HaveDevs

We are developing fitness apps for the German market and are looking for a talented and experienced React Native (Expo) developer with a passion for mobile fitness applications and thought through server-side applications to join our team.

The ideal candidate has a strong product mindset, a deep understanding of mobile development lifecycle on React Native (Expo).

Requirements:

• 4+ years of proven experience as a React Native Developer, with a strong portfolio showcasing fitness application designs;
• Deep knowledge of React Native (including hooks, navigation, state management, performance optimizations);
• Solid experience with Typescript and Expo Ecosystem (including developing production ready apps);
• Experience with app store deployment pipelines (Apple, Google);
• Experience with push notifications, deep linking, offline storage, permissions, etc.;
• Strong proficiency in JavaScript (ES6+) and TypeScript
• Solid understanding of native mobile development (iOS/Android) concepts and bridging native modules;
• Understanding of CI/CD for mobile apps (Fastlane, GitHub Actions, Bitrise, etc.)
• Good understanding of React Native limitations and presence of ready-to-use solutions to tackle complex problems;
• Deep understanding of mobile to server communication patterns, caching, session and state management;
• Knowledge of mobile security best practices;
• Familiarity with Micro-services Architecture, NestJS and API design patterns on backend;
   
• Strong communication and collaboration skills;
• Ability to adapt to changing project requirements and manage multiple tasks simultaneously;
• Ability to work autonomously and proactively;
• Comfort with rapid prototyping and iterative development;
• Willingness to take ownership and wear multiple hats
   

Preferred Qualifications:

• Experience working on projects that include nutrition tracking, workout plans, progress tracking;
• Experience with mono-repos would be an advantage;
• Knowledge of the fitness industry and familiarity with fitness applications and trends is a plus;
• Familiarity with integrating wearable technology, smart devices and synchronisation with external fitness tracking systems such as Apple Health, Fitbit, Garmin.

Key Responsibilities:

• Development of an intuitive and engaging mobile app for IOS and Android, focusing on the fitness and wellness industry.
• Collaboration with stakeholders to gather and analyze requirements, ensuring alignment with business goals and user needs.
• Participate in brainstorming sessions and contribute innovative ideas to enhance the user experience.