Senior Data Engineer

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.

Our Financial Crimes Surveillance team seeks a Senior Data Engineer to play a critical role in protecting the financial system. You'll architect, implement, optimize, and maintain sophisticated data pipelines that power real-time and batch surveillance models that pinpoint fraud, market manipulation, and money laundering across our platform.

• Process 1+ billion order events and 5+ million trades daily
• Protect 3.5+ million client accounts
• Direct impact on financial security and regulatory compliance

• →Data Architecture & Stewardship
  • →Own and curate dozens of mission-critical datasets that drive surveillance operations.
  • →Design, build, and automate robust data pipelines supporting real-time and batch processing.
  • →Develop advanced data quality frameworks to proactively identify issues before they impact operations.
• →Cross-Functional Partnership
  • →Collaborate with quantitative engineers and surveillance model developers to translate complex business requirements into scalable data solutions.
  • →Transform high-level surveillance concepts into production-ready processes that deliver actionable insights.
• →Technical Excellence
  • →Build an analytical infrastructure enabling seamless data exploration and visualization
  • →Optimize data architectures and databases for maximum performance and reliability
  • →Create developer tooling that accelerates pipeline development and monitoring
  • →Ensure data accuracy, security, and compliance with regulatory standards
• →Innovation & Optimization
  • →Continuously enhance system reliability, performance, and efficiency
  • →Load and format datasets for optimal consumption by quantitative researchers and ML models
  • →Drive best practices in data governance and privacy protection

• 5+ years of professional software engineering with a focus on data pipeline development (Python or Java)
• 3+ years of production Python experience beyond scripting
• Expert-level proficiency in Pandas or Polars
• 1-3 years of hands-on Linux systems experience
• Deep understanding of databases and SQL optimization
• Bachelor's or master's degree in computer science or a related technical field

• Financial services or fintech background
• Proficiency in C++ or Java
• Advanced degree (Master's/PhD)

• Self-motivation 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.