Senior Software Engineer II, Mobile

🕒 April 9

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NinjaTrader

WebsiteLinkedInAll Job Openings

201 - 500 employees

Founded 2003

💸 Finance

💳 Fintech

☁️ SaaS

Finance • Fintech • SaaS

NinjaTrader is a leading provider of futures trading platforms and brokerage services designed for both new and experienced traders to access the global futures markets. It offers a comprehensive suite of tools including charting, simulation, market visualization, and order flow tools, all accessible across multiple devices such as PCs, Macs, and mobile devices. NinjaTrader focuses on providing cost-effective and customizable trading solutions, with low margins and commissions, and supports trading in popular markets like E-mini and Micro E-minis, Crude Oil, and Bitcoin futures. The company also offers daily livestreams and comprehensive educational resources to help traders enhance their skills and strategies.

📋 Description

• Own the life cycle of features through testing, debugging, documenting, releasing, and monitoring • Take part in daily standups and regular team-wide meetings to discuss current and upcoming tasks • Participate in the technical roadmap for mobile architecture, frameworks, and tooling • Participate in design reviews, architecture discussions, and performance optimization efforts across iOS and Android • Implement robust, maintainable Flutter solutions that follow best practices for state management, dependency injection, and reactive programming • Collaborate with Product and Design teams to iteratively improve the user experience on mobile platforms • Investigate issues, mitigate them, and recommend preventative measures • Improve observability, monitoring, and crash analytics to ensure product stability and quality • Help foster a culture of technical excellence, innovation, and collaboration

🎯 Requirements

• 6+ years of professional software engineering experience • 2+ years of hands-on Flutter and Dart experience in production environments • Understanding of mobile architecture, state management, and design patterns (BLoC, MVVM, Clean Architecture) • Experience maintaining testing strategies for Flutter applications, spanning unit, widget, integration, and end-to-end levels • Familiarity with building CI/CD automation for mobile delivery • Understanding of RESTful APIs, WebSockets, and offline data handling • Familiarity optimizing performance, reliability, and user experience across diverse devices • Ability to perform in a team environment adopting agile principles • Strong written and verbal communication skills • Strong grasp of OOP design principles

🏖️ Benefits

• Generous PTO • 7 Paid Holidays Annually + 5 Conditional Holidays Annually • 1 Service Day Annually • 401k with 3.5% Company Match • Paid Parental Bonding Leave • Health, Vision, Dental Coverage • Life and Disability Insurance Covered 100% by NinjaTrader