Teachable’s mission is to enable the transformative power of knowledge in our world. Our online platform enables individuals and small businesses (our “Creators”) to build, host and sell online courses and coaching. We generate revenue in two ways: (1) from monthly or annual subscription fees (SaaS) paid to us by our Creators for access to the platform; and (2) from transaction fees calculated as a percent of the value of courses and services sold by Creators through our platform. In 2023, we have exciting plans to deepen engagement between our creators and their students. To accomplish this, we are building a mobile development team to capitalize on existing mobile adoption by enhancing and stabilizing our current iOS app, as well as grow our global reach by building an Android app.About Your TeamAs a Senior iOS Engineer, you will be responsible for designing, developing, and maintaining our iOS application. You will work closely with cross-functional teams from Hotmart and Teachable to evolve our iOS footprint by leveraging Hotmart’s existing iOS architecture (built with Swift 5, Xcode, CocoaPods) as well as collaborate with product managers, designers and other developers.As part of Teachable’s first mobile engineering team, you’ll have an incredible opportunity to help shape and define the future of our mobile products. As a member of this team, you will be at the forefront of developing innovative solutions that meet the needs of our Creators and drive business growth. This is a unique chance to be part of an international team that will have a significant impact on our companies’ success and to be part of a community of professionals who share your passion for mobile development.In this position, you will work remotely with Teachable’s US based teams as well as Hotmart employees based in Belo Horizonte and São Paulo. This is a CLT contract with full benefits, paid in $BRL. We’re looking for someone:With 4-5+ years of hands-on experience of experience in iOS application development with a focus on Swift, ideally in an agile, startup environmentWho has proficiency in Swift and other relevant technologies such as Cocoa, CocaPods, Xcode, and UIKitWho has a knowledge of RESTful APIs and integration with backend servicesWho has a strong understanding of iOS architecture patterns such as MVC, MVVM, and VIPERWho has a solid understanding of memory management, concurrency, and multithreading in iOSWho has demonstrated capacity to clearly and concisely communicate about complex technical, architectural, and/or organizational problems and propose thorough iterative solutionsWho embodies the “leave the code base better than how you found it” mentalityWho has played a key role in designing and implementing technical projects with multiple team members with varying experiences Who has contributed to architecture discussions to drive technical decisions on your teamWho is humble, collaborative, service-oriented and a fast learnerWho upholds Teachable and Hotmart’s Engineering values, including working as part of a diverse teamIn this role, you will:Collaborate with Engineers, Product Managers, Designers, and QA engineers to build high-quality products with third party integrationsContribute to the technical design and architecture of services, databases and applications across the organizationExecute on our product development roadmap to drive the progression of our stack and our team at largeWrite simple, clean, high-quality, well-tested software that delivers user valueSeek out ways to bring in new perspective to our design, coding and testing best practices as well as supporting review processes (i.e. design, code, postmortem)Participate in the team’s on-call support rotationContribute and shape the overall culture and collaboration practices of the team