{"id":3467643,"url":"https://alion.io/job/interactive-brokers-senior-software-engineer-transaction-surveillance","title":"Senior Software Engineer - Transaction Surveillance","company":{"id":58627,"name":"Interactive Brokers","domain":"interactivebrokers.com","url":"https://alion.io/company/interactive-brokers","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Dayforce","truth_index":{"grade":"A","score":95,"open_postings":113,"ghost_share":0,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":82,"computed_at":"2026-11-05T05:54:30Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":null,"work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Greenwich, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":128000,"max_usd":238000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":3667},"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":true,"technologies":[{"name":"CI/CD","optional":false},{"name":"Datadog","optional":false},{"name":"Git","optional":false},{"name":"GitHub Actions","optional":false},{"name":"GitLab CI","optional":false},{"name":"Grafana","optional":false},{"name":"Great Expectations","optional":false},{"name":"Jenkins","optional":false},{"name":"Prometheus","optional":false},{"name":"Pytest","optional":false},{"name":"Python","optional":false}],"status":"live","first_seen_at":"2026-10-29T09:00:00Z","employer_posted_date":"2026-10-29","last_verified_at":"2026-11-05T15:12:16Z","board_verified":true,"closed_at":null,"days_open":7,"trust":{"level":"ok","repost_count":0,"flags":["company_stale"],"days_open":6},"description":"This is Hybrid role (3 days in office /2 days remote)\n\nAbout the team\nThe 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.\n\nThe role\nWe 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.\n\nWhat you'll do\nOwn the architecture of our test frameworks covering backend, frontend, and machine-learning pipelines\nTreat test infrastructure as a product: architecture, code review, maintainability standards\nDefine data quality for pipelines processing 1B+ events daily\nArchitect integration, performance, and contract testing for distributed, event-driven systems\nDrive cross-team root-cause triage, diagnose systemic issues, and identify architectural fixes\nRaise engineering quality standards across development and data science\n\nRequired\nBachelor's degree in Computer Science, Mathematics, Statistics, Physics, or a related quantitative field\n5+ years of professional software engineering experience, with strong production-quality Python\nSolid software engineering fundamentals: data structures, code review, and system design\nExperience designing and building a test framework, or a significant part of one, and maintaining it over time\nDeep pytest experience: fixtures, plugins, parametrization, and scaling large suites\nGit and CI/CD experience (e.g., Jenkins, GitHub Actions, GitLab CI)\nStrong written and verbal communication, with close attention to detail\n\nStrongly preferred\nExperience testing data-intensive or distributed systems (pipelines, streaming, databases, APIs), including data quality and lineage tools (Manta, Ataccama, Great Expectations)\nMonitoring and observability tools (Grafana, Prometheus, Datadog, ELK)\n\nBenefits\nCompetitive salary, annual performance-based bonus, and stock grant awards\n401(k) retirement plan with competitive company match\nExcellent 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.\nWellness screening and assessments, health coaches, and counseling services through an Employee Assistance Program (EAP)\nGenerous paid parental leave (up to 16 weeks paid parental leave for eligible employees)\nCompany-paid basic life insurance, accidental death & dismemberment (AD&D), and short- and long-term disability coverage\nFlexible Spending Accounts (Healthcare, Dependent Care, and Commuter FSAs)\nQuarterly fitness stipend to offset costs associated with traditional gym and fitness memberships or fees\nEducation reimbursement and professional development opportunities\nLegal services, telehealth access, and voluntary insurance options\nBackup child and adult care support through Care.com\nDaily lunch allowance and fully stocked kitchen with healthy breakfast and snack 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