Senior React Native Engineer

About us

First Line Software works with some of the worlds top businesses and organizations across industries such as healthcare, data engineering, warehouse automation, retail digitalization, mobile app development, and e-commerce.

Our projects are as diverse as our people, and we believe in building software through transparency, collaboration, and shared success. We foster an environment where knowledge is exchanged openly and engineers are encouraged to take ownership and grow.

About the project

We are looking for a Senior React Native Engineer to join an ongoing mobile development project built with React Native and React.

You will work within an existing application architecture, focusing on delivering high-quality, scalable, and performant mobile features. The role involves close collaboration with designers, backend engineers, and product stakeholders, ensuring that the mobile application remains reliable, responsive, and easy to maintain over time.

This project offers the opportunity to work with modern frontend technologies, strong engineering practices, and a long-term vision for scalability and maintainability.

Responsibilities

• Design, develop, and maintain React Native components using the existing application architecture.

• Implement best practices for data flow, state management, and component communication.

• Ensure optimal performance, reliability, and responsiveness of mobile applications.

• Collaborate closely with designers, backend engineers, and product stakeholders to deliver high-quality features.

• Participate in code reviews, ensuring adherence to coding standards and architectural guidelines.

• Troubleshoot, debug, and resolve issues throughout the application lifecycle.

• Contribute to the continuous improvement of development processes and technical standards.

• Support application scalability and long-term maintainability.

Requirements

• Strong proficiency in React Native, React, JavaScript, and TypeScript.

• Solid understanding of component-based architecture, state management, and React hooks.

• Experience building efficient, reusable, and scalable UI components.

• Familiarity with RESTful APIs, asynchronous data handling, and backend integrations.

• Working knowledge of mobile performance optimization, debugging, and profiling.

• Experience using Git and collaborative development workflows.

• Ability to write clean, maintainable, and well-documented code following best practices.

• Strong problem-solving skills and high attention to detail.