Head of CRO

Company Overview Holafly is a high-growth scale-up revolutionising how travellers connect to the internet abroad. Since 2018, we’ve enabled connectivity in 200+ destinations with reliable eSIM solutions. With a team of 500+ people across multiple countries, we are scaling globally with one clear mission: deliver seamless, unlimited data and total peace of mind to travellers worldwide. Role We are looking for a Head of CRO to build and scale a best-in-class experimentation engine across web and mobile apps. This role goes beyond traditional CRO. You will own how we experiment, release, and optimize user experiences at scale, with a strong focus on mobile apps (iOS & Android). You will leverage feature flags, experimentation frameworks, and A/B testing systems to continuously improve conversion, user flows, and product experience. You will operate at the intersection of Product, Marketing, and Engineering, driving fast iterations that directly impact revenue and user satisfaction.

Key Responsibilities

Own and scale the CRO & experimentation program across app and web Lead mobile-first optimization, improving conversion across app journeys Implement and manage feature flag systems to enable fast, safe releases Design and run high-quality A/B tests and experimentation frameworks Identify friction across the full funnel: onboarding, purchase, upsell, retention Deep dive into user behavior: funnels, cohorts, drop-offs, session analysis Drive continuous improvements in UX, usability, and conversion flows Partner closely with Product and Engineering to ship experiments fast Build and lead a cross-functional CRO team (experimentation, analytics, ops) Establish a company-wide experimentation culture (speed + rigor) Define clear measurement of impact on conversion rate and revenue Qualifications 8–12+ years in CRO, Growth, or Product Growth roles Strong experience optimizing mobile apps (iOS & Android) Proven track record improving conversion at scale in B2C products Hands-on experience with feature flags (e.g. LaunchDarkly, Firebase, Statsig) Strong expertise in A/B testing frameworks and experimentation systems Deep understanding of UX, user behavior, and funnel optimization Experience working closely with Product & Engineering teams Strong analytical skills (Amplitude, Mixpanel, GA4, etc.) Fluent in English What Sets You Apart You have built or scaled experimentation platforms, not just run tests You understand how to combine feature flags + experimentation You are obsessed with removing friction in mobile experiences You move fast and prioritize shipping over perfect analysis You have delivered measurable conversion and revenue impact You thrive in fast-paced, high-growth environments Why Join Holafly Massive global scale in a fast-growing category Direct impact on revenue and core product experience Work closely with leadership and shape the growth engine High ownership, fast execution, low bureaucracy Apply To This Job