Senior Mobile Engineer, Flutter

About You:

As a Sr. Mobile Engineer NinjaTrader, you will shape the future of the world’s leading retail futures trading platform. You will create great customer experiences through delightful mobile applications. As a senior mobile engineer, reporting to the Mobile Engineering Manager. Your work will impact NinjaTrader’s growing user base of 1.7MM customers.

You have hands-on experience in developing delightful high performance mobile apps using Flutter.

In this role, you will:

• Design, build, improve, and maintain features and mobile applications.
• Build and maintain efficient, reusable, and reliable code.
• Work with the wider development team to produce new enhancements, enhance APIs and ensure alignment between the web and mobile Flutter versions of the applications.
• Collaborate with Product and Design teams to iteratively improve the user experience on mobile platforms.
• Take part in daily standups and regular team-wide meetings to discuss current and upcoming tasks.
• Own the life cycle of your features through testing, debugging, documenting, releasing, and monitoring.
• Write unit and UI tests to identify malfunction.
• Ensure the performance, quality, and responsiveness of applications.
• Identify and correct bottlenecks and fix bugs.
• Investigate issues, mitigating them, and recommending preventative measures.
• Support other developers, QA, and Product team in resolving problems and identifying client requirements.
• Report to the stakeholders on progress, timelines, and roadblocks.
• Coach other engineers through pair programming, coder reviews, and other collaborative efforts.

Key Position Requirements:

• Bachelor's degree in Computer Science, Software Engineering, or equivalent working experience.
• 5+ years of professional experience developing and shipping production-ready mobile experiences.
• 2+ Experience with Dart and the Flutter ecosystem.
• Solid understanding of mobile development principles, design patterns, and best practices.
• Experience with Git, version control, CI/CD pipelines and automated testing.
• Experience with REST, WebSocket APIs and third-party libraries.
• Familiarity with OOP design principles.
• Ability to perform in a team environment adopting agile principles.
• Strong written and verbal communication skills.