Senior React Native Developer

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We are seeking a Senior React Native Developer with deep expertise in building high-quality, performant, and scalable mobile applications for both iOS and Android. This role requires advanced proficiency in the React Native ecosystem, from core APIs and native modules to modern state management and robust testing practices.

You will be a key contributor in an agile environment, collaborating with cross-functional teams to deliver exceptional user experiences, focusing on performance, accessibility, and scalability across the entire mobile development lifecycle.

• Strong proficiency in React Native for both iOS and Android platforms, including hands-on experience with core APIs and native modules.
• Advanced JavaScript (ES6+) and TypeScript skills, with a deep understanding of functional and declarative programming principles.
• Solid grasp of React fundamentals (components, hooks, context, state management, and lifecycle).
• Experience with state management libraries such as Redux, Recoil, Zustand, or MobX.
• Experience integrating RESTful APIs or GraphQL, and handling network requests efficiently.
• Strong understanding of mobile build pipelines and deployment processes using Xcode, Android Studio, and CLI tools.
• Experience with testing frameworks like Jest, Detox, or React Native Testing Library.
• Understanding of version control systems (Git, GitHub/GitLab) and CI/CD pipelines for mobile apps.
• Ability to collaborate effectively with designers, backend developers, and product teams in an agile environment.
• Strong problem-solving and debugging skills, with attention to performance, accessibility, and scalability.
• English level: B2+ (or higher)

• Experience writing native modules in Swift, Objective-C, Kotlin, or Java.
• Experience with React Navigation, Reanimated, and Gesture Handler libraries.
• Background in mobile analytics, crash reporting, and monitoring tools (Firebase, Sentry, AppCenter).
• Knowledge of mobile security practices (secure storage, API key management, encryption).
• Experience with push notifications, deep linking, and in-app purchases.
• Familiarity with AI assisted coding tools or automated testing frameworks.
• Contribution to open-source React Native libraries or experience mentoring other developers.

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About Monks

Monks is the global, purely digital, unitary operating brand of S4Capital plc. With a legacy of innovation and specialized expertise, Monks combines an extraordinary range of global marketing and technology services to accelerate business possibilities and redefine how brands and businesses interact with the world. Its integration of systems and workflows delivers unfettered content production, scaled experiences, enterprise-grade technology and data science fueled by AI—managed by the industry's best and most diverse digital talent—to help the world's trailblazing companies outmaneuver and outpace their competition.

Monks was named a Contender in The Forrester Wave: Global Marketing Services. It has remained a constant presence on Adweek's Fastest Growing lists , ranks among Cannes Lions' Top 10 Creative Companies and is the only partner to have been placed in AdExchanger's Programmatic Power Players list every year In addition to being named Adweek's first AI Agency of the Year (2023), Monks has been recognized by Business Intelligence in its 2024 Excellence in Artificial Intelligence Awards program in three categories: the Individual category, Organizational Winner in AI Strategic Planning and AI Product for its service Monks.Flow. Monks has also garnered the title of Webby Production Company of the Year , won a record number of FWAs and has earned a spot on Newsweek's Top 100 Global Most Loved Workplaces 2023.

We are an equal-opportunity employer committed to building a respectful and empowering work environment for all people to freely express themselves amongst colleagues who embrace diversity in all respects. Including fresh voices and unique points of view in all aspects of our business not only creates an environment where we can all grow and thrive but also increases our potential to produce work that better represents—and resonates with—the world around us.