QML/Java Frontend Software Engineer

Posted Friday, September 11, 2026 at 10:00 AM QML/Java Frontend Software Engineer (Greenwich, CT) (Telecommuting) (multiple positions) Design and deliver complete features for financial trading applications used by online brokerage firm. Work with QT/QML to build sophisticated, responsive desktop applications that deliver seamless trading experiences. Translating complex trading requirements into intuitive, high-performance user interfaces. Architect and implement interactive UI using JavaScript and QML to handle complex user interactions and real-time data visualization. Develop efficient data models in Java to support front-end features using object-oriented design skills. Resolve complex issues related to object life-cycles, memory management, and JNI optimization using Jambi and QT framework. Implement highly reusable, maintainable UI components and libraries in QML and JavaScript. Create test plans for UI and data model functionality. Collaborate with architects and other developers on projects to deliver scalable, maintainable software solutions for company’s trading platform. Telecommuting Permissible. Requires: Bachelor’s degree or foreign equivalent in Computer Science or related field, and five (5) years of experience in a Software Development/Engineer position using QML and Javascript for front-end development. Also requires: 3 years of professional working experience with each of the following: 1) Developing responsive desktop QT applications using QML. 2) Using Java/Jambi for the backend of a QML application. 3) Developing reusable UI component libraries in QML. 4) Java development including object-oriented programming and design patterns. 5) Developing financial trading applications. Send resume with cover letter to Interactive Brokers Corp, Attn: A.Torres Ref: NR2026, atorres@ibkr.com. No calls. EOE