KAI TOBIAS HOTZ

Engineered scalable frontend architecture with React, React Native, and TypeScript supporting 60,000 monthly active users. Enforced coding best practices via code reviews and ESLint/Prettier optimization, improving code quality by 70%. Optimized app and shared component libraries enhancing build time and startup performance. Partnered with cross-functional teams enabling 24 releases per year. Mentored junior developers and developed new features improving user engagement by 15%. Owned internal web applications and main design systems ensuring brand consistency and streamlined development. Developed 50+ reusable components accelerating feature delivery by 35%.

Engineered scalable frontend architecture supporting 60,000 monthly users with React, React Native, and TypeScript. Improved code quality by 70% through code reviews and optimized ESLint/Prettier. Reduced build time by 80% and improved app startup by 35%. Partnered with Product and Design teams to enable 24 releases per year with high usability. Mentored 3 junior developers and enhanced user engagement by 15%. Owned internal web apps and design systems, ensuring brand consistency with 50+ reusable components, accelerating feature delivery by 35%.

Leading design and implementation of scalable frontend architecture for an AI-powered financial assistant with React, TypeScript, and Socket.IO, improving data refresh latency by 30%. Migrated legacy Vue.js apps to React.js reducing load times by 25%. Mentored junior/mid-level developers, speeding feature delivery by 20%. Established coding standards with ESLint and Prettier, reducing linting errors by 90%. Collaborated closely across teams to deliver major product releases on schedule. Built and maintained a reusable component library aligned with a centralized design system, cutting UI development time by 40%.