{"id":4324158,"url":"https://alion.io/job/millennium-management-c-software-engineer-trade-capture","title":"C++ Software Engineer – Trade Capture","company":{"id":704283,"name":"Millennium Management","domain":"mlp.com","url":"https://alion.io/company/millennium-management","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Eightfold","truth_index":{"grade":"B","score":82,"open_postings":57,"ghost_share":0,"stale_share":0.509,"repost_share":0,"time_to_fill_p50_days":88,"computed_at":"2026-11-14T05:58:10Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["New York, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":175000,"max":250000,"currency":"USD","period":"year","gross":null,"usd_annual":250000},"salary_estimate":null,"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"C++","optional":false},{"name":"Linux","optional":false},{"name":"SQL","optional":false}],"status":"live","first_seen_at":"2026-10-13T00:00:00Z","employer_posted_date":"2026-10-13","last_verified_at":"2026-11-14T22:51:17Z","board_verified":true,"closed_at":null,"days_open":32,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":32},"description":"C++ Software Engineer - Trade CaptureAbout Millennium\nMillennium is a global, diversified alternative investment firm, founded in 1989. Defined by evolution, innovation and focus, Millennium's mission is to deliver results for our investors.\nOur people are empowered with both independence and support: the autonomy to pursue ideas with conviction and the backing of a global network committed to collaboration, disciplined risk management and continuous learning. With opportunities to deepen expertise and accelerate development, talent at Millennium is equipped to adapt, evolve and build lasting impact over time. Discover how transformative growth accelerates impact.\nMeet the Team\nInformation Technology is core to the health and growth of our business: the firm's active, multi-manager business model demands flexible, scalable technology and advanced proprietary systems, including the development of the next generation of analytical and trading capabilities. Within Information Technology, the Trade Platform Engineering team builds and supports the systems that capture, process, and deliver the firm's trade and execution data.\nWhat You'll Do\nDesign and implement components that ingest, enrich, validate, allocate, and publish trade and execution data from electronic, voice, and manual workflows\nBuild reliable, event-driven processing for trade lifecycle events, including amendments, cancellations, exercises, assignments, resets, and terminations\nContribute to a common commissions and fees framework across asset classes, covering configurable rules, calculations, allocations, adjustments, and reconciliation\nDevelop and evolve APIs, message schemas, and downstream integrations that deliver complete, accurate trade data, and contribute to future platform capabilities such as standardized interfaces, configurable workflows, and client-level entitlements and data isolation\nHelp migrate business-critical workflows from legacy platforms by identifying gaps, supporting legacy coexistence and parallel runs, reconciling results, and preparing controlled cutovers\nBuild operational capabilities for trade-status visibility, exception management, investigation, and correction within appropriate permissions\nOwn features from design and implementation through automated testing, deployment, and operational support, and contribute to improvements in performance, reliability, replay, and recovery\nWork directly with business and technology partners to understand workflows, clarify requirements, and deliver practical solutions\nWhat You Bring\nKnowledge of post-trade systems and workflows, including trade capture, lifecycle processing, allocations, reconciliation, and downstream accounting or back-office integration\n5+ years of experience developing server-side C++ applications on Linux\nStrong understanding of real-time, event-driven software, with experience building reliable, high-performance systems\nSolid knowledge of network programming, Linux internals, concurrency, memory management, object-oriented design, data structures, and algorithms\nExperience with SQL and relational databases\nA strong sense of ownership and attention to quality in designing, testing, and supporting production software, with the ability to prioritize and deliver in a fast-moving environment with changing demands\nClear communication and collaboration skills, including the ability to work with business stakeholders and technical teams to resolve ambiguous requirements\nBachelor's degree in Computer Science, Engineering, or a related discipline, or equivalent practical experience\nSalary Range\nMillennium offers a total compensation package which includes a base salary, discretionary performance bonus, and comprehensive benefits. The estimated base salary range for this position is $175,000 to $250,000, which is specific to New York and may change in the future. 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