• Build our flagship iOS app and lead by creating fluid interfaces that remain smooth and responsive with large datasets • Define and refine architecture, technologies and development practices that will be used across the product • Contribute to a growing team of engineers on sustainable engineering practices balancing beauty, scale, and performance • Receive and offer technical feedback through pair programming and code reviews • Promote engineering excellence with a focus on performance, scalability, and maintainability • Collaborate closely with design, product and leadership to understand what our needs will be in the years to come, and align our technology roadmap to support that vision • Partner with web and backend teams to design effective cross-platform API contracts and dataflows