{"id":2642641,"url":"https://alion.io/job/interactive-brokers-senior-java-developer","title":"Senior Java Developer","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":50,"ghost_share":0,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":106,"computed_at":"2026-10-16T05:45:00Z"}},"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":235000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":3287},"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":true,"technologies":[{"name":"Claude","optional":false},{"name":"Copilot","optional":false},{"name":"Java","optional":false},{"name":"Linux","optional":false},{"name":"Perl","optional":false},{"name":"Python","optional":false},{"name":"Spring Boot","optional":false},{"name":"Amazon EC2","optional":true},{"name":"AWS","optional":true},{"name":"Bitbucket","optional":true},{"name":"Gerrit","optional":true},{"name":"Git","optional":true},{"name":"Gradle","optional":true},{"name":"Model Context Protocol","optional":true}],"status":"live","first_seen_at":"2026-10-15T10:00:00Z","employer_posted_date":"2026-10-15","last_verified_at":"2026-10-16T15:54:19Z","board_verified":true,"closed_at":null,"days_open":1,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":1},"description":"This is Hybrid role (3 days in office /2 days remote)\nAbout your Team:\nOur team builds and supports mission-critical applications that power Interactive Brokers' back office, accounting, treasury, and compliance functions globally.\nWe're looking for a Senior Java Developer to drive the full software development lifecycle — from planning and prioritization through testing and release. With strong technical depth and the communication skills to align technical and business stakeholders.\nThis role suits someone who is organized, deadline-driven, process-disciplined, and thrives in cross-functional collaboration.\nKey Responsibilities :\nDesign, develop, and maintain high-performance, scalable, and resilient financial applications\nOptimize and refactor existing code to improve reliability and performance.\nPartner with other developers and stakeholders to plan, prioritize, and deliver development initiatives\nValidate AI-assisted or AI-refactored code with sufficient automated test coverage before submitting for review.\nConduct thorough code reviews — including validation of testing results — and ensure large change sets are broken into reviewable units\nCollaborate across teams to implement and roll out solutions in both production and development environments.\nProactively identify and resolve technical issues before they impact downstream systems\nRequired Qualifications :\nBachelor's or Master's degree in Computer Science, Information Technology, or a related field.\n5-10 years of experience designing and building medium-to-large scale applications using Java and/or Python/Perl on Linux platform.\nStrong hands-on experience with Java Spring, including both Spring Boot (micro services) and traditional Spring applications.\nStrong grasp of object-oriented design principles and common design patterns.\nExperience with JDBC and relational databases (Oracle preferred).\nHands-on experience using AI-assisted development tools (e.g., Claude, GitHub Copilot, or similar) across the software development life cycle.\nExcellent collaboration and communication skills, with experience partnering across development teams on critical roll outs.\nKnowledge of financial instruments or a strong motivation to learn financial markets and concepts.\nNice to have :\nExperience with Git, Gerrit, Bitbucket, Gradle, and/or Ivy.\nExperience building or integrating MCP (Model Context Protocol) servers to connect AI tools with internal systems, enabling faster, AI-assisted development workflows.\nExperience developing web applications using Spring Boot\nExperience with SWIFT MT/MX messaging standards.\nHands-on experience with AWS, including data lake architectures (using Parquet file formats), Athena, and EC2, for building and operating datadriven, production-grade applications.\nWhat makes you successful in this role :\nStrong technical and business knowledge\nSelf-motivated, results-oriented, and able to work independently with minimal supervision\nStrong analytical and problem-solving capabilities.\nExcellent verbal and written communication skills.\nOutstanding organizational and time-management discipline.\nCompany Benefits & Perks\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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