Staff Software Engineer (Mobile) at NinjaTrader

Chicago, Illinois, United States -

Full Time

Start Date

Immediate

Expiry Date

03 Mar, 26

Salary

200000.0

Posted On

03 Dec, 25

Experience

10 year(s) or above

Remote Job

Yes

Telecommute

Yes

Sponsor Visa

Skills

Flutter, Dart, Mobile Architecture, State Management, Design Patterns, Testing Strategies, CI/CD Automation, RESTful APIs, WebSockets, Performance Optimization, User Experience, Technical Leadership, Mentoring, Collaboration, Emerging Technologies

Industry

Financial Services

Description

Disclaimer: Please be advised that the most accurate and up-to-date information about our open roles—including job descriptions, compensation, and benefits—can only be guaranteed on our official job board. For the latest listings and details, please visit: https://job-boards.greenhouse.io/ninjatrader. JOIN US ON OUR MISSION TO BECOME THE #1 RETAIL TRADING PLATFORM IN THE WORLD Welcome to the dynamic world of NinjaTrader! As an industry-leading trading platform and futures broker, we're empowering traders to take control of their financial destiny. How do we do it? We provide cutting-edge products and services that enhance the trading journey. Whether a seasoned pro or just starting out, NinjaTrader equips traders with award-winning software and brokerage services to navigate the world's leading financial markets with confidence. Our growth story is nothing short of exhilarating. Since 2003, NinjaTrader has been dedicated to understanding and supporting traders on their journey toward trading triumph. Through those efforts, our user base has grown to over 2 million users and we have become the number one rated futures brokerage worldwide. But we're not stopping there. We're constantly evolving, pushing boundaries, and modernizing the futures industry. Our commitment to innovation means users will always have access to dynamic tools, real-time support, and a community of like-minded traders. So, why work at NinjaTrader? Here, you're not just part of a team; you're part of a movement. We empower employees to reach new heights in their careers by providing a dynamic culture focused on social connection, professional development, and employee recognition initiatives. Sounds too good to be true? Take it from our employees. Join us as we redefine what's possible in trading, advocate for our customers, and continue our journey toward becoming the world's top retail-focused trading platform in the world. What you’ll do: We are seeking a highly skilled and experienced Staff Engineer (Mobile) specializing in Flutter to join our Mobile Engineering Team. As a Staff Engineer, you will lead mobile architecture, mentor engineers, and deliver scalable, high-performance applications that power a seamless cross-platform experience. You will influence technical direction across teams, set a high standard for engineering excellence, and drive end-to-end quality and reliability in our mobile products. In this role you will: Define and drive the technical roadmap for mobile architecture, frameworks, and tooling Architect robust, maintainable Flutter solutions and guide best practices for state management, dependency injection, and reactive programming Lead design reviews, architecture discussions, and performance optimization efforts across iOS and Android Collaborate with product, design, and backend teams to deliver cohesive, high-quality user experiences Partner with backend and API teams to ensure efficient data integration and scalable mobile communication patterns Establish and evolve testing, CI/CD, and release processes to improve developer productivity and delivery reliability Drive observability, monitoring, and crash analytics to ensure product stability and quality Mentor engineers across teams and foster a culture of technical excellence, innovation, and collaboration Continuously evaluate and introduce emerging technologies that enhance performance, security, and developer efficiency What you'll need: 10+ years of professional software engineering experience 3+ years in a technical leadership or staff-level role leading mobile development at scale 4+ years of hands-on Flutter and Dart experience in production environments Deep understanding of mobile architecture, state management, and design patterns (BLoC, MVVM, Clean Architecture) Experience architecting and maintaining robust testing strategies for Flutter applications, spanning unit, widget, integration, and end-to-end levels Experience building CI/CD automation for mobile delivery Strong understanding of RESTful APIs, WebSockets, and offline data handling Proven success optimizing performance, reliability, and user experience across diverse devices Excellent communication skills and ability to influence technical direction across cross-functional teams Bonus points for: Experience creating custom Render Objects in Flutter to support advanced layouts or charting Strong knowledge of native iOS (Swift) and Android (Kotlin/Java) integration Experience with fintech or trading platforms Contributions to open-source Flutter frameworks or SDKs Experience leading migration from native mobile stacks to Flutter Compensation: The salary range for this role will be $160,000.00 - $200,000.00 USD. In addition, this position will also receive an annual target bonus of 15%. Bonus pay at NinjaTrader is based on individual performance (50%) as well as company/team performance (50%). Salary and bonus earnings are only two components of the total compensation package offered by NinjaTrader. Our Core Benefits Include: 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 We are committed to equal employment opportunity regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender, gender identity or expression, or veteran status. We are proud to be an equal opportunity workplace.

Responsibilities

As a Staff Engineer, you will lead mobile architecture, mentor engineers, and deliver scalable, high-performance applications. You will influence technical direction across teams and drive end-to-end quality and reliability in our mobile products.