Mobile React Native Developer- 6-12 months FTC

International SOS; Greater London; Remote; GBP 55,000 - 75,000; Full time

Benefits offered by this job

Remote

Birthday holiday

Additional annual leave

Private Pension

Private Medical Insurance

Life Assurance

Job summary

International SOS in London is seeking a Mobile React Native Developer to join our dedicated mobile team, building high-performing iOS and Android apps.

You will collaborate with product managers, designers, and engineers, deliver scalable solutions, support localization, and contribute to Agile ceremonies while maintaining clean, well-documented code.

Qualifications

• Proven commercial experience with React Native.
• Hands-on Expo framework experience.
• Strong knowledge of mobile app architecture and best practices.
• Experience working in Agile/Scrum environments.
• Familiarity with Jira and Confluence.

Responsibilities

• Develop, maintain, and enhance apps with React Native and Expo.
• Write clean, well-documented code.
• Collaborate with cross-functional teams to review requirements and estimate effort.
• Deliver responsive and accessible experiences across devices.
• Optimize performance, reliability, and scalability.
• Support localization and multi-language capabilities.

Skills

React Native

Expo

Mobile architecture

Agile/Scrum

Jira

Confluence

Problem solving

Communication

Tools

Expo

Job description

About the Role

We are looking for a talented Mobile React Native Developer to join our dedicated mobile development team. In this role, you will help build and enhance innovative mobile applications that enable users and managers to access critical services through intuitive, high-performing mobile experiences.

Working closely with product managers, designers, backend engineers, and key stakeholders, you will play a vital role in delivering scalable, user-friendly applications across iOS and Android platforms.

What You’ll Be Doing

• Develop, maintain, and enhance mobile applications using React Native and Expo
• Write clean, maintainable, and well-documented code
• Collaborate with cross-functional teams to review requirements, propose technical solutions, and estimate development effort
• Deliver responsive and accessible user experiences across a range of devices and screen sizes
• Optimize applications for performance, reliability, and scalability
• Implement app monitoring, analytics, and performance tracking
• Support localization and multi-language capabilities
• Contribute to technical documentation and internal knowledge-sharing resources
• Participate in Agile/Scrum ceremonies and continuous improvement initiatives

What We’re Looking For

Essential Skills

• Strong commercial experience with React Native
• Hands-on experience with the Expo framework
• Solid understanding of mobile application architecture and development best practices
• Experience working in Agile/Scrum environments
• Familiarity with Jira and Confluence
• Strong problem-solving and debugging skills
• Excellent verbal and written communication skills

Benefits

• Competitive salary and incentive scheme
• Warm, supportive, and open company culture
• An opportunity to thrive in a global environment
• Remote
• Birthday holiday and option to purchase additional annual leave
• Comprehensive Benefits Package: Private Pension, Private Medical Insurance, Life Assurance and more
• Our address: 566 Chiswick High Rd, London W4 5YE

By joining International SOS, you will contribute to a global network dedicated to protecting people and organisations. We offer a dynamic and respectful workplace where expertise, innovation, and collaboration drive our success. International SOS has been awarded as a Top Employer in the UK by the Top Employer's Institute (TEI) for 2025.

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