Mid-Level Fullstack Engineer, Mobile Observability (Remote)

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Job Summary:

LaunchDarkly is seeking an experienced Full Stack Engineer to join their Observability team, focused on empowering developers with advanced telemetry tools for mobile applications. The role involves building user-friendly interfaces and robust SDKs that enhance mobile observability, enabling engineering teams to deploy features safely and diagnose incidents quickly.

Responsibilities:

• Design and implement mobile telemetry SDKs, instrumentation libraries, and developer tools in React Native or similar frameworks.

• Develop performant, scalable mobile applications for visualizing and interacting with real-time telemetry data.

• Collaborate cross-functionally with UX designers, product managers, backend engineers, and native mobile developers to create cohesive, end-to-end observability experiences.

• Prototype, build, and optimize APIs and mobile-specific data pipelines to handle high-volume data ingestion efficiently and reliably.

• Participate actively in architecture planning, code reviews, and mentoring peers in mobile full-stack best practices.

• Drive improvements in engineering standards, tooling, and mobile performance metrics across LaunchDarkly.

Qualifications:

Required:

• 5-8+ years of experience developing full stack web applications.

• Familiarity with React Native (or similar cross-platform frameworks such as Flutter or Xamarin) is a plus.

• Familiarity with telemetry frameworks (OpenTelemetry, Firebase Performance Monitoring, Sentry, Datadog Mobile) and integrating observability features in mobile apps.

• Familiarity with the LaunchDarkly product and SDKs is a plus.

• Strong experience developing performant mobile APIs, network optimizations, and efficient client-server data exchange techniques.

• Experience utilizing AI tooling to enhance daily engineering efficiency.

• Ability to design robust, scalable systems and deep familiarity with algorithms, data structures, and concurrency principles specific to mobile environments.

• Strong collaboration, communication, and problem-solving skills; committed to continuous learning about emerging technologies and mobile best practices.

Company:

LaunchDarkly is a feature management platform that allows software development teams to deliver to their customers. Founded in 2014, the company is headquartered in Oakland, California, USA, with a team of 501-1000 employees. The company is currently Late Stage.