{"schemaVersion":"jobsearcher.job.v1","id":"efe7a268625df1fa472cca2f","url":"https://jobsearcher.com/jobs/efe7a268625df1fa472cca2f","canonicalUrl":"https://jobsearcher.com/jobs/efe7a268625df1fa472cca2f","title":"Python Software Engineer — Trading Systems Innovator","description":"Old Mission, a global proprietary trading firm with offices in Chicago, New York, and London, seeks a Software Engineer specializing in Python. You will own and advance cutting‑edge trading systems and mission‑critical applications, working closely with quants, traders, and research teams to improve adaptability and scalability.\r\nYou will leverage a strong Python background on Linux, collaborate across disciplines, and contribute to innovative trading applications in a fast‑paced environment.#J-18808-Ljbffr","company":"Old Mission","rawCompany":"old mission","city":"Chicago","state":"IL","isRemote":false,"isActive":false,"createdAt":"2026-11-04T02:02:51.967Z","occupations":[{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"},{"code":"15-1299.08","title":"Computer Systems Engineers/Architects","slug":"computer-systems-engineers-architects"},{"code":"15-1251.00","title":"Computer Programmers","slug":"computer-programmers"}],"industries":[{"code":"513210","title":"Software Publishers","slug":"software-publishers"},{"code":"541511","title":"Custom Computer Programming Services","slug":"custom-computer-programming-services"},{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Python Software Engineer — Trading Systems Innovator","description":"Old Mission, a global proprietary trading firm with offices in Chicago, New York, and London, seeks a Software Engineer specializing in Python. You will own and advance cutting‑edge trading systems and mission‑critical applications, working closely with quants, traders, and research teams to improve adaptability and scalability.\r\nYou will leverage a strong Python background on Linux, collaborate across disciplines, and contribute to innovative trading applications in a fast‑paced environment.#J-18808-Ljbffr","datePosted":"2026-11-04T02:02:51.967Z","dateModified":"2026-11-04T02:02:51.967Z","hiringOrganization":{"@type":"Organization","name":"Old Mission","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Chicago","addressRegion":"IL","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"efe7a268625df1fa472cca2f"},"url":"https://jobsearcher.com/jobs/efe7a268625df1fa472cca2f"}}