Senior Software Engineer (React Native)

Senior Software Engineer (React Native)

Important: This role is open only to candidates currently living in Mexico or Latin America. Applications from other regions will not be considered.

Join MagmaLabs, a leading provider of expert software engineers, dedicated to helping companies achieve their goals across diverse and impactful industries. We are actively seeking a seasoned Senior Software Engineer (React Native)to join our fully remote team.

In this pivotal role, you'll apply your passion for building scalable, high-performance mobile applications to solve complex challenges for our clients in healthtech, e-commerce, fintech, logistics, and other fast-growing sectors. You'll play a key role in designing, developing, and maintaining robust cross-platform mobile applications, directly contributing to our clients' success and driving innovation across our projects.

About the Role

Are you a seasoned Senior Software Engineer (React Native)passionate about building intuitive, scalable, and high-performance mobile applications?

Join our fully remote team and play a pivotal role in architecting, developing, and maintaining modern mobile solutions for iOS and Android platforms. You’ll be instrumental in shaping the mobile strategy of our products, making key architectural decisions that directly enhance user experience, performance, and business growth.

Your contributions will drive best practices in mobile engineering, ensuring the reliability, scalability, and maintainability of our applications. If you thrive on solving challenging mobile problems using React Native and modern mobile technologies, we want to hear from you!

Responsibilities

• Lead the architectural design, development, and continuous evolution of scalable React Native mobile applications.
• Build and maintain high-quality cross-platform apps for iOS and Android using modern React Native practices.
• Optimize application performance, memory usage, and responsiveness across devices.
• Design and implement integrations with RESTful and GraphQL APIs.
• Ensure code quality and reliability through automated testing (Jest, React Native Testing Library, Detox).
• Implement secure mobile practices including authentication flows, secure storage, and data protection.
• Collaborate closely with backend engineers, designers, and product managers to deliver seamless end-to-end mobile experiences.
• Contribute to CI/CD pipelines, mobile release processes (App Store / Google Play), and DevOps best practices.
• Maintain comprehensive technical documentation and promote knowledge sharing within the team.
• Conduct code reviews, uphold engineering standards, and mentor junior engineers.
• Participate in architectural discussions and contribute to long-term mobile platform strategy.

Requirements

• Minimum of 7 years of software development experience, with at least 4-5 years focused extensively on React Native.
• Strong proficiency in JavaScript and TypeScript.
• Solid understanding of React Native architecture, hooks, state management (Redux, Zustand, Context API), and performance optimization.
• Experience integrating with RESTful and/or GraphQL APIs.
• Familiarity with native modules and bridging (Swift/Objective-C for iOS, Kotlin/Java for Android).
• Experience with mobile app deployment processes for App Store and Google Play.
• Strong understanding of mobile UI/UX principles and responsive design.
• Experience implementing push notifications, deep linking, and background tasks.
• Proficiency with Git and secure coding practices.
• Experience working in Agile environments (Scrum, Kanban, etc.).
• Strong problem-solving skills and ability to thrive in a remote-first, collaborative environment.
• Excellent communication skills in English.
• Demonstrated ability to take ownership and drive projects independently.
• Proven experience collaborating across time zones and with distributed teams.

Bonus Points If You Have

• Experience with Expo (managed and bare workflows).
• Familiarity with microservices-based backend architectures.
• Knowledge of cloud platforms (AWS, GCP, Azure).
• Experience with performance monitoring tools (Firebase, Sentry, Datadog).
• Understanding of mobile analytics and A/B testing.
• Experience with E2E testing and automated mobile pipelines.
• Exposure to other frontend frameworks like React.js.

About Us

We are a team of innovative software professionals dedicated to delivering high-quality solutions across diverse industries. With a proven track record of success, we prioritize excellence, creativity, and the growth of our team members.

We are committed to continuous learning and professional development, offering opportunities for mentorship, skill expansion, and career progression within a supportive and collaborative environment.

Join us to work on impactful projects and advance your career as a Senior React Native Engineer.