Front End Engineer

SQUIRE is the leading business management system designed for the needs of barbers, shop owners, and their communities. We believe the pursuit of artistry and autonomy should not be restricted by the complexities of running a business. With SQUIRE, we provide custom-branded tools, resources, and guidance to help barbers of all stages and experience levels attract and retain more customers, efficiently manage their shop operations, and increase their revenue. Founded in 2015, SQUIRE is trusted by barbers in 4,000+ shops in more than a thousand cities around the globe. From streamlined booking and opening new shops to real-time earning dashboards and building lasting customer relationships, SQUIRE supports shop owners in seamlessly bridging the gap between their personal craft and business goals. SQUIRE enables barbers everywhere to unlock their full potential both as artists and as entrepreneurs. Summary The Front End Developer (React Native) plays a critical role in building and maintaining high-performance mobile applications using React Native and Expo. This role requires deep expertise in mobile development, modern JavaScript frameworks, and scalable architecture. Responsibilities include designing and implementing new features, improving application performance, ensuring seamless user experiences, and collaborating closely with cross-functional teams. Reports To Engineering Manager Job Duties and Responsibilities Develop and maintain high-quality, scalable mobile applications using React Native and Expo Architect and implement robust, reusable, and maintainable components and modules Optimize performance of mobile applications to ensure smooth animations, fast load times, and efficient memory usage Collaborate with designers and product teams to translate wireframes and mockups into fully functional mobile applications Integrate APIs and third-party services, ensuring smooth communication between front-end and back-end systems Ensure cross-platform compatibility and responsiveness across iOS and Android, and Web devices Write clean, maintainable, and well-documented code following best practices and coding standards Conduct code reviews and provide mentorship to junior developers Implement and maintain automated testing to ensure application stability and performance Stay up to date with the latest mobile development trends and best practices in the React Native and Expo ecosystem Participate in Agile development processes, including sprint planning, estimation, and retrospectives Requirements and Qualification 5+ years of experience in mobile development, with at least 3 years of hands-on experience with React Native and Expo Proficiency in JavaScript and TypeScript, including ES6+ features Deep understanding of React Native core concepts, including hooks, state management, and component lifecycle Experience with Expo SDK, including Expo modules, EAS (Expo Application Services), and Expo Go Strong knowledge of mobile UI/UX principles, animations, and accessibility best practices Experience integrating RESTful APIs into mobile applications Familiarity with push notifications, deep linking, and mobile authentication mechanisms (APN, FCM, Apple/Google Auth) Experience with native mobile development (Swift/Kotlin) is a plus but not required Understanding of CI/CD pipelines for mobile applications, including App Store and Google Play deployment Familiarity with performance optimization techniques for mobile applications Excellent problem-solving skills and ability to work independently in a fast-paced environment English proficiency is a must. You must be able to clearly communicate your ideas and work with English-speaking team members Preferred: Based in Buenos Aires with availability to work on-site in our office in CABA two days a week (Tuesdays and Thursdays) Interview Accommodations SQUIRE is committed to working with and providing reasonable assistance to individuals with physical and mental disabilities. If you are an individual with a disability requiring an accommodation to apply for an open position, please email your request to and someone on our team will respond to your request. Equal Employment Opportunity SQUIRE provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws. Pay Transparency Nondiscrimination Provision SQUIRE will not discharge or in any other manner discriminate against employees or applicants because they have inquired about, discussed, or disclosed their own pay or the pay of another employee or applicant. #J-18808-Ljbffr