Compliance Data Analyst

Group One Trading • Chicago, IL

5d • Onsite

About The Position

Group One Trading is seeking a Compliance Data Analyst to sit at the intersection of technology and compliance, building and maintaining the data infrastructure that powers our trade surveillance, investigations, and regulatory reporting programs. You'll work closely with the Compliance Team and technology departments to design analytical tools, optimize surveillance systems, and provide quantitative support for complex compliance matters. The ideal candidate combines strong technical skills in Python and SQL with intellectual curiosity and a commitment to accuracy in a high-stakes environment.

Requirements

• Strong proficiency in Python and SQL, with hands-on experience using data analysis libraries such as Pandas, Polars, and NumPy, and visualization tools such as Plotly, Matplotlib, or Seaborn
• Experience building analytical tools from requirements through deployment
• Familiarity with data visualization and dashboard platforms such as PowerBI, Grafana, or Jupyter
• Experience querying large-scale datasets; MS SQL or similar big data technologies isa plus
• Comfortable with Git version control and a Windows development environment
• Strong analytical and problem-solving skills with exceptional attention to detail
• Ability to translate complex technical concepts into clear, understandable explanations for non-technical compliance staff
• Background in financial services, trading, or compliance environments preferred; proprietary trading firm, exchange, broker-dealer, or regulatory organization experience is a bonus
• Familiarity with compliance surveillance systems or regulatory reporting is an advantage
• Machine learning or statistical modeling experience for pattern detection or anomaly detection highly valued
• FINRA SIE and Series 57 licenses required within six months of employment
• Bachelor's or Master's degree in related field with a demonstrated focus in a quantitative or technical field

Nice To Haves

• MS SQL or similar big data technologies is a plus
• Background in financial services, trading, or compliance environments preferred; proprietary trading firm, exchange, broker-dealer, or regulatory organization experience is a bonus
• Familiarity with compliance surveillance systems or regulatory reporting is an advantage
• Machine learning or statistical modeling experience for pattern detection or anomaly detection highly valued

Responsibilities

• Design, build, and maintain trade surveillance applications and analytical tools using Python and SQL
• Create automated reports and dashboards for surveillance metrics, testing results, and compliance performance indicators
• Configure and optimize surveillance system rules and parameters to improve detection effectiveness and reduce false positives
• Develop custom detection algorithms and scenarios for specialized or emerging compliance risks
• Provide advanced quantitative analysis for complex compliance investigations, including reconstruction of trading patterns and statistical anomaly detection
• Create data visualizations to illustrate trading behavior for investigation reports and regulatory submissions
• Support operational reporting to external compliance data platforms, including the Consolidated Audit Trail, ensuring data feeds are accurate, complete, and timely
• Collaborate with the Data Platform and technology teams to identify data sources, maintain reporting infrastructure, and develop integrated solutions
• Maintain detailed documentation of data processes, system configurations, and analytical methods
• Provide technical training and guidance to compliance staff on data tools, query techniques, and analytical platforms

Benefits

• 401(k) and Roth 401(k) retirement plans with employer matching
• Medical, dental, vision
• Generous vacation time
• Paid holidays
• Parental leave
• Flexible spending accounts (FSA) for health care, dependent daycare, and parking or mass transit expenses

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Number of Employees: 11-50 employees