{"id":2312548,"url":"https://alion.io/job/schonfeld-2027-quantitative-c-developer-intern","title":"2027 Quantitative C++ Developer Intern","company":{"id":688324,"name":"Schonfeld","domain":"schonfeld.com","url":"https://alion.io/company/schonfeld","size_band":"501-1000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":{"grade":"B","score":75,"open_postings":29,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-10-12T06:55:09Z"}},"role":"Backend","role_family":"Backend","seniority":"intern","employment_type":"internship","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Hong Kong"],"countries":["HK"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AI Agents","optional":false},{"name":"C++","optional":false},{"name":"Linux","optional":false},{"name":"LLM","optional":false},{"name":"Python","optional":false},{"name":"STL","optional":false}],"status":"live","first_seen_at":"2026-09-29T14:30:14Z","employer_posted_date":"2026-09-30","last_verified_at":"2026-10-12T18:08:30Z","board_verified":true,"closed_at":null,"days_open":13,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":13},"description":"The Role \nWe are seeking a Quantitative C++ Developer Intern to join our team and contribute to the high-performance systems that power our trading strategies, market data processing and research infrastructure. The role will suit someone with strong competitive programming instincts, solid C++ fundamentals, and genuine curiosity about applying agentic AI tools to real-world quantitative workflows. The internship will be 3-6 months, including the summer. \nWhat You’ll Do \nDevelop and optimize low-latency trading systems, market data engines and strategy back testing frameworks. \nImplementing the high-performance data structures and algorithms that underpin core modules. \nExplore and integrate agentic AI and LLM tools to support strategy research, code generation and research workflows. \nCollaborate with quantitative researchers and traders to translate strategy logic into efficient, robust code. \nWrite clear technical documentation and help build reusable components and tooling. \nWhat You’ll Bring \nPursuing a Bachelor's or Master's degree in Computer Science or a related field. \nA strong foundation in C++ (C++17 or later), including the STL, memory management and template programming. \nA solid grasp of data structures and algorithms and the ability to analyze time and space complexity. \nComfortable working in a Linux development environment. \nHands-on experience with agentic AI and LLM applications. \nStrongly Preferred \nCompetitive programming achievements or strong contest rankings - ICPC, CCPC, Codeforces (2000+ or equivalent), USACO, NOI/NOIP or similar. \nPrior experience on quantitative projects such as strategy backtesting, high-frequency trading systems or market data engines. \nFamiliarity with multithreading and concurrency, lock-free data structures, or network programming (TCP/UDP, multicast market data). \nProficiency in Python for rapid prototyping, data analysis and integration with C++ modules. \nA record of open-source contribution. \n\nWhat We Offer \nOne-on-one mentorship from senior quantitative engineers and researchers. \nExposure to production-grade trading systems and modern AI tooling. \nCompetitive compensation and path to a full-time role. \n\nOur Internship \nKick-start your career in finance with the Schonfeld Internship!Over the course of 3-6 action-packed months, you will have the opportunity to build solutions that tackle real-world challenges and leave a lasting impact on the firm. As an intern, you’ll join a close-knit team that is ready to support your growth and accelerate your career. We will pair you with a dedicated manager and a mentor who’ll guide your development over the course of the internship and beyond.Throughout the program, you will have the chance to connect with senior leaders through a series of learning sessions, attend hands-on skills workshops, network at social events and get a behind-the-scenes look at how various functions power the firm. We’ll empower you to bring your ideas to life and make an impact. \nWho We Are \nSchonfeld is a global multi-manager hedge fund that strives to deliver industry-leading risk-adjusted returns for our investors. We leverage both internal and external portfolio manager teams around the world, seeking to capitalize on inefficiencies and opportunities within the markets. We draw from decades of experience and a significant investment in proprietary technology, infrastructure and risk analytics to invest across four main strategies: Quant, Tactical, Fundamental Equity and Discretionary Macro & Fixed Income. \nOur Culture \nAt Schonfeld, we’ll invest in you. Attracting and retaining top talent is at the heart of what we do, because we believe that exceptional outcomes begin with exceptional people. We foster a culture where talent is empowered to continually learn, innovate and pursue ambitious goals. We are teamwork-oriented, collaborative and encourage ideas-at all levels-to be shared. As an organization committed to investing in our people, we provide learning and educational offerings and opportunities to make an impact. We encourage community through internal networks, external partnerships and service initiatives that promote inclusion and purpose beyond the firm’s walls. \n__PRESENT","description_format":"text","description_chars":4233,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[]},"benefits":["Equity"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Asset Management & Funds","Hedge Funds & Alternative Investments"],"lifecycle":[{"event":"open","at":"2026-10-12T02:14:02Z"}],"visa":[],"liveness":{"score":52,"band":"ok","label":"Likely open","p_open":1,"p_active":0.574,"p_room":0.9,"age_days":12,"expected_fill_days":23,"reasons":["conf:1","stale_co","win:mid","comp:junior"],"computed_at":"2026-10-12T06:55:09Z"},"pay":null,"html_url":"https://alion.io/job/schonfeld-2027-quantitative-c-developer-intern","json_url":"https://alion.io/job/schonfeld-2027-quantitative-c-developer-intern.json","meta":{"generated_at":"2026-10-12T19:02:37Z","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":30678,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-13T00:00:00Z"}},"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":688324},"rest":"https://alion.io/mcp/rest/get_company?id=688324"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fschonfeld-2027-quantitative-c-developer-intern"},{"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%2Fschonfeld-2027-quantitative-c-developer-intern"},{"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%2Fschonfeld-2027-quantitative-c-developer-intern"},{"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/schonfeld-2027-quantitative-c-developer-intern\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fschonfeld-2027-quantitative-c-developer-intern"}]}