Senior Software Developer- Python Greenwich, CT

Interactive Brokers Group, Inc. (Nasdaq: IBKR) is a global financial services company headquartered in Greenwich, CT, USA, with offices in over 15 countries. We have been at the forefront of financial innovation for over four decades, known for our cutting-edge technology and client commitment.

IBKR affiliates provide global electronic brokerage services around the clock on stocks, options, futures, currencies, bonds, and funds to clients in over 200 countries and territories. We serve individual investors and institutions, including financial advisors, hedge funds and introducing brokers. Our advanced technology, competitive pricing, and global market help our clients to make the most of their investments.

Barron's has recognized Interactive Brokers as the #1 online broker for six consecutive years. Join our dynamic, multi-national team and be a part of a company that simplifies and enhances financial opportunities using state-of-the-art technology.

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

About your team:

The Compliance Surveillance group is looking for a Senior Python Software Engineer to develop highly automated and scalable processes that scan order activity and trades to detect potential market manipulation and money laundering, in addition to other regulatory/criminal violations. We currently process more than 1 billion order events and 5 million trades per day for over 3.5 million client accounts. As a member of the group, you will implement, optimize, and scale our processes to handle new requirements and our anticipated large growth in client activity.

• Creation, optimization, and extension of trade surveillance processes
• Building infrastructure services to support our market surveillance system
• Participating in code reviews via a Git/Gerrit workflow
• Take ownership of internal user issues reported and see problems through to resolution

• 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 Pandas or Num Py
• 1-3 years of professional experience with Linux operating systems
• Thorough understanding of databases and SQL
• Experience with large Python codebases
• Bachelor's or master's degree in Computer Science, or a related area
• High attention to detail

• Experience with data engineering or ETL pipelines
• Knowledge of finance
• Knowledge of C++ or Java
• Masters/PhD

• Self-motivated and able to handle tasks with minimal supervision.
• Superb analytical and problem‑solving skills.
• Excellent collaboration and communication (verbal and written) skills.
• Outstanding organizational and time management skills.

• 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.
• Wellness screenings and assessments, health coaches and counseling services through an Employee Assistance Program (EAP)
• Paid time off and a generous parental leave policy
• Daily company lunch allowance provided, and a fully stocked kitchen with healthy options for breakfast and snacks
• Corporate events, including team outings, dinners, volunteer activities and company sports teams
• Education reimbursement and learning opportunities
• Modern offices with multi-monitor setups

Interactive Brokers (“IBKR”) is committed to protecting the privacy of its users and employees. We do not discriminate on the basis of any protected class status under any applicable law. As a federal contractor subject to the Vietnam Era Veterans Readjustment Assistance Act (VEVRAA), we require information about protected veterans to measure the effectiveness of our outreach and positive recruitment efforts.

We comply with all relevant equal opportunity statutes and solicit a diverse pool of qualified applicants.