Senior Python Developer
Confirmed on the employer's own hiring board on Oct 6, 2026. First seen by Alion on Jun 29, 2026. Interactive Brokers scores B on the Alion truth index.
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 scalability
Navigate seamlessly between strategic, system-level architecture and function-level implementation details of our surveillance system, which orchestrates 150+ processes
Optimize data architectures and databases for maximum performance and reliability
Build developer tooling to accelerate development workflows and system monitoring
Ensure 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 questions
Collaborate effectively with quantitative engineers, surveillance model developers, and Compliance stakeholders to translate complex business requirements into scalable designs and processes
Identify project bottlenecks, risks, and limitations; calculate costs; and provide strategic insights to stakeholders
Transform 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 operations
Design, build, and automate robust data pipelines to support real-time and batch processing
Develop 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 processes
Drive best practices in data storage, retrieval, governance, and privacy protection
Drive 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 Java
3+ years of professional experience in Python as a primary language (non-scripting)
Extensive experience in Pandas or NumPy, Polars is nice to have
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
Good to Have:
Experience with data engineering or ETL pipelines
Knowledge of finance
Knowledge of C++ or Java
Masters/PhD
To be successful in this position, you will have 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
Discretionary annual bonus (cash and stock)
Private healthcare insurance
Subsidized recreational pass (AYCM XL package - 80% employer contribution)
Daily food allowance in the office
Monthly BKK pass
Hybrid way of working (1 day home office/week)
Modern office in the heart of Budapest with free amenities
Great atmosphere with friendly and exceptional colleagues, frequent company outings.*The benefits package will be reviewed regularly and may be subject to change.