Software Development Engineer - C++

## About Us LSEG (London Stock Exchange Group) is a diversified global financial markets infrastructure and data business. We are dedicated, open-access partners with a commitment to excellence in delivering the services our customers expect from us. With extensive experience, deep knowledge and worldwide presence across financial markets, we enable businesses and economies around the world to fund innovation, handle risk and create jobs. It's how we've contributed to supporting the financial stability and growth of communities and economies globally for more than 300 years. Through a comprehensive suite of trusted financial market infrastructure services - and our open-access model - we provide the flexibility, stability and trust that enable our customers to pursue their ambitions with confidence and clarity. LSEG is headquartered in the United Kingdom, with significant operations in 70 countries across EMEA, North America, Latin America and Asia Pacific. We employ 25,000 people globally, more than half located in Asia Pacific. LSEG's ticker symbol is LSEG. ## Role Summary As a Senior Software Engineer, you will contribute to the development of high-performance, real-time applications that process some of the world's most critical financial data. Our systems ingest information from global exchanges and deliver normalized, consistent market data to clients within milliseconds. You will work primarily in C++ within a Linux-focused environment, collaborating with expert engineers while continuing to strengthen your skills in performance engineering, market data systems, and AI-enhanced development workflows. ## Responsibilities - Design, develop, and maintain clean, efficient, and well-structured applications. - Use AI-assisted tools to support development tasks such as code generation, analysis, testing, and troubleshooting. - Participate in code reviews to ensure code quality and consistency across the team. - Develop and maintain robust unit tests and integration tests to support application quality and resilience. - Collaborate with senior engineers and architects on design and implementation of features. - Assist in integrating software into test and production environments by teaming with QA and Operations teams. - Investigate and debug issues across development and test environments, including multi-threaded scenarios. - Contribute to planning, refinement, and design discussions for new features and improvements. - Work closely with teammates, Technical Architects, and Product Owners to implement solutions aligned to functional requirements. - Communicate progress and technical details clearly within the team and to stakeholders. - Responsibility of work you're doing while proactively seeking clarification or mentorship when needed. - Expand your technical skillset through hands-on experience, training, and certifications. - Establish understanding of system dependencies and broader business workflows over time. ## Requirements - Bachelor's degree in Computer Science, Engineering, or equivalent experience. - Strong programming experience with C++ and object-oriented development. - Experience working within Linux development environments. - Understanding of the full software development lifecycle. - Strong problem-solving and analytical abilities. - Familiarity with debugging tools and test-driven development. - Ability to learn new technologies quickly and apply them optimally. - Strong written and verbal communication skills. ## Nice to Have - Experience with scripting languages such as Python, Bash, or PowerShell. - Exposure to Agile development methodologies. - Knowledge of automated testing frameworks. - Understanding of multi-threaded programming concepts. - Experience with containerized development and deployment (Docker, Kubernetes). - Experience with Rust programming language or interest in learning Rust for development. - Experience with or curiosity about: Real-time or low-latency systems, Market data feeds or financial technology. - Familiarity with using AI tools in the software development lifecycle. ## Benefits - Experience building high-throughput, low-latency systems at global scale. - Access to mentorship from experts. - An inclusive, collaborative engineering culture focused on learning and continuous improvement. - Opportunities to deepen your expertise in C++, Linux, real-time systems, and AI-assisted engineering. 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.