Senior Software Developer - Python

This is a hybrid role (3 days in the office/2 days remote).About your team:The Financial Crimes Surveillance team develops and maintains sophisticated systems that detect and prevent fraud, market manipulation, and money laundering across Interactive Brokers' global platform. In this role, you'll architect, implement, optimize, and maintain large-scale data pipelines and surveillance models that process massive volumes of financial data. The team consists of software engineers, data engineers, compliance specialists, and data scientists working on mission-critical infrastructure that directly protects the integrity of the financial system.The Scale & Impact:

Process 1+ billion order events and 6+ million trades dailyProtect 4.5+ million client accountsDirect impact on financial security and regulatory compliance

What will be your responsibilities within IBKR:Technical Excellence

Design, optimize, and extend transaction surveillance and data pipeline processes to enhance system efficiency, reliability, and scalabilityNavigate seamlessly between strategic, system-level architecture and function-level implementation details of our surveillance system, which orchestrates 150+ processesOptimize data architectures and databases for maximum performance and reliabilityBuild developer tooling to accelerate development workflows and system monitoringEnsure data accuracy, security, and compliance with regulatory standards

Ownership and Cross-Functional Partnership

Take ownership of projects and sub-systems from planning through resolution, making impactful decisions on complex technical and business-related questionsCollaborate effectively with quantitative engineers, surveillance model developers, and Compliance stakeholders to translate complex business requirements into scalable designs and processesIdentify project bottlenecks, risks, and limitations; calculate costs; and provide strategic insights to stakeholdersTransform high-level surveillance concepts into production-ready processes that deliver actionable insights

Data Architecture & Stewardship

Own and curate dozens of mission-critical datasets that drive surveillance operationsDesign, build, and automate robust data pipelines to support real-time and batch processingDevelop advanced data quality frameworks to proactively identify issues before they impact operations

Innovation & Optimization

Contribute to the evolution of coding standards and internal code review processesDrive best practices in data storage, retrieval, governance, and privacy protectionDrive automation of processes and workflows to reduce manual effort and enhance system maintainability

Which skills are required:

5+ years of professional software engineering experience in Python, C++ or Java3+ years of professional experience in Python as a primary language (non-scripting)Extensive experience in Polars, Pandas or NumPy1-3 years of professional experience with Linux operating systemsThorough understanding of databases and SQLExperience with large Python codebasesBachelor's or master's degree in Computer Science, or a related areaHigh attention to detail

Good to Have:

Experience with data engineering or ETL pipelinesKnowledge of financeKnowledge of C++ or JavaMasters/PhD

To be successful in this position, you will possess the following:

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 grantRetirement plan 401(k) with competitive company matchExcellent 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)Daily company lunch allowance provided, and a fully stocked kitchen with healthy options for breakfast and snacksCorporate events, including team outings, dinners, volunteer activities and company sports teamsEducation reimbursement and learning opportunitiesThis role's anticipated base salary range is 200,000 to 250,000 annually based on skill's and experience. The offered salary is just part of the total compensation package. In addition to a competitive salary, the company offers both a discretionary cash bonus and stock award as well as a wide range of benefits, including health care, tuition reimbursement and much more