App Marketing CRO Manager

Vilnius; Kaunas

At Saily, we’re removing the hassle from getting secure data plans while traveling.

No roaming charges, no plastic SIM cards. Just fast, secure mobile data in 200+ countries. Join the team behind Lonely Planet’s #1 eSIM—built for explorers, powered by NordVPN.

Your impact? Helping people stay securely connected, wherever they go.

Main Responsibilities

• Develop data-driven hypotheses for in-app A/B tests across key marketing funnels (onboarding, paywall, upsell, retention) and maintain a structured testing roadmap and backlog;

• Plan, prioritize, and manage the full A/B testing lifecycle — from hypothesis through execution to results analysis;

• Work cross-functionally with designers, developers, analysts, and marketing stakeholders to scope, build, and launch experiments;

• Define success metrics and KPIs for each test; ensure proper data tracking and instrumentation is in place for accurate measurement;

• Monitor live experiments for data quality, statistical significance, and anomalies; proactively flag and remove blockers that could delay launches or compromise results;

• Analyze test outcomes and synthesize findings into clear, actionable recommendations; communicate status and results to relevant stakeholders throughout the process;

• Create and maintain comprehensive documentation for each experiment (hypothesis, setup, audience, duration, results, next steps).

Core Requirements

• Experience in digital marketing, CRO, or growth — with hands-on A/B testing involvement;

• Solid understanding of experimentation methodology: hypothesis design, sample sizing, statistical significance, common pitfalls;

• Familiarity with mobile app development processes and release cycles;

• Experience working with analytics and tracking tools (e.g., Amplitude, Firebase, Mixpanel or similar);

• Strong communication skills (verbal and written) — able to translate test results into clear narratives for both technical and non-technical audiences;

• Data-driven decision-making mindset with strong analytical thinking;

• Rigorous attention to detail, especially around data accuracy and test setup;

• Ability to manage multiple experiments in parallel in a fast-paced environment;

• Self-motivated and self-managing — comfortable owning the process end to end;

• Solid organizational skills, including prioritization, time management, and stakeholder alignment.

What We Offer

Innovate with industry leaders

Work alongside global experts to build world-leading cybersecurity tools, impacting millions of users around the world.

Learn & grow

Boost your skills via our extensive training programs (online and offline) & other resources. Benefit from mentorship and career-switch opportunities to grow within the company.

Work in a next-gen Cyber City office

Thrive in our bustling office, featuring ergonomic workspaces, modern meeting rooms, engaging events, and specialty coffee to fuel your day.

Work from anywhere

Recharge with a change of scenery – choose work from any location when you feel a need to power your creativity and drive.

Physical well-being

Boost your health with free-of-charge 24/7 gym access, onsite and online workouts, and consultations led by in-house Physical Well-Being experts.

Mental & emotional health

Nurture your mind with free psychologist consultations, dedicated mental health events, and premium access to top-rated wellness apps like Calm, Headspace, and Mindletic.

Premium healthcare

Receive private health insurance giving you peace of mind for your health needs.

Extra days off

Enjoy additional vacation days off as you grow with us. Plus, get extra days for sick leave, special occasions, or parenting needs.

Joyful moments – special treats

Celebrate life’s big moments with special gifts from us on your birthday, anniversary, and other major events, such as weddings or the arrival of a new family member.

Company events & team-building

Experience iconic Nord Security celebrations, team-buildings, and knowledge-sharing events, nurturing bonds that fuel our success.

Workation

Embark on a legendary company getaway abroad, filled with exciting activities, live concerts, engaging workshops, and epic time together.