{"id":3200833,"url":"https://alion.io/job/hudson-river-trading-software-engineer-c","title":"Software Engineer – C++","company":{"id":58609,"name":"Hudson River Trading","domain":"hudsonrivertrading.com","url":"https://alion.io/company/hudson-river-trading","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":{"grade":"C","score":69,"open_postings":78,"ghost_share":0.513,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-10-28T05:59:10Z"}},"role":"Backend","role_family":"Backend","seniority":"junior","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Austin, United States","Chicago, United States","London, United Kingdom","New York, United States"],"countries":["US","GB"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":200000,"max":300000,"currency":"USD","period":"year","gross":null,"usd_annual":300000},"salary_estimate":null,"experience_years_min":1,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"C++","optional":false},{"name":"Linux","optional":false},{"name":"Unix","optional":false}],"status":"live","first_seen_at":"2025-11-12T23:50:03Z","employer_posted_date":"2026-10-01","last_verified_at":"2026-10-29T01:51:39Z","board_verified":true,"closed_at":null,"days_open":350,"trust":{"level":"ghost","repost_count":0,"flags":["stale","company_stale"],"days_open":349},"description":"At Hudson River Trading (HRT), C++ is at the center of our live trading systems and research infrastructure. Our C++ engineers build the highly performant, fault-tolerant systems that power trading across global markets. HRT’s distributed system is on the Pareto frontier of latency and throughput, giving you limitless opportunity to leverage your deep knowledge of C++, OS internals, CPU architecture, and networking hardware and protocols. You’ll work side-by-side with researchers, traders, and hardware specialists, implementing solutions where every microsecond matters.\nOur bottom-up approach to projects and our highly collaborative environment empower talented engineers to make significant contributions and see their impact daily. At HRT, you'll be challenged to solve complex problems in a fast-paced, highly competitive industry, surrounded by some of the brightest minds in the field.\nC++ Engineers at HRT work on a wide variety of projects. Examples include: \nDevelop and optimize infrastructure for market data, order entry and execution logic, spanning tens of asset classes including options, equities, futures, crypto, and fixed income. \nDesign fault-tolerant, low-latency systems for live trading, including encoding/prioritization of data over WAN links and recovery from hardware failures.\nProfile and improve performance-critical code for both throughput and latency in production environments.\nBuild and maintain infrastructure that drives products including client-facing wholesale and SDP platforms, distributed network filesystems, and scalable research workflows.\nWrite software that interfaces with specialized hardware such as FPGAs and ASICs used in trading systems.\nProfile\nYou’re one of the top devs in your current organization, as measured by productivity, technical capability, and helpfulness to other devs.\nYou are capable of solving complex engineering problems independently and providing technical advice for others in areas of your expertise. \nYou can make progress on long-term architectural projects while troubleshooting smaller tasks and bug fixes with agility.\nYou can describe software designs at a high level (the abstract interface), low level (step-by-step algorithm), or anywhere in between. \nYou are always looking for ways to make systems better.\nQualifications\n1+ years of professional work experience \nBachelor's degree in Computer Science, Computer Engineering, or related field\nSuperior design, debugging, and problem solving skills\nAdvanced C++ experience is required, daily use preferred\nKnowledge of UNIX operating systems (we use Linux), system/processor performance, and network communication\nThe estimated base salary range for this position is 200,000 to 300,000 USD per year (or local equivalent). The base pay offered may vary depending on multiple individualized factors, including location, job-related knowledge, skills, and experience. This role will also be eligible for discretionary performance-based bonuses and a competitive benefits package.\nCulture\nHudson River Trading (HRT) brings a scientific approach to trading financial products. We have built one of the world's most sophisticated computing environments for research and development. Our researchers are at the forefront of innovation in the world of algorithmic trading.\nAt HRT we welcome a variety of expertise: mathematics and computer science, physics and engineering, media and tech. We’re a community of self-starters who are motivated by the excitement of being at the cutting edge of automation in every part of our organization-from trading, to business operations, to recruiting and beyond. We value openness and transparency, and celebrate great ideas from HRT veterans and new hires alike. At HRT we’re friends and colleagues - whether we are sharing a meal, playing the latest board game, or writing elegant code. We embrace a culture of togetherness that extends far beyond the walls of our office.\nFeel like you belong at HRT? Our goal is to find the best people and bring them together to do great work in a place where everyone is valued. HRT is proud of our diverse staff; we have offices all over the globe and benefit from our varied and unique perspectives. HRT is an equal opportunity employer; so whoever you are we’d love to get to know you.\nPlease be advised: Use of AI tools by an applicant during interviews or assessments is strictly prohibited, unless otherwise instructed or agreed upon. We employ various methods to evaluate the authenticity of candidate responses. If we determine that AI assistance was used by an applicant during an interview or an assessment, we reserve the right to immediately end the interview or assessment, disqualify the applicant’s candidacy and/or rescind any job offers extended.\nYou can review our Global Applicant Privacy Notice, which explains how we process applicant information.","description_format":"text","description_chars":4880,"description_truncated":false,"requirements":{"experience_years_min":1,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Hedge Funds & Alternative Investments"],"lifecycle":[{"event":"open","at":"2026-10-24T08:19:04Z"}],"visa":[{"country":"US","licensed_sponsor":true,"evidence":"H-1B filings in 12 months: 44 · green card filings: 22","filings_12m":44,"filings_prev_12m":30,"green_card_filings_12m":22,"median_offered_wage_usd":194167,"route":null,"cap_exempt":false,"checked_at":"2026-10-15T11:24:14+00:00","sources":["US Department of Labor: LCA disclosure data (H-1B, H-1B1, E-3)","US Department of Labor: PERM disclosure data (green cards)"],"filings_for_role_12m":27}],"liveness":{"score":3,"band":"cold","label":"Long shot","p_open":1,"p_active":0.099,"p_room":0.28,"age_days":349,"expected_fill_days":21,"reasons":["conf:1","stale_co","velocity","ghost","win:tail","crowd:junior"],"computed_at":"2026-10-28T05:59:10Z"},"pay":{"stated_usd_annual":300000,"is_top_pay":true},"html_url":"https://alion.io/job/hudson-river-trading-software-engineer-c","json_url":"https://alion.io/job/hudson-river-trading-software-engineer-c.json","meta":{"generated_at":"2026-10-29T02:01:05Z","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":3095,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-30T00:00:00Z"}},"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":58609},"rest":"https://alion.io/mcp/rest/get_company?id=58609"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fhudson-river-trading-software-engineer-c"},{"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%2Fhudson-river-trading-software-engineer-c"},{"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%2Fhudson-river-trading-software-engineer-c"},{"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/hudson-river-trading-software-engineer-c\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fhudson-river-trading-software-engineer-c"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3200833}},{"tool":"search_jobs","arguments":{"company":"hudsonrivertrading.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3200833},"note":"people open to offers who fit this vacancy"}],"note":"The same data through MCP tools: https://alion.io/mcp/open needs no sign-in (compact searches, postings, people); https://alion.io/mcp with an Alion account has everything. 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