About us

Ruby Labs is a leading tech company that creates and operates innovative consumer products. We offer a diverse range of opportunities across the health, education, and entertainment industries. Our innovative teams are driving the future of consumer-led products, and we're always looking for passionate individuals to join us. Learn more about our story at: https://rubylabs.com/about-us/

About the role

Ruby Labs is looking for a CRO Manager – someone who lives and breathes conversion optimization and delivers measurable results. In this role, you'll have a clear mission: deliver 15% conversion rate growth in a quarter.

Unlike companies where CRO specialists simply make recommendations, you'll drive the entire process: from data analysis and hypothesis generation to creating high-fidelity mockups, collaborating with developers on implementation, and ultimately owning the performance outcomes.

At Ruby Labs, we've built a compensation structure that directly rewards those who exceed targets – top performers see substantial financial growth tied directly to their impact. If you're ready to apply your optimization talents in an environment where excellence is expected and rewarded, we want to talk to you.

Key Responsibilities

• Lead end-to-end optimization cycles: research → hypothesis → design → testing → rollout.

• Conduct in-depth funnel analysis and competitive benchmarking to identify high-impact opportunities.

• Design high-quality UI/UX mockups that clearly communicate your vision and maintain brand integrity.

• Partner with engineers to ensure flawless test implementation and deployment.

• Maintain uncompromising attention to detail and quality throughout the process.

• Analyze test outcomes with statistical rigor, making confident scaling decisions.

• Document learnings and build a systematic testing roadmap for continuous conversion growth.

• Present insights and results clearly to stakeholders, building alignment and momentum.

Qualifications

• Proven CRO Results: 3+ years of hands-on CRO experience, ideally with subscription or SaaS funnels, with documented performance lifts.

• Design Sensibility: Strong UI/UX understanding, able to create compelling, detailed mockups.

• Analytical Expertise: Skilled in platforms such as Google Analytics, Mixpanel, Growthbook (or similar).

• Execution Excellence: Remarkable attention to detail with a bias for action in fast-moving environments.

• Ownership Mentality: Self-driven, proactive, and comfortable being fully accountable for performance outcomes.

• Communication: Clear, persuasive communicator with strong English skills (written and spoken).

• Fluent English: Strong written and verbal communication skills.

Nice to have

• Experience with BI tools (Tableau, Looker, or similar).

• Exposure to marketing attribution models, UTM parameters, and ROAS measurement.

• Strong project management skills with the ability to prioritize and execute quickly.

• Bachelor’s degree in a relevant field.

What We Offer to High Performers

Ruby Labs is built for ambitious professionals who deliver results. We offer:

• A merit-based environment where performance directly impacts compensation.

• Substantial bonus structure tied to exceeding KPI targets.

• Rapid career advancement for those who consistently deliver.

• Autonomy to implement your vision without bureaucratic barriers.

• Opportunity to work with a team that moves fast and values excellence.

If you're a CRO professional who thrives on measurable impact, loves owning the full optimization process, and wants compensation directly tied to your performance, we want to talk. This role is for someone who doesn't just want to suggest improvements – but wants to create them, implement them, and be rewarded for their success.

Location

Ruby Labs operates within the CET (Central European Time) zone. Applicants from any country are welcome to apply for the position as long as they are located within approximately ± 4 hours of CET. This ensures optimal collaboration and communication during working hours.

Compensation

The budget for this role is up to €7,500 per month, based on experience and seniority.

Benefits

Discover the perks of being part of our vibrant team! We offer:

• Remote Work Environment: Embrace the freedom to work from anywhere, anytime, promoting a healthy work-life balance.

• Unlimited PTO: Enjoy unlimited paid time off to recharge and prioritize your well-being, without counting days.

• Paid National Holidays: Celebrate and relax on national holidays with paid time off to unwind and recharge.

• Company-provided MacBook: Experience seamless productivity with top-notch Apple MacBooks provided to all employees who need them.

• Flexible Independent Contractor Agreement: Unlock the benefits of flexibility, autonomy, and entrepreneurial opportunities. Benefit from tax advantages, networking opportunities, reduced employment obligations, and the freedom to work from anywhere. Read more about it here: https://docs.google.com/document/d/1nkrN76JlZkbKj9WSOhlT1_mni_CZeDkHdwfIjPXVwvk/preview?tab=t.0#heading=h.ndsdl4wapxtt

Be part of our fast-growing team and seize this excellent opportunity for personal and professional growth!

Interview Process

After submitting your application, we conduct a thorough review which typically takes 3 to 5 days, but may occasionally take longer due to the volume of applications received. If we see a potential fit, we proceed with the following steps:

• Recruiter Screening (40 minutes)

• Home Task Assignment

• First Interview (60 minutes)

• Final Interview (45 minutes)

Life at Ruby Labs

At Ruby Labs, we move fast, aim high, and expect the same from our team. We’re not here to play small—we’re here to build, grow, and win. That means we look for people who are ambitious, driven, and ready to give their best every single day.

This is a place for individuals who thrive under pressure, embrace challenges, and see opportunity in every obstacle. If you’re hungry to achieve, motivated by impact, and want to grow at the speed of your own ambition, Ruby Labs offers the platform to make it happen.

Here, effort is matched with reward. We recognize those who go all in and deliver results, and we create space for people who want more—more responsibility, more growth, and more success.

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