{"id":2599355,"url":"https://alion.io/job/qube-research-technologies-c-software-engineer-core-trading-technology","title":"C++ Software Engineer - Core Trading Technology","company":{"id":706156,"name":"Qube Research & Technologies","domain":"qube-rt.com","url":"https://alion.io/company/qube-research-and-technologies","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":null},"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":["Chicago, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":150000,"max":220000,"currency":"USD","period":"year","gross":null,"usd_annual":220000},"salary_estimate":null,"experience_years_min":2,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Bash","optional":false},{"name":"C++","optional":false},{"name":"CI/CD","optional":false},{"name":"Linux","optional":false},{"name":"Python","optional":false},{"name":"Tcpdump","optional":false},{"name":"Wireshark","optional":false}],"status":"live","first_seen_at":"2026-09-07T14:59:29Z","employer_posted_date":"2026-09-07","last_verified_at":"2026-10-15T07:54:31Z","board_verified":true,"closed_at":null,"days_open":37,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":37},"description":"Qube Research & Technologies (QRT) is a global quantitative and systematic investment manager, operating in all liquid asset classes across the world. We are a technology- and data-driven group implementing a scientific approach to investing. Combining data, research, technology, and trading expertise has shaped our collaborative mindset, which enables us to solve the most complex challenges. QRT’s culture of innovation continuously drives our ambition to deliver high-quality returns for our investors.\nYou will join the Core Trading Platform team, which is responsible for the design and operation of QRT’s global electronic trading infrastructure. This team builds and maintains the ultra-low latency systems that underpin real-time trading, managing performance-critical workflows across global markets. You will work closely with developers, traders, and operations to optimise system behaviour, reduce latency, and ensure platform reliability at scale.\nYour future role within QRT\nDesign and implement low-latency trading systems on Linux, focused on throughput, reliability, and determinism\nEngineer scalable, high-performance distributed systems that support global real-time trading workflows\nAnalyse system behaviour using low-level tools such as packet captures, core dumps, and runtime profilers\nApply deep expertise in TCP, UDP, and multicast to understanding trade-offs in short-haul vs long-haul networks\nContinuously profile, benchmark, and optimise code to reduce latency and increase throughput\nEngage across the full software lifecycle: from architecture to debugging in live trading environments\nYour present skillset\n2+ years of professional C++/C development experience on Linux, including modern C++ and multithreading\nStrong expertise in TCP, UDP, multicast, and performance trade-offs in low-latency networks\nExperience building and operating high-throughput distributed systems in production\nFamiliarity with scalable I/O models (e.g., epoll, io_uring), lock-free structures, and concurrent programming\nDeep attention to detail with a rigorous approach to performance troubleshooting and optimisation\nProficiency in system-level tools (e.g., gdb, perf, tcpdump, valgrind, wireshark)\nComfortable working autonomously and taking ownership from problem to solution\nScripting experience (e.g., Python, Bash) and exposure to CI/CD or observability tooling is a plus\nPrior exposure to electronic trading or exchange-facing systems is advantageous\nBase salary range for this position is $150,000 to $220,000 per year. \nQRT Total Compensation includes discretionary performance-based bonuses and a competitive benefits 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