Software Engineer II

About the role

Interactive Brokers Group, Inc. is seeking an experienced Full Stack Java Developer to join a small, high-impact team responsible for the development and maintenance of CoChMA (Client-risk Operations and Control Hub for Monitoring Applications), our integrated client services risk management platform, along with various other internal risk and margin systems.

Responsibilities

• Design, develop, and maintain server-side application components using Java and the Vert.x framework.
• Build and enhance front-end interfaces using Vue.js, HTML, and CSS.
• Write and optimize complex Oracle SQL queries, stored procedures, and data models to support margin rate governance system, risk and margin reporting.
• Participate in the full software development lifecycle, including requirements analysis, design, implementation, testing, deployment, and maintenance.
• Maintain system health and performance, proactively identifying and resolving issues in production environments.
• Contribute to code reviews, technical documentation, and team knowledge sharing.
• Work independently and take full ownership of assigned modules and features, ensuring timely and high-quality delivery.
• Continuously improve existing systems through refactoring, performance tuning, and adoption of best practices.
• Have a desire to learn about and understand financial instruments and concepts.

Requirements

• Proven experience as a Full Stack Developer with a strong emphasis on Java back-end development.
• Hands-on experience with Vert.x or similar reactive/event-driven Java frameworks.
• Proficiency in front-end technologies: Vue.js, JavaScript, HTML5, and CSS3.
• Strong working knowledge of Oracle SQL, including query optimization and schema design.
• Solid understanding of RESTful API design and integration.
• Experience developing and maintaining applications in a financial services or similarly high-stakes environment.
• Strong analytical and problem-solving skills with a data-driven mindset.
• Able to work effectively within a small, collaborative team while managing individual responsibilities with a high degree of autonomy.

Preferred Qualifications

• Experience with Perl and/or Python for scripting, automation, or data processing tasks.
• Familiarity with risk management concepts, margin systems, or financial regulatory frameworks.
• Exposure to low-latency or high-availability system design.
• Experience working in an Agile or iterative development environment.

Skills

• Experience with Java and Vert.x frameworks.
• Vue.js, JavaScript, HTML5, and CSS3 proficiency.
• Oracle SQL expertise, including query optimization and schema design.
• RESTful API design and integration experience.
• Financial services or high-stakes environment experience.
• Data-driven problem-solving skills.
• Collaborative team work and autonomy.
• Perl and/or Python scripting experience.
• Risk management and margin systems familiarity.
• Low-latency or high-availability system design experience.
• Agile or iterative development background.