React Native App Developer

About Chemist4U

Chemist4U is one of the UK’s largest online pharmacies, making medicines, expert advice, and everyday health essentials easier to access than ever. We’re redefining modern healthcare and helping people “feel better for less”. With a fast-growing, innovative team, we deliver trusted pharmacy care straight to our customers’ doors.

Join us and be part of a company that’s transforming healthcare and making a real difference every day.

Our purpose

Help everyone feel better, sooner.

Our mission

Empower everyone to take control of their health by providing world class technology and pharmacy services.

Our values

• Collaboration
• Integrity
• Positivity
• Growth
• Customer centricity

We simplify processes and medication management by leveraging cutting-edge technology and empowering our team. Whether through seamless online services or expert support, we ensure reliable and hassle-free healthcare so our customers can focus on their well-being.

About the role:Reporting to: Software Development Manager

Job type: Permanent

Salary: Competitive

Working Pattern & Hours: Monday-Friday, 37.5 hours per week

Location: Remote

At Chemist4U, we’re looking for React Native App Developers to take ownership of our in-house mobile applications: Chemist4U and myBMI. You’ll play a key role in maintaining, improving, and extending these apps, ensuring they deliver a seamless experience for our customers. This is a hands-on role where you’ll collaborate with a talented team to build new features, resolve issues, and continuously enhance performance and usability.

Key Responsibilities:

The ideal App Developer will bring a combination of hands-on expertise demonstrated through the following skills and experience:

App Development

• Design, develop, and enhance features within our React Native applications.
• Maintain and optimize code for performance, scalability, and reliability.
• Collaborate with designers to implement UI/UX from Figma prototypes.

Integration & Backend Collaboration

• Work with APIs (REST/GraphQL) and integrate with AWS Serverless services.
• Review logs, troubleshoot issues, and contribute to API design discussions.

Quality & Best Practices

• Apply best practices such as TDD, design patterns, and CI/CD workflows.
• Ensure code quality through automated testing and peer reviews.

DevOps & CI/CD

• Integrate mobile workflows into CI/CD pipelines using tools like GitHub Actions or Azure DevOps.
• Support smooth deployments and release readiness.
• Contribute to monitoring and alerting strategies for app performance.

Testing & Performance

• Implement automated testing with Jest, React Testing Library, and Cypress.
• Optimize app performance across devices and platforms.
• Monitor technical debt and maintain long-term code health.

Collaboration & Mentorship

• Work closely with product managers, designers, and developers to deliver business-aligned features.
• Help to foster a collaborative, inclusive engineering culture.

Continuous Improvement

• Stay ahead of industry trends in mobile development and serverless technologies.
• Contribute to process improvements and innovation initiatives.

About You:

The ideal candidate will have a proven track record in mobile app development, with deep expertise in React Native. You’ll bring strong programming skills in JavaScript and TypeScript, with React Native as your primary framework, and a solid understanding of modern JavaScript principles, component-based architecture, and state management. Experience integrating and consuming RESTful APIs is essential, along with proficiency in version control systems, particularly Git.

Qualifications & Experience:

To succeed in this position, you will need to demonstrate the following skills and experience:

• A relevant degree such as Computer Science or a professional development course
• Minimum 4 years of experience in a full-time position working with React Native and TypeScript/JavaScript
• Minimum 3 years of experience in working with APIs, either REST or GraphQL
• Experience working with Agile practices
• Demonstrable knowledge of React Native
• Demonstrable knowledge of TypeScript/JavaScript
• Demonstrable knowledge of Firebase
• Demonstrable knowledge of REST/GraphQl APIs
• Demonstrable knowledge of Working from Figma UI/UX designs
• Experience in AWS serverless technologies is a bonus, including Cognito and NoSQL databases
• Experienced in CI/CD processes and unit-testing
• Continuous learning mindset.

Company Benefits:

Working with an NHS-focused organisation means doing work that truly matters, every day, you’ll help make a real, positive impact on the lives of patients across the UK and Ireland. And that’s just the start. We also offer:

• Discounted gym membership
• Funded training
• Enhanced Maternity & Paternity
• 30 days’ annual leave, including Christmas Day, Boxing Day, and New Year’s Day, with all other bank holidays flexible to take at your convenience
• Health & Wellbeing benefits
• Staff discount
• Sick Pay Scheme
• Blue light card membership is available
• Free seasonal flu vaccination
• Regular social events.