This is a fully remote position, open to applicants in Europe.

📋 Description

• Take charge of frontend performance across the entire application, focusing on startup time, interaction latency, scrolling, rendering, memory, and perceived performance.

• Create and implement sophisticated rendering, caching, preloading, and data synchronization systems.

• Develop tailored performance infrastructure where current libraries and frameworks do not suffice.

• Analyze and resolve bottlenecks and UI jank utilizing browser and application profiling tools.

• Collaborate with feature teams to guarantee that new functionalities adhere to performance standards.

• Regularly benchmark the product against the leading SaaS applications in the marketplace.

⛳️ Requirements

• A minimum of 4 years in frontend engineering, with over 4 years dedicated to developing large-scale React applications utilized by thousands of users.

• A demonstrated history of significantly enhancing application performance in production environments.

• Profound knowledge of React, TypeScript, browser internals, rendering, memory management, and JavaScript performance optimization.

• Extensive experience in caching, virtualization, lazy loading, data synchronization, and state management.

• Background in constructing custom infrastructure or frameworks rather than merely integrating existing libraries.

• Strong foundation in computer science principles and algorithms, along with exceptional engineering standards and attention to detail.

• Experience with products where performance was a key business objective.

• Familiarity with WebAssembly, workers, or other advanced browser performance strategies.

• Previous experience in a startup or a rapidly evolving product company.

• Contributions to performance tooling or open-source frameworks.