As a Senior Mobile Developer, you’ll be part of a team of engineers that builds out the technology that powers our retail brokerage business and supports our other business initiatives. We care about the speed and stability of our back-end systems as much as we care about the customer-facing applications we build. Our architecture is consistently evolving as our business grows and we face different technical challenges, but always with a focus on practicality and performance.

You'll help by modifying existing systems, taking on ownership of current systems as well as green field projects, and troubleshooting issues as they arise. Our engineers work with a plethora of tools including C++, Java, JavaScript, and Ruby.

What You'll Do:

• Work with and own the code base for our Android and iOS platforms.
• Write application code using Java, Kotlin, and Swift.
• Maintain shared behavior logic written in Java.
• Improve the code quality of a large code base.
• Participate in full application lifecycle (concept, design, build, deploy, test, and release to the app store).
• Solve the type of challenging engineering problems that come with building a highly interactive trading experience.
• Collaborate with the backend development team to enhance our UI experience.
• Partner with our product, design, and QA teams to customize the trading experience for the iOS and Android platforms.

Who You Are:

• You’ve built complex applications for either Android using Java or Kotlin, or iOS using Swift or Objective-C
• You’ve shipped iOS or Android applications to production.
• You have experience working with large code bases, managing a shared REST API library, and writing unit tests.
• You are able to work both independently and as part of a team in a fast-paced environment to deliver well-designed, reusable, and high-quality code on time.
• Experience with Fastlane
• Experience building both iOS and Android applications
• Experience with dependency management tools (CocoaPods, Carthage, and/or SwiftPM; Gradle/Maven)
• Experience with J2ObjC
• A passion for UI/UX design
• Experience trading equities, equity options, futures, or futures options

Team Perks:

• Sustainable workday
• Daily catered lunch
• Full kitchen with snacks and beverages
• Dog-friendly office
• In-building gym
• Park-like roof with games and herb-garden
• CTA stop a block away, Shuttle to/from Metra
• Monthly dev outings (e.g. escape rooms, movie nights, ax-throwing, laser tag, bowling, etc.)
• Located in the West Loop--Chicago's growing center of tech, great cuisine, and high-end bars

 
About Us:
The tastytrade family of companies (tastytrade, tastyworks, dough, quiet foundation, and The Small Exchange) empowers individual investors by providing educational media, intuitive and powerful trading software, high-speed order execution, innovative derivatives products, and portfolio guidance. The diversity of our offerings and the technology that powers them provide our engineers with exposure to a broad set of tools and the opportunity to dig deep into specific problems. We are an ideal environment for those who are self-motivated, engineering-focused, pragmatic, and who truly enjoy creating and operating large, highly available, and performant systems. Our team is lean at roughly 40 members and we follow a management philosophy that values the autonomy of our engineers.