{"id":944046,"url":"https://alion.io/job/old-mission-software-engineer-2027-internship-program-june-start","title":"Software Engineer – 2027 Internship Program (June Start)","company":{"id":678384,"name":"Old Mission","domain":"oldmissioncapital.com","url":"https://alion.io/company/oldmissioncapital","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":{"grade":"B","score":70,"open_postings":26,"ghost_share":0.5,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-10-13T05:45:00Z"}},"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":["Chicago, United States"],"countries":["US"],"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":"C++","optional":false},{"name":"Python","optional":false},{"name":"TypeScript","optional":false}],"status":"live","first_seen_at":"2026-07-15T17:45:13Z","employer_posted_date":"2026-07-15","last_verified_at":"2026-10-13T20:43:59Z","board_verified":true,"closed_at":null,"days_open":90,"trust":{"level":"ok","repost_count":0,"flags":["company_stale"],"days_open":89},"description":"Old Mission is a global proprietary trading firm that leverages state-of-the-art technology and research to identify and execute profitable trading strategies across multiple asset classes around the world. Our offices in Chicago, New York, and London are all composed of naturally-curious individuals who thrive in a team environment and constantly strive for improvement.\nAbout the Position\nOur internship program is geared for current students who want to work alongside our talented software engineers creating impactful solutions to further the firm's market initiatives. We are a smaller firm, which means you'll get to know the people you're working with and they'll get to know you. Responsibilities include supporting the development of C++ based trading applications and tools. You will be given hands-on projects that contribute to the firm's daily activities, giving you real exposure to how our business runs, not just observation. In this role, you'll have the opportunity to learn more about creative programming and the tools needed to support electronic trading. If you're looking to make an immediate contribution this summer and get a firsthand look at building out our business, feel free to apply today!\nWhat you will get to do\nGain exposure to how trading works, from the underlying theory to the systems and tools we build around it\nRegular sessions with senior engineers covering the fundamentals of the systems and tools we use\nGet direct feedback from the engineers you're working alongside, learning in real time\nWork directly with engineers, traders, and other teams on projects that matter to the firm day to day\nRequired Skills\nCurrently pursuing a bachelor's or master's in Computer Science, Computer Engineering, or a similar technical field\nMinimum 3.0 GPA \nA strong work ethic and ability to adapt quickly in a fast-paced environment\nAt least junior standing, with a graduation date of December 2027 or May 2028\nComfortable with one or more of C++, Python or TypeScript\nA solid grasp of computer science fundamentals: data structures, algorithms, systems\nGenuine interest in markets and how software supports them\nAbility to start the internship on June 1, 2027\nNo finance experience is required\nBenefits and Perks\nFully stocked kitchen; free breakfast and lunch every day on-site\nCorporate housing at no cost to you\nAccess to people across the firm - traders, researchers, and engineers\nBase Salary Range \n$150,000 - $200,000 - Salaries are based on numerous factors such as skills, experience, and education. For more information, reach out to your recruiter. \nOld Mission is not accepting unsolicited resumes from any staffing/search firms. All resumes submitted by staffing/search firms to any employee at Old Mission via-email, the Internet or directly without a valid signed search agreement will be deemed the sole property of Old Mission, and no fee will be paid in the event the candidate is hired by Old Mission.","description_format":"text","description_chars":2956,"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":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Hedge Funds & Alternative Investments"],"lifecycle":[{"event":"open","at":"2026-09-15T19:46:41Z"}],"visa":[{"country":"US","licensed_sponsor":true,"evidence":"H-1B filings in 12 months: 3 · green card filings: 3","filings_12m":3,"filings_prev_12m":6,"green_card_filings_12m":3,"median_offered_wage_usd":177500,"route":null,"cap_exempt":false,"checked_at":"2026-10-03T21:08:04+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":3}],"liveness":{"score":5,"band":"cold","label":"Long shot","p_open":1,"p_active":0.169,"p_room":0.28,"age_days":89,"expected_fill_days":22,"reasons":["conf:0","stale_co","win:tail","crowd:junior"],"computed_at":"2026-10-13T05:45:00Z"},"pay":null,"html_url":"https://alion.io/job/old-mission-software-engineer-2027-internship-program-june-start","json_url":"https://alion.io/job/old-mission-software-engineer-2027-internship-program-june-start.json","meta":{"generated_at":"2026-10-13T23:18:42Z","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":35443,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-14T00:00:00Z"}},"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":678384},"rest":"https://alion.io/mcp/rest/get_company?id=678384"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fold-mission-software-engineer-2027-internship-program-june-start"},{"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%2Fold-mission-software-engineer-2027-internship-program-june-start"},{"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%2Fold-mission-software-engineer-2027-internship-program-june-start"},{"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/old-mission-software-engineer-2027-internship-program-june-start\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fold-mission-software-engineer-2027-internship-program-june-start"}]}