Senior Software Engineer - Transaction Surveillance

This is Hybrid role (3 days in office /2 days remote)

About the teamThe Compliance Surveillance team builds the systems that detect market manipulation and financial crime across millions of client accounts. Our platforms process more than 1 billion order events a day, and their correctness supports regulatory compliance and market fairness.

The roleWe are looking for a senior software engineer who specializes in testing and quality. You will design, build, and own the test frameworks and quality infrastructure for our surveillance systems. This is a software engineering role, not a test-writing role. You will write production-quality code, make system design decisions, and own the architecture of how we test, measure, and monitor quality. You will work directly with developers and data scientists, with a direct line to engineering leadership.

What you'll do

Own the architecture of our test frameworks covering backend, frontend, and machine-learning pipelinesTreat test infrastructure as a product: architecture, code review, maintainability standardsDefine data quality for pipelines processing 1B+ events dailyArchitect integration, performance, and contract testing for distributed, event-driven systemsDrive cross-team root-cause triage, diagnose systemic issues, and identify architectural fixesRaise engineering quality standards across development and data science

Required

Bachelor's degree in Computer Science, Mathematics, Statistics, Physics, or a related quantitative field5+ years of professional software engineering experience, with strong production-quality PythonSolid software engineering fundamentals: data structures, code review, and system designExperience designing and building a test framework, or a significant part of one, and maintaining it over timeDeep pytest experience: fixtures, plugins, parametrization, and scaling large suitesGit and CI/CD experience (e.g., Jenkins, GitHub Actions, GitLab CI)Strong written and verbal communication, with close attention to detail

Strongly preferred

Experience testing data-intensive or distributed systems (pipelines, streaming, databases, APIs), including data quality and lineage tools (Manta, Ataccama, Great Expectations)Monitoring and observability tools (Grafana, Prometheus, Datadog, ELK)

Benefits

Competitive salary, annual performance-based bonus, and stock grant awards401(k) retirement plan with competitive company matchExcellent health and wellness benefits, including medical, dental, and vision benefits. 100% employer-paid medical premiums, with generous employer contributions to dental & vision plans as well.Wellness screening and assessments, health coaches, and counseling services through an Employee Assistance Program (EAP)Generous paid parental leave (up to 16 weeks paid parental leave for eligible employees)Company-paid basic life insurance, accidental death & dismemberment (AD&D), and short- and long-term disability coverageFlexible Spending Accounts (Healthcare, Dependent Care, and Commuter FSAs)Quarterly fitness stipend to offset costs associated with traditional gym and fitness memberships or feesEducation reimbursement and professional development opportunitiesLegal services, telehealth access, and voluntary insurance optionsBackup child and adult care support through Care.comDaily lunch allowance and fully stocked kitchen with healthy breakfast and snack options