Senior Quantitative Surveillance Engineer

Job Overview Interactive Brokers (IBKR) seeks a Quantitative Software Engineer to join our elite transaction surveillance team. Your work will develop sophisticated detection systems that identify market manipulation, fraud, and money laundering attempts before they impact market integrity, directly influencing how one of the world’s largest electronic brokers protects the financial ecosystem. Responsibilities Architect next-generation surveillance models to detect emerging manipulation patterns across global markets Partner with compliance leadership to ensure surveillance systems meet and exceed regulatory expectations Translate your experience into algorithms that identify suspicious trading and cashiering activity with high accuracy Conduct sophisticated data analysis on massive financial datasets (hundreds of millions of daily orders, millions of daily trades) Evaluate model performance to optimize detection accuracy while minimizing false positives Document methodologies to withstand regulatory scrutiny and examination Required Skills Bachelor's degree in Computer Science, Mathematics, Statistics, Physics, or related quantitative field Strong programming proficiency in Python Professional experience: 5+ years (3+ for Master's, 1+ for PhD) hands‑on experience in market surveillance Domain expertise in at least one of: Large‑scale financial data analysis (orders, trades, market data) Market manipulation detection methodologies (spoofing/layering, insider trading, money laundering, fraud, etc.) Regulatory‑driven feature engineering Communication excellence in explaining complex surveillance concepts to diverse stakeholders Good to Haves Regulatory background at the SEC, FINRA, or major securities exchanges Mastery of Python data‑science tools (pandas, scikit‑learn, xgboost, catboost) Deep understanding of market microstructure and trading strategies Specialized knowledge in AML and market manipulation typologies Success Factors 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 Company Benefits & Perks 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, with a company‑paid medical healthcare premium Wellness screenings and assessments, health coaches and counseling services through an Employee Assistance Program (EAP) Daily company lunch allowance and a fully stocked kitchen with healthy options for breakfast and snack Corporate events, including team outings, dinners, volunteer activities and company sports teams Education reimbursement and learning opportunities Equal Employment Opportunity Interactive Brokers (IBKR) is committed to protecting the privacy of its users and is an equal opportunity employer. We do not discriminate on the basis of any protected group status under any applicable law. Veteran applicants are encouraged to apply. #J-18808-Ljbffr Interactive Brokers Group, Inc.