{"id":1694773,"url":"https://alion.io/job/interactive-brokers-senior-software-developer-client-tax","title":"Senior Software Developer - Client Tax","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":"B","score":75,"open_postings":50,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-10-05T05:45:15Z"}},"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":124000,"max_usd":228000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":2745},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":true,"technologies":[{"name":"Java","optional":false},{"name":"Oracle","optional":false},{"name":"Rest API","optional":false}],"status":"live","first_seen_at":"2026-06-30T10:00:00Z","employer_posted_date":"2026-10-02","last_verified_at":"2026-10-05T23:21:37Z","board_verified":true,"closed_at":null,"days_open":97,"trust":{"level":"stale","repost_count":0,"flags":["stale"],"days_open":96},"description":"This is Hybrid role (3 days in office / 2 day remote)\nAbout Your Team \nYou will be joining the Client Tax (TaxCust) group within the broader Client Tax Team. While the Client Tax Team covers a wide range of tax-related functions, TaxCust is specifically focused on the development and maintenance of the systems that power our client-facing tax operations. Our core responsibilities include: \n Maintaining and continuously improving the enterprise brokerage tax form collection and reporting system \nMaintaining and improving the Oracle data models and XML schemas that underpin our tax data architecture\nMaintaining and improving the Java-based processing and reporting programs that drive our tax workflows\nWe are a technically focused team operating at the intersection of financial services and enterprise software engineering, building and evolving mission-critical systems that serve clients at scale. \n\nYour Role \nAs a new member of TaxCust, you will take on meaningful technical ownership from day one. Over your first two years, your responsibilities will include:\nMaintaining and improving the enterprise brokerage tax form collection and reporting system \nMaintaining and improving related Oracle data models and XML schemas\nMaintaining and improving processing and reporting Java programs\nExtracting technical requirements from business specifications for the tax form collection and reporting system\nPlanning and implementing end-to-end system improvements across the full technology stack\nAnalyzing and resolving production incidents, ensuring system stability and reliability\nAnalyzing resource usage and scalability bottlenecks and implementing targeted improvements\nPlanning and implementing a transition from a bulk processing model to an event-based processing architecture\nThis is a highly impactful role where your contributions will directly shape the reliability, scalability, and evolution of a core enterprise platform. \n\nMust-Have Skills \nStrong database knowledge and experience, including data modeling and design\nExperience working with large-scale data repositories\nStrong object-oriented software development skills, with hands-on experience in Java, Spring, and REST APIs\nDemonstrated ability to extract technical specifications from business requirements\nProven ability to plan, implement, and lead complex software projects from inception to delivery\nDetail-oriented and quality-focused mindset with a commitment to engineering excellence \nNice-to-Have Skills \nFamiliarity with US and international tax regulations and reporting requirements\nKnowledge of or experience with IRS tax forms (W-8, W-9) and IRS tax reporting (1099)\nKnowledge of or experience with CRS (Common Reporting Standard) tax reporting \nCompany Benefits & Perks\nCompetitive salary, annual performance-based bonus and stock grant\nRetirement plan 401(k) with competitive company match\nExcellent health and wellness benefits, including medical, dental, and vision benefits. Company paid medical healthcare premium.\nWellness screenings and assessments, health coaches and counseling services through an Employee Assistance Program (EAP)\nDaily company lunch allowance provided and a fully stocked kitchen with healthy options for breakfast and snacks\nCorporate events including team outings, dinners, volunteer activities and company sports teams\nEducation reimbursement and learning opportunities","description_format":"text","description_chars":3396,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":["Retirement plans"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Financial Services"],"lifecycle":[{"event":"open","at":"2026-10-02T11:57:18Z"}],"visa":[],"liveness":{"score":9,"band":"cold","label":"Long shot","p_open":1,"p_active":0.306,"p_room":0.28,"age_days":96,"expected_fill_days":30,"reasons":["conf:1","stale_co","velocity","win:tail","crowd:brand"],"computed_at":"2026-10-05T05:45:15Z"},"pay":null,"html_url":"https://alion.io/job/interactive-brokers-senior-software-developer-client-tax","json_url":"https://alion.io/job/interactive-brokers-senior-software-developer-client-tax.json","meta":{"generated_at":"2026-10-06T01:07:02Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler","counted_by":"address","units_charged":1,"used_today":1541,"day_limit":5000,"remaining_today":3459,"minute_limit":60,"resets_at":"2026-10-07T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":58627},"rest":"https://alion.io/mcp/rest/get_company?id=58627"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Finteractive-brokers-senior-software-developer-client-tax"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Finteractive-brokers-senior-software-developer-client-tax"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Finteractive-brokers-senior-software-developer-client-tax"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/interactive-brokers-senior-software-developer-client-tax\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Finteractive-brokers-senior-software-developer-client-tax"}]}