{"id":1289788,"url":"https://alion.io/job/millennium-management-senior-c-engineer-high-frequency-trading","title":"Senior C++ Engineer - High Frequency Trading","company":{"id":704283,"name":"Millennium Management","domain":"mlp.com","url":"https://alion.io/company/millennium-management","size_band":"11-50","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Eightfold","truth_index":{"grade":"A","score":85,"open_postings":65,"ghost_share":0,"stale_share":0.385,"repost_share":0,"time_to_fill_p50_days":90,"computed_at":"2026-10-19T05:45:15Z"}},"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":["Singapore"],"countries":["SG"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":62000,"max_usd":132000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":113},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AWS","optional":false},{"name":"C++","optional":false},{"name":"GCP","optional":false},{"name":"HPC","optional":false},{"name":"Linux","optional":false},{"name":"Python","optional":false}],"status":"live","first_seen_at":"2026-04-29T00:00:00Z","employer_posted_date":"2026-04-29","last_verified_at":"2026-10-19T03:00:10Z","board_verified":true,"closed_at":null,"days_open":173,"trust":{"level":"ok","repost_count":0,"flags":[],"days_open":173},"description":"Senior C++ Engineer - High Frequency TradingThe Systematic Platform Execution & Exchange Data (SPEED) Team is at the core of Millennium’s Equities, Quant Strategies, and Shared Services Technology organization, powering the firm’s lowest-latency solutions for systematic and high-frequency trading. SPEED delivers the live trading and market-data platforms used by portfolio managers and risk systems, including Latency Critical Trading (LCT), DMA OMS (Client Direct), DMA market data feeds, packet capture (PCAPs), enterprise market data, and intraday data services across latency tiers from sub-100 nanoseconds to millisecond-sensitive workflows. By building and operating this execution and data infrastructure, SPEED enables portfolio managers and researchers to compete effectively in the most time-critical markets.\nAs a Senior HFT Developer on SPEED, you will design and build core low-latency components for order entry, market data, exchange simulation, feature extraction, and strategy containers, initially focused on delivering the full set of capabilities required for trading and research infrastructure. You will collaborate closely with system architects and quantitative researchers, operate and optimize these systems in production, and provide technical leadership for SPEED’s HFT platform within the APAC region, with clear opportunities to grow into formal team leadership as the effort scales.. This role offers the chance to work end-to-end on mission-critical HFT systems in a highly technical environment, directly shaping the performance, reliability, and evolution of platforms that are central to Millennium’s trading edge.\nPrincipal Responsibilities\nBuild low-latency infrastructure for order entry, market data, exchange simulators, feature extraction, strategy container, and other systems.\nBuild convenience layer tools and services to facilitate trading teams onboarding at MLP.\nParticipate in a follow-the-sun support rotation (L2) for latency-critical systems, including real-time troubleshooting of production issues.\nWork closely with the SPEED architect, quantitative researchers, and the business to provide high ROI solutions that are aligned with both the business and the platform strategy.\nProvide technical leadership for SPEED’s low-latency trading platform in the APAC region, owning key architectural decisions, setting performance and quality standards, and mentoring less-experienced engineers.\nWill liaise with many other MLP teams depending on project focus.\n Qualifications/Skills Required\n5+ years with a well-regarded HFT group, delivering production-grade, low-latency systems.\nDemonstrated expertise in C++ and Python for production, low-latency systems.\nStrong understanding of Linux internals, CPU architecture (caches, NUMA, branch prediction), and performance profiling.\nExperience with ultra-low-latency networking (multicast market data, TCP/UDP, kernel-bypass such as DPDK/Onload, custom NIC/FPGA stacks a plus).\nStrong understanding of the HFT quantitative research pipeline.\nExperience with HPC grids (scheduling, storage, job management) for research and production workloads.\nCloud experience (AWS, GCP) is a plus\nProven ability to navigate large organizations, create cross-team synergies, and influence outcomes.\nHigh accountability and ownership; able to self-manage time, set priorities, and meet deadlines.\nDemonstrated technical leadership with cross-team influence and team-management potential","description_format":"text","description_chars":3468,"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":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Hedge Funds & Alternative Investments"],"lifecycle":[{"event":"open","at":"2026-09-26T07:37:06Z"}],"visa":[],"liveness":{"score":18,"band":"cold","label":"Long shot","p_open":1,"p_active":0.494,"p_room":0.36,"age_days":173,"expected_fill_days":90,"reasons":["conf:2","velocity","win:tail","crowd:brand"],"computed_at":"2026-10-19T05:45:15Z"},"pay":null,"html_url":"https://alion.io/job/millennium-management-senior-c-engineer-high-frequency-trading","json_url":"https://alion.io/job/millennium-management-senior-c-engineer-high-frequency-trading.json","meta":{"generated_at":"2026-10-19T06:13:18Z","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_verified","counted_by":"address","units_charged":1,"used_today":3846,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-20T00:00:00Z"}},"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":704283},"rest":"https://alion.io/mcp/rest/get_company?id=704283"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fmillennium-management-senior-c-engineer-high-frequency-trading"},{"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%2Fmillennium-management-senior-c-engineer-high-frequency-trading"},{"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%2Fmillennium-management-senior-c-engineer-high-frequency-trading"},{"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/millennium-management-senior-c-engineer-high-frequency-trading\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fmillennium-management-senior-c-engineer-high-frequency-trading"}]}