Senior Software Engineer in Test
Confirmed on the employer's own hiring board on Oct 4, 2026. First seen by Alion on Jun 29, 2026. Interactive Brokers scores B on the Alion truth index.
About your Team:
On the Transactional Surveillance Technology team you will be testing infrastructure you build will be critical to maintaining the team's velocity and reliability in detecting market manipulation and financial crimes, directly supporting regulatory compliance and protecting millions of client accounts. The quality and reliability you ensure has real-world impact on market fairness and financial security
What will be your responsibilities within IBKR:
As a Software Development Engineer in Test and help protect market integrity at massive scale. You'll build and maintain the automated testing infrastructure that ensures reliability across systems processing 1+ billion order events daily—work that directly impacts the fairness and security of financial markets.
Build scalable testing frameworks that enable our team to deploy confidently and maintain high system reliability
Design comprehensive test suites covering unit, integration, and acceptance testing that catch issues before they reach production
Collaborate with engineers and data scientists to embed quality practices throughout the development lifecycle
Provide metrics and reporting on test coverage, quality trends, and system reliability
Build and maintain monitoring and alerting systems for test infrastructure
Develop data quality checks to ensure integrity across pipelines and databases
Investigate and triage test failures, working with development teams to identify root causes and implement fixes
What required skill’s you need:
Bachelor's degree in Computer Science, Mathematics, Statistics, Physics, or related quantitative field
5-10 years of test automation experience with strong coding skills (Python required)
Strong experience with unit testing frameworks (pytest, unittest, etc.)
Strong communication skills with meticulous attention to detail
Experience with version control systems (git)
Experience & Mindset:
Solid foundation in testing methodologies and quality assurance principles
Strong problem-solving and analytical abilities
Self-motivated with ability to drive projects independently
Preferred Qualifications
Experience with data quality/lineage platforms (Manta/Ataccama)
Background in performance/load testing tools
API and contract testing experience
Experience with data engineering concepts and tools
Experience with monitoring/observability tools
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 (2 days 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.