Senior Frontend Engineer (React Native)

Here at Mindera, we are continuously developing a fantastic team, and would love for you to join us. As aFrontend 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 formobile and web platforms using React Native and Expo
• Implement features acrossiOS, Android, and Web using a shared codebase
• Collaborate with designers and product teams to translate designs intopixel-perfect, responsive implementations
• Write clean, scalable, and maintainableJavaScript/TypeScript code following best practices and team standards
• Build reusable UI components followingAtomic Design principles and contribute to scalable component architectures
• Implement state management and data-fetching solutions using technologies such asRedux Toolkit, React Query/TanStack Query, Apollo Client, React Context, and Zustand
• Integrate withGraphQL and REST APIs
• Implement mobile navigation patterns usingReact Navigation
• Develop and maintain comprehensiveunit 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 appropriateReact Native debugging and developer tools across physical devices and simulators
• Identify performance bottlenecks and optimize application performance acrossiOS, Android, and Web
• Monitor and improve areas such asrendering 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 toCI/CD pipelines and automated deployment workflows
• Take ownership of technical challenges and work independently while contributing towards a common team and company purpose

7-10 years of professional experience relevant to the role

Vast experience withJavaScript and TypeScript

Strong professional experience withReact and React Native (0.76+)

Hands-on experience withExpo and cross-platform application development

Experience withGraphQL and Apollo Client, as well asREST APIs and React Query/TanStack Query

Experience with state management solutions such asZustand, Redux Toolkit, and React Context

Experience withReact Navigation and mobile navigation patterns

Strong understanding ofresponsive design across different device types and platforms

Experience applyingAtomic Design principles and building reusable UI components

Strong experience withReact Native debugging tools and techniques, including debugging on physical devices and simulators

Demonstrated experience withapplication performance optimization, including identifying and resolving rendering, memory, networking, and responsiveness bottlenecks

Experience withunit and integration testing, particularly withJest

ATest-Driven Development (TDD) mindset

Experience withCI/CD pipelines and automated deployments

Proficiency withGit and version control workflows

Experience working with Agile methodologies such asScrum and Kanban

A passion for building high-quality software, beingself-driven, and working with little supervision towards a common team or company purpose

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.