Proton was founded in 2014 by scientists from CERN on a simple truth: privacy is a fundamental human right.

Since then, we’ve built the world’s 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 safe.

CRO Specialist – Conversion Rate Optimisation

We are looking for a CRO (Conversion Rate Optimisation) Specialist to support Proton’s Marketing team in improving conversion across our marketing websites and landing pages, spanning traffic from SEO, performance marketing, affiliates, and partnerships.

What You’ll Do

• Be part of end‑to‑end experiment scoping and preparation by helping write and refine hypotheses, draft experiment briefs, align with the team on primary metrics and key guardrails, and translate requirements into the landing page/page‑variant updates needed a...