Responsibilities
- Own feature development end to end, from technical design through delivery.
- Write clean, performant, well-tested TypeScript and React Native code.
- Contribute to architectural decisions involving component patterns, state management, navigation, and performance optimization.
- Improve application performance, code quality, accessibility, and developer experience.
- Provide technical guidance to Software Engineers I and II through code reviews, pairing, and design feedback.
- Collaborate with Product, Design, and QA to align technical implementation with product goals.
- Participate in the on-call rotation, incident response, root cause analysis, and systemic improvements.
- Document technical decisions, component patterns, and architecture.

Requirements
- 3–5 years of professional software engineering experience, including meaningful experience building React or React Native applications.
- History of delivering complex software features that drive business outcomes.
- Ability to turn ambiguous requirements into concrete technical plans.




- Experience with large-scale, high-traffic applications and mobile experiences serving millions of concurrent users.
- Advanced proficiency in TypeScript and strong React Native experience, including component lifecycle, hooks, performance optimization, and native module integration.
- Familiarity with Expo, state management solutions, complex navigation patterns, Jest, and Maestro or similar end-to-end testing frameworks.
- Familiarity with CI/CD pipelines, Expo/EAS workflows, app store releases, and over-the-air updates.
- Understanding of mobile performance profiling, memory management, and platform differences.
- Experience with AI-assisted or agentic coding tools, remote engineering organizations, reactive high-frequency data interfaces, animations and haptics, second-screen experiences, or financial visualizations is a plus.
- Must be authorized to work for any employer in the United States; visa sponso

📌 Software Engineer III Front End (España)
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📍 España