Who Are We?

We are Welltech — a global company with Ukrainian roots and a powerful mission: to move everybody to start and stay well for life. Today 25.5 million users have trusted Welltech to help them build healthy habits — a testament to the real value our innovative, engaging wellness solutions deliver every day. 🌍

With five hubs across Cyprus, Ukraine, Poland, Spain and the UK and a diverse, remote-friendly team of 700+ professionals, we continue to scale rapidly. Our innovative apps — Muscle Booster, Yoga-Go and WalkFit — empower millions to transform their lifestyles and unlock their personal wellness journeys.

Welltech is where your impact becomes real. And our values clearly attest to that: we grow together, we drive results, we lead by example and we are well-makers.

If this looks like you and you thrive in a fast-paced environment, you’ll fit right in at Welltech. Let’s build wellness for millions together.

What We're Looking For

We’re looking for a Staff Product Experimentation Analyst to strengthen our Experimentation team.

In this role, you will:

• Drive data-informed decision-making across Product, Growth, and Marketing

• Work on a wide range of experiment surfaces — from product features and user journeys to marketing campaigns, creatives, and acquisition funnels

• Ensure experiments are well-designed, statistically sound, and actionable

You’ll combine deep methodological expertise with practical business sense while collaborating with Product Managers, Engineers, Marketers, and Designers.

What You’ll Do

Experimentation Data Products & Infrastructure

• Own and maintain core experimentation datasets (assignment, fact, attribute tables)

• Ensure integrations with attribution, marketing, and product data systems (dbt, BI, Appsflyer/Adjust)

• Contribute to the Experimentation Platform roadmap

Experiment Design & Analysis

• Design and analyze experiments across Product, Growth, and Marketing

• Apply A/B tests, geo-experiments, platform lift studies, quasi-experiments, causal inference

• Conduct meta-analyses to uncover broader learnings

Methodological Innovation

• Develop surrogate/predictive metrics for faster decision-making

• Research and implement methods when randomization isn’t feasible

• Partner with Data Science on advanced modeling (incrementality, MMM, attribution)

Stakeholder Partnership

• Collaborate with Product and Engineering on feature tests

• Partner with Marketing and Creative teams on campaign and landing page tests

• Advise teams running experiments or exploratory analyses

Enablement & Training

• Build and deliver trainings, workshops, and playbooks to raise experimentation maturity

• Identify decision pain points and design solutions to improve testing velocity and quality

Must-Have Competencies

• Deep understanding of experimentation fundamentals and statistics

• Hands-on experience running experiments in Product and/or Marketing

• Mastery of SQL and Python

• Strong cross-functional communication skills (Product, Engineering, Marketing, Growth)

• Proactive, impact-oriented mindset, able to balance rigor with speed

Nice-to-Have Competencies

• Experience with causal inference / quasi-experimental methods

• Familiarity with ad platforms (Meta, Google, TikTok) and incrementality measurement

• Experience with experimentation platforms (e.g. EPPO, Statsig)

• Dashboarding skills (Tableau, Looker, Power BI)

• Analytics engineering skills (dbt, Airflow, data modeling)

• Leadership potential to mentor peers and grow into a domain lead

  Candidate Journey

⭕️ Recruiter Call → ⭕️ Meet a Team Member → ⭕️ Skills Assessment → ⭕️ Meet the Leadership Team

✨ Why You’ll Love Being Part of Welltech:

• Grow Together: Join a culture that champions both personal and professional growth. Here, you’ll thrive as we learn, evolve, and succeed together.

• Lead by Example: No matter your role, your leadership matters. Every team member is empowered to inspire and make an impact.

• Results-Driven: We’re all about achieving meaningful outcomes. It’s not just about the effort, but the difference we make every day.

• We Are Well-Makers: Be part of a movement that’s creating a healthier, happier world. Together, we make well-being a reality!

  Check out some of our products

Muscle Booster — https://musclebooster.fitness/

Yoga-Go — https://yoga-go.io/

WalkFit -http://walkfit.pro