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

Remote, USA
Posted Jun 13, 2026
Full-time

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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