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. 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. Develop – Write extremely high-quality, reusable, and reliable C++ code 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 Research – Explore and implement new advanced C++ features and frameworks Excellent C++ skills,



including hands on experience with C++20 or later Extensive experience with C++ in a Linux environment Superb English communication Experience with market data capture Knowledge of network protocols and familiarity with tools like tcpdump and Wireshark Career Stage: Manager London Stock Exchange Group (LSEG) Information: Join us and be part of a team that values innovation, quality, and continuous improvement. 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. However, we will value your individuality and enable you to bring your true self to work so you can help enrich our diverse workforce. 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 current 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. 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. 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.

📌 C++ Developer (IT) (Toronto)
🏢 London Stock Exchange Group
📍 Toronto