Required:Experience with TCA Architecture Knowledge / Training5+ years proven experience in designing, building, refactoring and releasing rich client software using industry standard patterns.5+ Experience with iOS XCode, Swift, GraphQL, debuggers (e.g. Charles), revision control systems (e.g. Git) and bug tracking (e.g. Jira)Experience with TDD, pairing, code reviews, and other techniques to maintain high-quality code and resiliency. Advocacy of automated testing, continuous delivery, and software quality across the software development life-cycle. Preferred experience with Swift's Combine framework: Functional programming, reactive software architecture, decoupled APIs.