C++ Developer - Exchange Feeds

We have an immediate opening for a low‑latency C++ developer. We’re building the next generation of capital markets technology. This role involves working on mission‑critical applications within capital markets technology, contributing to all phases of the development lifecycle, and employing the latest features of C++ to increase our platform’s functionality across asset classes, data sets, and business verticals.

• Develop – Write extremely high‑quality, reusable, and reliable C++ code.
• Problem solve – Use code to solve challenging problems that affect a wide range of capital markets players.
• Collaborate – Interact with adjacent business functions including sales, product development, and client support.
• Level3 support – Analyze and solve complex problems, proactively enhance support functionality and client service experience; occasional technical conversation with customers.
• Exchange specialist – Research and comprehend exchange rules and formats for both public market data and order entry systems.
• New technology – Work with state‑of‑the‑art hardware such as top‑line CPUs, NVMe, Solarflare, ExaNIC.
• Research – Explore and implement new advanced C++ features and frameworks.

• Excellent C++ skills, including hands‑on experience with C++17 or later and familiarity with ‘Concepts’ from C++20.
• Significant experience with C++ in a Linux environment.
• Strong work ethic and a commitment to seeing tasks through.
• Excellent problem‑solving skills.
• Fluent in English communication.
• Nice to have:
  Some Java/JNI & Python experience.
• Experience with low‑latency market data feeds.
• Experience with Kernel Bypass technologies.
• Knowledge of network protocols and familiarity with tools like tcpdump and Wireshark.
• Experience with sanitizers such as ASan, MSan, UBSan, TSan.

LSEG offers a range of tailored benefits and support, including healthcare, retirement planning, paid volunteering days, and wellbeing initiatives.

LSEG is a proud equal‑opportunity employer. We do not discriminate on the basis of race, religion, colour, national origin, gender, sexual orientation, gender identity, gender expression, age, marital status, veteran status, pregnancy or disability or any other basis protected under applicable law. We can accommodate religious practices and beliefs, mental health or physical disability needs.