ASO Manager

Proton was founded in 2014 by scientists from CERN on a simple truth: privacy is a fundamental human right. Since then weve built the worlds largest encrypted email service (Proton Mail) and expanded into Proton VPN Proton Drive Proton Pass and Proton Calendar tools used by millions globally to protect their freedom fight censorship and keep their data some situations Proton has literally helped save lives.

We are profitable independent (no VC control) and selectively hire from the top 1% of applicants. Our 700 team members across 50 countries come from leading organizations and elite academic backgrounds. We move fast keep hierarchy light and prioritize impact over optics. If you want to do meaningful work with exceptionally high-caliber people this is it. Check our open-source projects here.

Organic growth is one of Protons primary acquisition engines weve scaled to over 100 million users without paid performance marketing as the core driver. The Organic Acquisition team owns SEO ASO and content strategy across all Proton products with a current primary focus on Proton VPN and Proton Mail. We operate across 30 markets in multiple languages and the ASO function sits at the intersection of mobile product design and web acquisition strategy.

This role is the first dedicated ASO Lead at Proton meaning youll be building the function not inheriting a playbook. Youll work closely with the SEO Product Design and Growth Engineering teams. The right fit is someone who moves quickly owns results end-to-end and is energised by the scale and complexity of a multilingual multi-product environment.

• Own ASO strategy across Google Play and the Apple App Store for Proton VPN and Proton Mail from keyword architecture to metadata optimisation to creative testing
• Build and scale metadata localisation across 30 markets coordinating with regional translators to improve keyword rankings in priority languages including Korean Japanese Portuguese and German
• Drive install conversion rate improvements through structured creative asset testing working with Design to iterate on screenshots app icons and preview videos based on A/B test results and market-specific insights
• Define ASO KPIs build the reporting infrastructure and own the measurement and experimentation cadence across both stores
• Identify and prioritise new market opportunities through competitive analysis store performance data and market research then execute on them
• Align ASO and SEO strategies so that keyword targeting landing pages and content campaigns form a unified organic acquisition funnel
• Own Protons ASO tooling stack evaluate implement and maintain the tools and workflows that enable scalable multi-product multilingual execution

• 5 years of hands-on ASO experience with a documented record of improving app rankings impressions and install conversion rates across both iOS and Android
• Deep knowledge of the Google Play and Apple App Store ecosystems including ranking algorithms metadata rules creative asset specifications and native A/B testing frameworks
• Proven track record scaling ASO across 10 markets and multiple languages with experience managing localisation workflows at scale
• Strong analytical skills comfortable owning KPI definition measurement and experiment design using App Store Connect Google Play Console Firebase and/or comparable analytics platforms
• Hands-on experience with dedicated ASO tooling (AppTweak SensorTower Mobile Action AppFollow or equivalent)

Nice to Have

• Working fluency in Korean Japanese Portuguese or German
• Experience bridging ASO and SEO strategy to build a unified organic acquisition funnel

• Work that Matters: Millions of people trust Proton with their privacy. We answer only to our users not advertisers not investors with conflicting agendas not governments.
• A Great Team: Diverse collaborative and tight-knit with people from MIT Harvard Stanford Caltech Cambridge ETH and more.
• Technology: The right hardware and software to do your best work.
• Learning & Development: We invest in your growth. Proton is one of the fastest ways to accelerate your career real challenges real ownership from day one.
• Employee Benefits: Strong health coverage solid retirement options generous leave and wellness support.
• Stock Options: From day one you have a real stake in what were building. When Proton wins you win.
• In-Person Collaboration: Offices across Geneva Zürich Barcelona London and more. Youll spend most of your time collaborating face-to-face.
• Food: Lunch and snacks on us every day in the office.
• Transport: We cover public transport bike allowances or parking whichever works for you.
• Flexible Working: You own your schedule. Outcomes matter more than clock-in times.

At Proton we believe diversity drives innovation and strengthens our mission to provide privacy as a default for all. We are committed to fostering an inclusive environment where all individuals regardless of race ethnicity gender age sexual orientation physical ability or socio-economic background feel valued and empowered.

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