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Posted Mar 12, 2026

[Remote] Mobile/Frontend AI Software Engineer (all)

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Note: The job is a remote job and is open to candidates in USA. XO Life is a leading Digital Health Scaleup in Germany and Europe, developing the innovative platform brite for healthcare interactions. They are seeking a Mobile/Frontend AI Software Engineer to build user-facing solutions, focusing on designing and implementing client-side applications while collaborating closely with backend services and APIs. Responsibilities • 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 • Ability to effectively use AI tools in daily development work • Own and shape frontend architectures that scale from web to mobile • Integrate third-party APIs and services • Implement real-time features using WebSockets • 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 • 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 Skills • 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 • Expert-level proficiency in modern JavaScript (ES6+) • Strong experience with React, hooks, context API, and state management • Proficiency in modern CSS, styled-components, or similar • Familiarity with Expo framework and development workflow • Experience building cross-platform mobile applications • Strong problem-solving and analytical abilities • Good communication and teamwork abilities • Deep product- and customer-centric mindset • Ability to effectively use AI tools in daily development work • Own and shape frontend architectures that scale from web to mobile • Integrate third-party APIs and services • Implement real-time features using WebSockets • 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 • 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 • 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 Benefits • 100% remote with best IT equipment • You will receive a Mac computer so that you are already technically up to speed. Company Overview • XO Life connects patients and pharma for the better life. It was founded in 2018, and is headquartered in München, Bayern, DEU, with a workforce of 11-50 employees. Its website is https://xo-life.com/.