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C++ Developer - Exchange Feeds

Job

USA016 Refinitiv US LLC

Creve Coeur, MO (In Person)

Full-Time

Posted 2 weeks ago (Updated 1 week ago) • Actively hiring

Expires 7/12/2026

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Job Description

We have an immediate opening for a low-latency C++ developer. We're building the next generation of capital markets technology. Global capital markets are an ocean of fast-moving, interrelated and complex data. We are looking for passionate and enthusiastic problem-solvers with expertise in capital markets data to join us as we continue providing technology innovation and support to the world's leading global capital markets companies. Current strategic pursuits In this role, you will be part of a talented and open-minded software team that works on mission-critical applications within capital markets technology. You will have the opportunity to contribute to all phases of the development lifecycle
  • from suggesting the use of emerging technologies to designing, integrating, and upgrading complex architecture.
We're looking for outstanding C++ developers interested in employing the latest features of C++ to increase our platform's functionality across asset classes, data sets, and business verticals. Developers on our team have the rare opportunity to work on challenging and important problems as they transform high-quality raw data into actionable insight. Duties include 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 Level 3 support
  • analyze and solve complex problems, proactively work to enhance our 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 (top-line CPUs, NVME, Solarflare, ExaNIC) Research
  • Explore and implement new advanced C++ features and frameworks Work qualifications 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 Superb 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 like,
ASan, MSan, UBSan, TSan Career Stage:
Senior Associate London Stock Exchange Group (LSEG)
Information:
Join us and be part of a team that values innovation, quality, and continuous improvement. If you're ready to take your career to the next level and make a significant impact, we'd love to hear from you. LSEG is a leading global financial markets infrastructure and data provider. Our purpose is driving financial stability, empowering economies and enabling customers to create sustainable growth. Our purpose is the foundation on which our culture is built. Our values of Integrity, Partnership, Excellence and Change underpin our purpose and set the standard for everything we do, every day. They go to the heart of who we are and guide our decision making and everyday actions. Working with us means that you will be part of a dynamic organisation of 25,000 people across 65 countries. However, we will value your individuality and enable you to bring your true self to work so you can help enrich our diverse workforce. We are proud to be an equal opportunities employer. This means that we do not discriminate on the basis of anyone's 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. Conforming with applicable law, we can reasonably accommodate applicants' and employees' religious practices and beliefs, as well as mental health or physical disability needs. You will be part of a collaborative and creative culture where we encourage new ideas. We are committed to sustainability across our global business and we are proud to partner with our customers to help them meet their sustainability objectives. Our charity, the LSEG Foundation provides charitable grants to community groups that help people access economic opportunities and build a secure future with financial independence. Colleagues can get involved through fundraising and volunteering. LSEG offers a range of tailored benefits and support, including healthcare, retirement planning, paid volunteering days and wellbeing initiatives. Please take a moment to read this privacy notice carefully, as it describes what personal information London Stock Exchange Group (LSEG) (we) may hold about you, what it's used for, and how it's obtained, your rights and how to contact us as a data subject. If you are submitting as a Recruitment Agency Partner, it is essential and your responsibility to ensure that candidates applying to LSEG are aware of this privacy notice. If you want to apply for a job, please click the Apply button. You will then be redirected to our Careers sign-in page where you can enter your existing credentials or set up an account with us. If there is nothing that currently suits you, feel free to send us your Resume/CV LSEG (London Stock Exchange Group) is a leading global financial markets infrastructure and data provider. Our purpose is driving financial stability, empowering economies and enabling customers to create sustainable growth. Our culture of connecting, creating opportunity and delivering excellence shapes how we think, how we do things and how we help our people fulfil their potential. Our Data & Analytics, Capital Markets and Post Trade divisions have a combined power that provides a comprehensive, integrated suite of trusted financial market infrastructure services to help our customers pursue their ambitions. Explore our divisions LSEG is headquartered in the United Kingdom, with significant operations in 70 countries across Europe, the Middle East, Africa, North America, Latin America and Asia Pacific. Find out more Get to know some of our people who are pushing the boundaries of technology, finance and more around the world.