NinjaTrader in Chicago seeks a Sr. Software Engineer II specializing in Flutter to lead mobile architecture, mentor engineers, and deliver scalable cross‑platform apps. You will shape technical direction, drive quality, and ensure reliability across iOS and Android. You will own feature lifecycles, participate in design reviews, and collaborate with Product and Design to elevate user experience. Strong Flutter, Dart, and mobile‑dev experience are required.
#J-18808-Ljbffr
