
Senior Frontend Engineer
Posted Aug 26

Posted Aug 26
This is a fully remote position, open to applicants in Spain.
• Take full ownership of intricate frontend features across both web and mobile platforms.
• Design and enhance systems in React and React Native, along with shared libraries and robust abstractions.
• Identify and address issues related to rendering, state management, bundling, and runtime performance.
• Utilize TypeScript to clarify behavior and mitigate potential defects.
• Collaborate with product teams, backend engineers, and QA to transform complex requirements into seamless user experiences.
• Uphold quality standards through code reviews, as well as unit, end-to-end, and visual regression testing.
• Share expertise, mentor team members, and elevate frontend engineering practices.
• Operate within small, self-directed teams, taking ownership from problem identification to production deployment.
• Demonstrated ownership of production-level frontend systems developed with React or React Native and TypeScript.
• Extensive knowledge of React rendering, component boundaries, data flow, and state management.
• Proven ability to design maintainable frontend architectures and reusable abstractions.
• Hands-on experience in diagnosing performance issues in complex web or mobile applications.
• Strong judgment in testing practices across unit, end-to-end, and visual regression coverage.
• Ability to solve problems in a clear and structured manner, along with the capability to articulate technical decisions and trade-offs.
• Solid engineering fundamentals and sound product judgment.
• Willingness to learn and adapt to new technologies.
• Depth in one frontend ecosystem is more important than familiarity with every technology listed, along with appropriate tool selection.
• Weekly release cycle.
• Opportunities to share knowledge and mentor colleagues.
• Recruitment data may be retained for up to 2 years for future opportunities (with consent).
• Option to decline or withdraw future contact consent at any time.
• Right to request the deletion of recruitment data.
Mozilla
Mozilla
Mozilla
Varsity Brands
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