Senior UX Researcher

Unicorn Foundations: At Cosmose AI, we’re building smart, innovative technology that’s redefining digital marketing and content distribution. Since launching in 2014, we’ve gone from transforming offline shopping to powering personalized content experiences through AI. Founded by Miron Mironiuk, our journey began with one bold idea - and it has grown into a feature that caters to what people care about most, right from their lock screens.

Exceptional Engineering: Our engineering team is far from average; it's a powerhouse of talent. Comprising former FAANG employees and programming champions, they bring deep expertise and a shared commitment to building world-class products. Our strength lies in engineering solutions that leverage the power of AI, Data, and distributed computing. We thrive in a fast-paced startup environment, where agility, creativity, and quality drive everything we do.

Global Presence, Local Innovation: Cosmose AI is a global company with a presence in 8 countries, transforming content engagement through cutting-edge technology. Our flagship product - KAIKAI Lock Screen - delivers AI-powered, personalized content to users worldwide, unlocking new and exciting opportunities for product placement. 

 

We are searching for a Senior UX Researcher to join our team. As a Senior UX Researcher, you will play an integral role in the product development team and collaborate with other team members to make key decisions regarding product needs. We value experience in design for both web and mobile environments. In this role, you will be tackling unique analytical problems from all angles, while advocating for the best user experience and continuously improving the look and feel of both internal and external-facing products.

 

We’re looking for someone who:

  • Dreams Big: Ambitious, passionate, and driven to achieve massive goals.
  • Is Customer-Centric: Cares deeply about our customers and strives to provide them with the best solutions.
  • Celebrates Both Success & Failure: Rejoices in wins while proactively reflecting, learning, and improving from defeats.
  • Embodies Honesty and Integrity: Values and provides respectful feedback.
  • Is a Problem Solver: A fixer, not a complainer.
  • Is Action-Oriented: Works and makes SMART decisions quickly and with conviction.

 

What you’ll do:

  • Execute comprehensive research: Design and conduct a variety of qualitative and quantitative mixed-methods research (e.g., interviews, usability testing, web/app analytics, A/B tests, surveys) 
  • Deliver actionable insights: Synthesize complex data into compelling, easy-to-understand deliverables like detailed research reports, user journeys, and personas.
  • Influence product direction: Be a key contributor in defining and refining our product roadmap, advocating for the user at every stage.
  • Contribute to innovating the lock screen experience: Our flagship KAIKAI Lock Screen drives AI-powered personalized content to users worldwide.
  • Engage with global teams: Partner effectively with cross-geographical teams and user bases, leveraging Cosmose's international presence.
  • Work in a transparent environment: Thrive in a flat organizational structure that promotes transparency and a straightforward "no-B.S." communication style.

 

What you’ll need:

  • Strong hands-on UX research experience, ideally in a product, brand, or agency setting.
  • Strong analytical skills to measure, analyze, and synthesize user research data into actionable insights.
  • Proficiency with analytics tools like Google Analytics and Smartlook to evaluate website and app performance.
  • Experience with wireframing and validating design concepts.
  • Exceptional collaboration skills to work effectively with cross-functional teams (Product, Design, Engineering, Marketing).
  • A strategic and pragmatic mindset, capable of both conceptual thinking and driving projects to completion.
  • Intuitive understanding of design conventions and when to innovate for optimal user experience.

 

For this job application, a portfolio or samples are required. We would like to see at least three case studies with a thorough analysis of a user experience problem, and a showcase of how you solved it.

 

What you’ll enjoy:

Cosmose provides employees with a great platform to immerse and learn about the most exciting, innovative, and disruptive technologies in offline behavior solutions, unveiling untapped opportunities and profits in the industry. The company constantly innovates to invent and apply world-class technologies with a rockstar engineering team, including four world championship programming medalists. You’ll be working with a strong leadership team backed by experience from various key strategic areas and many other driven & intelligent people across the company. Cosmose is a place where great culture and goals unite departments and individuals to achieve big milestones together.

 

We’re building something big, and we’re just getting started.

 

If you’re excited about shaping the future of AI-powered mobile content, we’d love to meet you.

 

👉 Be part of the Cosmose story. Apply now!

 

 

Read more on:
TechCrunch, Business Insider, Forbes and CNBC.

ID: 85 job_post.published_on: 12/02/2026
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