Freelance​/Interim Senior Product Designer

We’re looking for a Freelancer Senior Product Designer to join our team! This is a high-impact, 6-month assignment starting February 15th, 2026.

Join us in shaping impactful product experiences that reach millions of users worldwide.

👋 Impala Studios

Impala Studios is a leading European-based mobile app publisher, creating, publishing, and maintaining our own apps to make people’s everyday lives easier. We combine deep user care with advanced technology and customizable content to deliver best-in-class iOS experiences.

Our agile, cross-functional Studios bring together all the expertise needed to stay ahead in the ever-changing app market. Millions of users worldwide enjoy our top-ranked apps daily, and our user base continues to grow.

👩🏽💻 Ready to design products that millions rely on every day?

As the Freelancer Senior Product Designer, you will take the design helm of one of our highest-ranking apps in the App Store, The Calculator, boasting 3.5 million monthly active users and serving as a standard for utility apps in the Apple Ecosystem, from iPhone to iPad to Vision Pro & Siri Voice.

You’ll be influencing the daily lives and financial decisions of millions of people. Your work will be seen, touched, and relied upon by a global audience, making it a high-impact design opportunity in the industry.

You’ll lead discovery, connect user insights with behavioral data, and translate complex information into simple, elegant experiences people love to use. Working side‑by‑side with Product, Engineering, and Growth, your mission is to evolve our flagship Calculator from a high‑performance utility into a sophisticated, multi‑purpose financial and mathematical companion for 2026 standards.

In 2026, our goal to win by focusing on the users we already have. During this assignment you will help us build a product experience that is clearly superior to competitors, including Apple’s native offering, delivering premium value that feels fair, transparent, and worth it.

Your specific focus for this assignment will be:

• AI & Voice Strategy & Interaction Framework:
  Lead the design discovery process to identify the most assertive direction for AI and voice‑over integration. You will deliver high‑fidelity prototypes for natural language calculations aimed at reducing friction in complex tasks and increasing user confidence in results.
• Feature Discoverability Redesign:
  Conduct a UX audit to identify the “gap” where users fail to find advanced high‑valued features, such as the “History”, that solve their specific needs. You will deliver proposed flow optimizations and UI suggestions that directly increase feature engagement and conversion.
• Accessibility Review:
  Review and refine the designs and support the technical implementation of Accessibility features currently in progress to ensure our flagship remains inclusive and best‑in‑class for all users.
• Widget Ecosystem Expansion:
  Review our current widget offering and design an updated package of widgets tailored to generate higher user value and significantly increase daily active usage.
• Split Bill Feature:
  Lead the discovery and end‑to‑end design of a dedicated feature for splitting bills, turning a common daily pain point into a seamless, elegant experience.
• Design System Maintenance & Updates:
  Perform ongoing maintenance and provide critical updates to the existing Design System to ensure visual and functional coherence across all platforms, including iPhone and iPad.
• Discovery & Data Validation Reports:
  Connect user insights with behavioral data to provide clear design rationales for every iteration, ensuring our 2026 product experience remains clearly superior to competitors.

Lead Discovery & Design Vision:
Own and drive the design discovery process, from user research and behavioral analysis to concept validation and experience principles for the Calculator products.

Ecosystem Design & iOS:
Craft experiences beyond the iPhone app: widgets, voice, iPad, notifications, AI. Wherever, calculation adds value to daily life. Always following Apple's Human Interface Guidelines.

Data‑Driven Design Decisions:
Combine user insights, analytics,…