Senior React Native Engineer at Lab49 developing a mobile app for buy-side investment workflows. Work involves client collaboration and integration with web-based platforms.
Responsibilities
Start a new greenfield React Native application and drive it from early foundations through production release.
Own the design and implementation of major features and core application architecture.
Build high‑quality, scalable mobile experiences using React Native and modern JavaScript/TypeScript.
Define and evolve patterns for navigation, state management, data access, error handling, performance, and testing.
Integrate the mobile app into an existing platform by aligning with shared design systems, domain models, and authentication approaches.
Consume a production GraphQL API implemented in .NET, collaborating with backend partners to evolve the schema as mobile requirements become clearer.
Build data‑intensive views backed by paginated APIs, ensuring strong perceived performance and usability.
Ensure testing, quality, and maintainability are built into the system from the start.
Work autonomously while guiding less‑experienced engineers through mentoring, pairing, and code reviews as the team grows.
Partner directly with client counterparts to understand user and business objectives.
Requirements
6–8+ years of experience designing and building production software.
Strong commercial experience building production mobile applications with React Native.
Experience shipping and operating apps on both iOS and Android.
Strong proficiency in modern JavaScript and TypeScript.
Solid understanding of mobile application architecture, performance, and reliability.
Experience consuming GraphQL APIs in production and collaborating on schema evolution.
Solid understanding of SDLC practices, CI/CD, automated testing with tools such as Detox or Maestro, and code quality.
Excellent written and spoken English communication skills (C1+ is highly preferred).
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