Job Overview
Location
Greenwich, CT
Job Type
Full-time
Category
Software Engineering
Date Posted
April 14, 2026
Full Job Description
đź“‹ Description
- • Senior Software Developer- Python role at Interactive Brokers LLC, contributing to the Financial Crimes Surveillance team that develops systems to detect and prevent fraud, market manipulation, and money laundering across a global platform processing over 1 billion order events and 6+ million trades daily.
- • Day-to-day responsibilities include designing and optimizing transaction surveillance and data pipeline processes, owning mission-critical datasets, building developer tooling, ensuring data accuracy and regulatory compliance, collaborating with quantitative engineers and compliance stakeholders, and driving innovation in data storage, retrieval, and workflow automation.
- • The team consists of software engineers, data engineers, compliance specialists, and data scientists working on mission-critical infrastructure that protects the integrity of the financial system, operating in a hybrid model (3 days in office, 2 days remote) from Greenwich, CT.
- • In this role, you will achieve technical leadership by architecting scalable systems, gain deep expertise in financial surveillance and large-scale data engineering, and directly impact regulatory compliance and financial security for 4.5+ million client accounts across 200+ countries.
🎯 Requirements
- • 5+ years of professional software engineering experience in Python, C++ or Java
- • 3+ years of professional experience in Python as a primary language (non-scripting)
- • Extensive experience in Polars, Pandas or NumPy
- • Thorough understanding of databases and SQL
- • Bachelor's or master's degree in Computer Science, or a related area
🏖️ Benefits
- • Competitive salary, annual performance-based bonus and stock grant
- • Retirement plan 401(k) with competitive company match
- • Excellent health and wellness benefits, including medical, dental, and vision benefits, and a company-paid medical healthcare premium
- • Daily company lunch allowance provided, and a fully stocked kitchen with healthy options for breakfast and snacks
- • Education reimbursement and learning opportunities
Skills & Technologies
About Interactive Brokers LLC
Interactive Brokers LLC is a U.S.-regulated electronic brokerage and market maker that provides direct-access trading in stocks, options, futures, forex, bonds, ETFs and funds to individual and institutional clients worldwide. The company operates a consolidated equity capital of over $10 billion, routes orders to more than 150 markets in 33 countries, and offers a proprietary Trader Workstation platform, margin lending, portfolio management tools, research and robo-advisory services through Interactive Advisors. Founded in 1978 and headquartered in Greenwich, Connecticut, it is listed on NASDAQ under ticker IBKR and regulated by SEC, FINRA, NYSE and global authorities.
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