Software Engineer II

Interactive Brokers; Greenwich (CT); On-site; USD 90,000 - 120,000; Full time

Job summary

Interactive Brokers is looking for an experienced Full Stack Java Developer to join its team in Greenwich, Connecticut. This hybrid role involves designing, developing, and maintaining critical risk management applications. The ideal candidate will have strong Java skills, experience with the Vert.x framework, and a solid understanding of Oracle SQL.

With a focus on innovative solutions, this role offers the opportunity to work autonomously while collaborating with a small team. If you are passionate about developing robust systems and improving processes in a dynamic financial environment, we'd love to hear from you!

Qualifications

• Proven experience as a Full Stack Developer with strong emphasis on Java back-end development.
• Hands-on experience with Vert.x or similar reactive/event-driven Java frameworks.
• Strong working knowledge of Oracle SQL, including query optimization.

Responsibilities

• Design, develop, and maintain server-side application components using Java and Vert.x.
• Build and enhance front-end interfaces using Vue.js, HTML, and CSS.
• Participate in the full software development lifecycle.

Skills

Full Stack Development

Java

Vert.x

Oracle SQL

RESTful API design

Financial services experience

Analytical and problem-solving skills

Job description

Greenwich, CT, One Pickwick Plaza, Greenwich, Connecticut, United States of America

Job Description

Posted Wednesday, June 24, 2026 at 10:00 AM

Company Overview

Interactive Brokers Group, Inc. (Nasdaq: IBKR) is a global financial services company headquartered in Greenwich, CT, USA, with offices in over 15 countries. It provides global electronic brokerage services around the clock on stocks, options, futures, currencies, bonds, and funds to clients in over 200 countries and territories. The company serves individual investors and institutions, including financial advisors, hedge funds and introducing brokers, leveraging advanced technology and competitive pricing to help clients maximize their investments.

This is a hybrid role (3 days in the office / 2 days remote).

About Your Team

Interactive Brokers 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. These tools are mission‑critical and actively utilized by the Client Risk Management (CR) team to monitor and mitigate client-facing risk exposure across IBKR's global operations.

The ideal candidate is a technically strong, self‑motivated developer who thrives in a fast‑paced financial environment and takes ownership of the systems they build, consistent with IBKR's culture of curiosity, innovation, collaboration, and personal accountability.

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
• Monitor 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

Skills Required

• 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
• 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
• Ability 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

To Be Successful

• Detail‑oriented self‑starter who is comfortable working both independently and collaborating with your team.
• Passionate about writing clean, well‑tested, and maintainable code.
• High level of comfort in an environment of continuous integration and deployment.
• Optimizing, improving, and supporting existing algorithms and systems to reach the goal of highly automated robust systems with full test coverage requiring minimal operational oversight.
• Creating independent automated risk controls and checks to ensure that systems are performing as expected and catching potential errors as soon as possible.
• Developing message‑oriented systems, batch processing applications, and web application‑based management consoles.
• Continuous learner and will use and/or learn the right language and technology to solve a problem.