Lead Product Designer
Scrambly, Serbia
One of the fastest-growing adtech startups in the world, featured in the AppsFlyer Performance Index and Singular ROI Index in just 3.5 years. Growing 250%+ YoY across revenue, team, product, and technology — fully bootstrapped and profitable. Building the future of app discovery: a reward-powered alternative to the App Store and Google Play.
Responsibilities:
•Take full responsibility for UX and UI across all mobile and web products, and make the final call on design decisions
•Work with Product to understand users through research, data, funnels and session replays, then turn insights into prioritized hypotheses
•Design low-effort experiments and A/B tests with Product and Engineering, learn quickly and iterate without dropping quality
•Deliver flows, prototypes, high-fidelity designs and interaction specs, with pixel-perfect execution on everything we ship
•Create and own Scrambly's design language, components and patterns so design stays fast and consistent across platforms
•Represent design in leadership discussions and challenge product or technical decisions that hurt the experience
•Manage external partners (agencies, UX writers, researchers), and hire, mentor and grow the internal team as we scale
Requirements:
•7+ years in product design, with extensive experience on mobile-first consumer products
•A world-class portfolio showing exceptional UX/UI craft, strong product thinking and end-to-end work shipped at scale
•Experience as the sole or lead designer with full ownership of design decisions
•Hands-on experience with user research, usability testing, hypothesis-driven design, rapid prototyping and A/B testing
•Experience leading or mentoring designers, or managing agencies and external partners
•The ability to move fast without losing quality, turning ambiguous problems into simple, elegant solutions
•Confidence presenting and defending your work with leadership and cross-functional teams
•Skill with animation, transitions and microinteractions, and practical use of AI tools in your design workflow
•A strong ownership mindset and comfort in a fast-paced, metrics-driven startup
•English at B2 or above
Working conditions:
•A founding leadership role shaping a global product used by millions
•Full ownership of product design, from vision to execution
•The chance to build the design team from scratch
•Direct collaboration with Product, Engineering, and company leadership
•A fast-paced environment where ideas ship quickly
•Competitive compensation and flexibility
