XO Life GmbH

Role Description We are seeking a Mobile/Frontend AI Software Engineer to join our engineering team to build user-facing solutions that power our digital health platform and help the platform grow. This role focuses on owning, designing, and implementing client-side applications, shaping the frontend strategy while creating seamless user experiences in close collaboration with backend services and APIs. Your mission - Development - Own and build responsive and intuitive mobile-first user interfaces using React and React Native. - Drive the implementation of modern UI/UX designs with strong attention to accessibility and performance. - Integrate frontend applications with backend APIs and services. - Optimize application performance and implement efficient state management. - Develop cross-platform mobile applications using Expo and React Native. - Engineering Tools - Ability to effectively use AI tools in daily development work. - System Architecture & Integration - Own and shape frontend architectures that scale from web to mobile. - Integrate third-party APIs and services. - Implement real-time features using WebSockets. - Infrastructure & Deployment - Work with cloud-based environments (AWS, GCP) to support frontend applications. - Collaborate on CI/CD pipelines impacting frontend delivery. - Monitor application performance and troubleshoot frontend-related issues. - Ensure security best practices in frontend implementation. - Collaboration & Quality - Take full ownership of the quality of the produced frontend outcome. - Partner closely with product managers, designers, and other engineers to shape frontend solutions. - Set, uphold, and evolve frontend quality standards through code reviews. - Write comprehensive technical documentation. Qualifications - Bachelor’s degree in Computer Science, Software Engineering, or related field OR equivalent work experience with a strong technical portfolio. - 7+ years of product development experience with a strong frontend focus. - Experience with growth techniques. - Experience with testing frameworks (unit, integration, end-to-end). - Experience with performance optimization and monitoring tools. - Experience with mobile-first development and responsive design. Requirements - Frontend Technical Skills - JavaScript / TypeScript: Expert-level proficiency in modern JavaScript (ES6+). - React: Strong experience with React, hooks, context API, and state management. - CSS / Styling: Proficiency in modern CSS, styled-components, or similar. - Build Tools: Webpack, Vite, or similar bundling tools. - Expo: Familiarity with Expo framework and development workflow. - React Native: Experience building cross-platform mobile applications. - Soft Skills - Strong problem-solving and analytical abilities. - Good communication and teamwork abilities. - Deep product- and customer-centric mindset. Preferred Qualifications - Understanding of accessibility standards. - Familiarity with design systems and component libraries. - Experience with mobile-specific features (push notifications, offline storage). - Knowledge of mobile performance optimization. Hiring Process - Initial Screening: Technical phone/video introductory and experience call. - Leadership Interview: Discussion focused on leadership principles, values, and cultural fit. - Technical Deep Dive: Live coding session covering React, React Native, and Expo.