This is a hybrid role (3 days in the office/2 days remote).About your team: The Interactive Brokers Trading team is seeking an experienced Senior Software Developer to join the group building the high-performance, scalable trading application that our clients use to trade stocks, futures, options, and other financial instruments. The platform is mature and feature-rich, and we are continuously extending it with new capabilities, improving performance, and refining the experience for a demanding global user base. You will contribute to a Java-based product that our customers rely on in real time.
What will be your responsibilities within IBKR: - Design, develop, and maintain features across the trading application, with a primary focus on the Java business layer.
- Integrate with backend services over REST, WebSockets, and FIX to deliver responsive, reliable functionality to end users.
- Participate in the full software development lifecycle, including design, implementation, unit testing, code review, and ongoing maintenance of the features you deliver.
- Collaborate with business analysts, product managers, and other developers to translate requirements into high-quality software.
- Write and maintain clear technical documentation for the code and designs you produce.
- Investigate and resolve complex technical issues across the stack.
- Stay current with relevant tools, libraries, and techniques that can improve the platform.
Skills Required:- Master's degree in Computer Science or a related field with a minimum of 3 years of professional software development experience, or a Bachelor's degree in Computer Science or a related field with a minimum of 5 years of professional software development experience.
- Strong proficiency in Java, with a deep understanding of object-oriented programming and software design patterns.
- Solid software development fundamentals, including writing clean, maintainable, well-tested code and producing clear documentation.
- Working knowledge of multithreading and concurrency, with an appreciation for lean, low-latency programming.
- Proficiency with Git for source control and collaborative development.
- Strong analytical and problem-solving skills, with the ability to troubleshoot complex technical issues across a large codebase.
- Excellent verbal and written communication skills.
To be successful in this position, you should be:- Experience with declarative, state-driven UI frameworks (React Native, Flutter, QML, etc.); prior Qt/QML experience is a plus, but genuine interest in learning it is equally valued.
- Prior work on financial trading platforms and familiarity with instruments such as stocks, futures, and options, or a strong interest in learning the domain.
- Exposure to Linux as a development or deployment environment.
- Working familiarity with Gradle as a build automation tool.
- Awareness of AI-assisted development tools such as Claude Code and other agentic coding tools.
- Comfortable working within an established codebase, following existing architectural patterns, team conventions, and development protocols.
- Able to ramp up quickly on a mature platform and deliver incremental value while respecting existing design decisions.
- Flexible and pragmatic, with the judgment to know when to follow precedent and when to raise a well-reasoned alternative.
- Self-motivated and able to handle tasks with minimal supervision in a fast-paced team.
- High-ownership mindset, taking features from design through delivery and standing behind their quality.
- Outstanding organizational and time management skills.
Company Benefits & Perks- Competitive salary, annual performance-based bonus, and stock grant awards
- 401(k) retirement plan with competitive company match
- Excellent health and wellness benefits, including medical, dental, and vision benefits. 100% employer-paid medical premiums, with generous employer contributions to dental & vision plans as well.
- Wellness screening and assessments, health coaches, and counseling services through an Employee Assistance Program (EAP)
- Generous paid parental leave (up to 16 weeks paid parental leave for eligible employees)
- Company-paid basic life insurance, accidental death & dismemberment (AD&D), and short- and long-term disability coverage
- Flexible Spending Accounts (Healthcare, Dependent Care, and Commuter FSAs)
- Quarterly fitness stipend to offset costs associated with traditional gym and fitness memberships or fees
- Education reimbursement and professional development opportunities
- Legal services, telehealth access, and voluntary insurance options
- Backup child and adult care support through Care.com
- Daily lunch allowance and fully stocked kitchen with healthy breakfast and snack options
