that this project will scale globally and mark the beginning of a completely new way of living. • Speed: We are young but already have quite some founding experience. We have both built powerful networks of supporters that help us execute quickly and be as actionable as possible. • Fun!!!! We love the hustle, but it's not worth the pain without a good party, sports or trip as a reward ;) Compensation: tbd depending on seniority Let's protect the mental health & attention span of humanity. Let's turn screen time into life time! Tom & Stephan
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