Senior Frontend Engineer (React Native)
Confirmed on the employer's own hiring board on Sep 29, 2026. First seen by Alion on Feb 25, 2026. Mindera scores A on the Alion truth index.
Here at Mindera, we are continuously developing a fantastic team, and would love for you to join us. As a Frontend Software Engineer, you will be responsible for building fluid, responsive, and high-quality user interfaces across multiple platforms and devices.
We are looking for experienced Engineers with an appetite for solving complex problems, building seamless user interactions, and delivering world-class software.
National and international expected traveling time varies according to project/client and organisational needs: 0%-15% estimated.
Responsibilities
- Develop and maintain high-quality user interfaces for mobile and web platforms using React Native and Expo
- Implement features across iOS, Android, and Web using a shared codebase
- Collaborate with designers and product teams to translate designs into pixel-perfect, responsive implementations
- Write clean, scalable, and maintainable JavaScript/TypeScript code following best practices and team standards
- Build reusable UI components following Atomic Design principles and contribute to scalable component architectures
- Implement state management and data-fetching solutions using technologies such as Redux Toolkit, React Query/TanStack Query, Apollo Client, React Context, and Zustand
- Integrate with GraphQL and REST APIs
- Implement mobile navigation patterns using React Navigation
- Develop and maintain comprehensive unit and integration test suites with strong coverage
- Participate in code reviews and provide constructive feedback to maintain high engineering standards
- Debug and troubleshoot React Native applications using appropriate React Native debugging and developer tools across physical devices and simulators
- Identify performance bottlenecks and optimize application performance across iOS, Android, and Web
- Monitor and improve areas such as rendering performance, application responsiveness, memory usage, network requests, and bundle size
- Contribute to architectural decisions and help improve development practices and processes
- Work effectively in an Agile environment, collaborating with cross-functional teams to deliver high-quality software
- Contribute to CI/CD pipelines and automated deployment workflows
- Take ownership of technical challenges and work independently while contributing towards a common team and company purpose
Requirements
7-10 years of professional experience relevant to the role
Vast experience with JavaScript and TypeScript
Strong professional experience with React and React Native (0.76+)
Hands-on experience with Expo and cross-platform application development
Experience with GraphQL and Apollo Client, as well as REST APIs and React Query/TanStack Query
Experience with state management solutions such as Zustand, Redux Toolkit, and React Context
Experience with React Navigation and mobile navigation patterns
Strong understanding of responsive design across different device types and platforms
Experience applying Atomic Design principles and building reusable UI components
Strong experience with React Native debugging tools and techniques, including debugging on physical devices and simulators
Demonstrated experience with application performance optimization, including identifying and resolving rendering, memory, networking, and responsiveness bottlenecks
Experience with unit and integration testing, particularly with Jest
A Test-Driven Development (TDD) mindset
Experience with CI/CD pipelines and automated deployments
Proficiency with Git and version control workflows
Experience working with Agile methodologies such as Scrum and Kanban
A passion for building high-quality software, being self-driven, and working with little supervision towards a common team or company purpose
Benefits
The maximum monthly NET salary for this position is 90 million VND. Final offers will be based on experience and alignment with the role's requirements. We take pride in nurturing an inclusive, streamlined, and self-managed work environment that promotes freedom, accountability, and ongoing feedback.
About Mindera: At Mindera, we leverage technology to build products we take pride in, alongside a team we genuinely enjoy working with. Our expertise includes developing high-performance, resilient, and scalable software systems for renowned global brands. Our work culture is rooted in collaboration, innovation, and a commitment to continuous learning. With offices located across Portugal, the UK, the USA, Australia, India, Romania, and Brazil, join us as we expand and influence the future of software engineering worldwide.