ASO Specialist

Join Proton and help build a better internet where privacy is the default 

Proton is one of Europe’s fastest-growing scale-ups, serving over 100 million users worldwide. Since the launch of our first service – Proton Mail – in 2014 by scientists who met at CERN, Proton now provides an ecosystem of well-known services such as Proton VPN, Proton Drive (encrypted file storage), Proton Pass (encrypted password manager), and much more.

Our mission is to build a more ethical and responsible alternative to Big Tech services, focusing on end-to-end encryption, privacy, open-source, and ease of use. Our user-first approach has helped Proton grow organically to serve millions of consumers and businesses worldwide, with users from organisations including The Guardian, The New York Times, and the UN. Proton does not have venture capital investors, is profitable and self-sufficient, and today has over 500 employees representing over 50 nationalities. Proton’s headquarters are in Geneva, Switzerland, with additional offices in Zurich, London, Paris, Barcelona, Taipei, Skopje, Vilnius, and Prague.

As one of Europe's fastest-growing companies, we offer the chance to tackle complex challenges, influence millions, and shape a more equitable internet. We want to create more than just one of the world's most impactful tech companies: we want to create a new internet that serves the interests of all people. We need you, your voice, your ideas, and your ambition to make it happen.

Tired of blending into the crowd? Join us and do work you can truly be proud of. Check our social media pages to learn more about us: Twitter, Reddit, and Instagram.

The Role:

As our ASO Specialist, you will be responsible for building and executing scalable App Store Optimization strategies across iOS and Android for products. You’ll work cross-functionally with SEO, Product, Design, and Growth teams to improve visibility, increase conversion rates, and support user acquisition in new and existing markets.

This role will blend hands-on execution with strategic thinking and is ideal for someone who thrives in a multilingual, multi-market environment. You’ll play a critical role in unifying our organic presence across web and mobile.

What You’ll Do:

• Drive ASO Strategy Globally: Own and optimize ASO efforts across Google Play and Apple App Stores in key and emerging markets.
  
  
• Keyword Research & Localization: Conduct keyword research using leading tools and local insights. Work with translators/regional teams to scale metadata localization effectively.
  
  
• Creative Asset Optimization: Partner with Design and Product teams to test and optimize store assets (screenshots, app icons, videos, etc.) for conversion across markets.
  
  
• Performance Measurement & Experimentation: Define and track KPIs. Design and analyze A/B tests on store creatives and metadata.
  
  
• Multimarket Expansion: Identify and prioritize international growth opportunities based on market research, competitive analysis, and store performance data.
  
  
• SEO Integration: Collaborate with the SEO team to align landing pages, keyword targeting, and content campaigns with app store strategies for a unified organic acquisition funnel.
  
  
• Tooling & Automation: Recommend and implement ASO tools, workflows, and reporting systems to drive operational excellence.
  
  
• Cross-functional Collaboration: Work closely with Product Marketing, SEO, Analytics, and Growth Engineering to integrate ASO with broader acquisition initiatives.
  
  

What You Bring:

• 5+ years of experience in SEO and how it complements ASO strategies.
  
  
• Solid experience in ASO with a strong understanding of both Google Play and Apple App Store ecosystems.
  
  
• Demonstrated experience scaling ASO efforts in multiple languages/markets.
  
  
• Proven ability to drive measurable improvements in app rankings, impressions, and install conversion rates.
  
  
• Experience with ASO tools like AppTweak, SensorTower, AppFollow, Mobile Action, or equivalent.
  
  
• Strong analytical skills and familiarity with tools like Looker, Google Analytics, Firebase, App Store Connect, and Google Play Console.
  
  
• Experience working with creative teams to optimize app store assets based on market trends and cultural preferences.
  
  
• Comfortable working cross-functionally in a fast-paced, collaborative environment.
  
  
• Strong written and verbal communication in English. Additional languages are a plus.
  
  

Why Join Proton?

• Be part of a movement – your work supports privacy, digital rights, and internet freedom.
  
  
• Work on products that matter – millions use our apps to protect their digital lives.
  
  
• Join a strong, organic team – SEO is a core growth channel at Proton, not an afterthought.
  
  
• Global impact – work with colleagues across 10+ countries and help scale products in 30+ markets.
  
  
• No VC pressure – we’re profitable and mission-driven, not chasing short-term growth.
  
  

Ready to help millions discover better internet tools?

Apply today and help shape the future of private, ethical technology.

 

Check our social media to learn more about Proton: 

LinkedIn ,Reddit ,X, YouTube

 

Our Commitment to Diversity and Inclusion

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. We strive to create equal opportunities, promote open dialogue, and support continuous learning to ensure every voice is heard and respected.

If you need any extra support or reasonable adjustments during the hiring process, please let your talent partner know.

 

Candidate Privacy Notice

When you apply for a position, refer a candidate, or are considered for a role at Proton Technologies AG (Proton, we, us, or our), your information is stored in Greenhouse, in accordance with their Service Privacy Policy. This information is used to evaluate your suitability for the posted position. We also retain this information for consideration for future roles that you may apply for or that we believe may align with your background and skills.

If we no longer have a legitimate business need to process your information, we will either delete or anonymize it. Should you have any inquiries about how we use or manage your information, or if you wish to access, correct, or delete your data, please contact our privacy team.

Proton does not accept unsolicited resumes from any sources other than directly from candidates. We will not pay a fee for any placement resulting from an unsolicited offer, even if the candidate is subsequently hired by Proton.

To learn more about our privacy policy, please visit our privacy policy page.