Senior Mobile Application Developer (iOS + Android, React Native & Flutter)

Full-Time Remote Position Working Hours: 40 Hours per Week Budget: 500-800$ per month, salary depends on your experience, technical expertise, and overall fit for the role About SoStudy: We are building SoStudy, a modern learning platform for students in Germany and, over time, internationally. Our mission is to create an educational product with the quality, polish, and user experience standards of top-tier consumer applications. We care deeply about: •⁠ ⁠clean and modern UI •⁠ ⁠smooth animations and interactions •⁠ ⁠scalable architecture •⁠ ⁠high attention to detail •⁠ ⁠premium mobile user experiences We are currently looking for experienced senior mobile developers with strong expertise in native iOS development (Swift / SwiftUI), especially with the latest iOS 26 features, glass/material-style components, and high-quality animations. Additionally, experience in one or more of the following areas would be highly valuable for us: • Android Development (Kotlin / Jetpack Compose) • React Native • Flutter Our main focus is finding someone with very strong iOS expertise combined with experience in at least one additional mobile framework or platform. What You'll Work On: •⁠ ⁠Build high-quality mobile applications from scratch •⁠ ⁠Translate Figma designs into polished, pixel-perfect mobile UI •⁠ ⁠Implement smooth animations, gestures, and modern interactions •⁠ ⁠Build scalable architecture and maintain clean code structure •⁠ ⁠Create reusable UI components and design system foundations •⁠ ⁠Collaborate closely with product and design teams to deliver premium user experiences •⁠ ⁠Optimize applications for performance, responsiveness, and accessibility •⁠ ⁠Contribute to technical decisions and help shape the product from an early stage Required Skills & Experience: •⁠ ⁠Minimum 3+ years of professional mobile development experience •⁠ ⁠Strong understanding of clean architecture and modular code structure •⁠ ⁠Experience shipping production applications to the App Store or Google Play •⁠ ⁠Strong UI/UX sensitivity and attention to detail •⁠ ⁠Experience working with Figma •⁠ ⁠Comfortable using modern AI-assisted development tools and workflows •⁠ ⁠Good English communication skills •⁠ ⁠Ability to work independently in a remote environment Big Plus: •⁠ ⁠Experience with multiple mobile platforms •⁠ ⁠Advanced animations and gesture handling •⁠ ⁠Design systems and reusable component libraries •⁠ ⁠Accessibility and performance optimization •⁠ ⁠Experience building applications completely from scratch •⁠ ⁠Experience creating highly polished modern mobile interfaces What We Offer: •⁠ ⁠Real ownership and influence on technical decisions •⁠ ⁠Opportunity to help shape a product from an early stage •⁠ ⁠Small team with fast feedback loops •⁠ ⁠Modern AI-assisted development workflow •⁠ ⁠Long-term collaboration opportunity •⁠ ⁠Fully remote work environment We look forward to hearing from you and potentially building something exceptional together at SoStudy.