Full-Time

Product Design Prototyper

Prototyping, Multiple Teams

Posted on 8/26/2025

Welltech

Welltech

Develops mobile health and fitness apps

No salary listed

Remote in Spain

Remote

Applicants from outside these locations are also welcome if they are open to relocating to one of them.

Category
UI/UX & Design (1)
Required Skills
Interaction Design
Figma
iOS/Swift
Product Design
Requirements
  • Strong visual and interaction design craft, with a focus on mobile UX/UI and motion.
  • Proven experience designing for iOS (UIKit, SwiftUI familiarity a big plus).
  • Know your way around Figma and be able to contribute to the build and evolution of design libraries.
  • Ability to communicate design decisions clearly, and collaborate constructively with engineers and product stakeholders.
  • Comfort building prototypes that simulate real app behavior and showcase transitions, feedback, and engagement patterns.
  • A bias for clarity, simplicity, and beauty in everything you ship.
Responsibilities
  • Design visually rich mobile experiences, with particular focus on iOS-first design quality.
  • Translate complex fitness routines, programs, and video content into delightful, engaging UI and interaction models.
  • Build high-fidelity prototypes that showcase motion, transitions, and real app logic.
  • Work closely with iOS and Android engineers to ensure visual and performance fidelity from mockup to implementation.
  • Participate in shaping the visual identity and interaction paradigms of workout-related features - making fitness approachable and motivating.
  • Continuously build your understanding of fitness, training concepts, and content workflows to design with authenticity and clarity.
  • Collaborate across design, content, and product to refine how workout videos, instructions, and plans are presented to diverse user groups.
Desired Qualifications
  • Working knowledge of SwiftUI, or UIKit.
  • Experience designing content-driven or streaming interfaces (e.g., workouts, classes, educational content).
  • Background or personal interest in fitness, sports, or wellness — whether professional or recreational.
  • Experience with video-based UI and interaction design (e.g., workouts, reels, tutorials).
  • Interest in learning the fundamentals of fitness content production — from video formats to training types — and applying that knowledge to product design.
  • Experience in working with LLMs to deliver personal user experiences.

Welltech is a global health and fitness tech company with Ukrainian roots that builds mobile apps focused on wellness. The company offers a suite of apps for fitness tracking, weight loss programs, yoga instruction, and intermittent fasting guidance. Users access core features via free apps and pay for premium content through in-app purchases or subscriptions, enabling personalized plans and enhanced content. The products run on mobile devices and are designed to be easy for individuals to use on their own, with revenue coming from direct-to-consumer subscriptions and purchases. Welltech differentiates itself by growing organically without external funding, expanding through multiple European hubs (five centers) and maintaining a sizable global user base with over 220 million installs. Its goal is to help people improve their health and fitness by delivering accessible, scalable wellness tools that people can use anytime, anywhere.

Company Size

N/A

Company Stage

N/A

Total Funding

N/A

Headquarters

N/A

Founded

N/A

Simplify Jobs

Simplify's Take

What believers are saying

  • Organic growth sustains 753 employees and $25.5M revenue.
  • UK entity diversifies into electromedical equipment manufacturing.
  • Apps foster healthy habits for millions of users worldwide.

What critics are saying

  • MyFitnessPal erodes subscriptions via Under Armour cross-promotions.
  • Apple Fitness+ locks iPhone users with HealthKit exclusivity.
  • Google Fit undercuts $9.99/month with free Gemini AI.

What makes Welltech unique

  • Welltech bootstrapped to $25.5M revenue without external funding.
  • Portfolio exceeds 220 million installs across six apps.
  • Operates hubs in US, Ukraine, Poland, UK, Spain.

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Benefits

Wellness Program

Professional Development Budget

Performance Bonus

INACTIVE