C++ Software Engineer

LSEG offers essential platforms, financial data services and trading venues for various clients such as businesses, governments, and investors around the globe.

The real‑time market data, indices, analytics, and news services LSEG supplies allow traders and investors to understand market conditions and trends. We deliver the infrastructure, data, and analytics that market participants rely on to make confident, informed investment decisions.

LSEG is dedicated to empowering economies and enabling sustainable growth by incorporating environmental, social, and governance (ESG) factors into its operations and offerings.

Within LSEG's Data and Analytics division, the Real‑Time Distribution Development team plays a vital role in supporting LSEG's financial data distribution and fanout components. We design, implement, and continuously improve complex, low‑latency, high‑throughput software that makes LSEG financial data distribution reliable, scalable, and geographically resilient. Whether you are passionate about our consistently modernised on‑prem enterprise solutions or tackling challenges on cloud applications in AWS and Azure, we have a place for you.

• Design software modules and implement them in C++, performing unit, integration, and performance testing.
• Write software packaging and configuration management scripts.
• Participate in code and design reviews.
• Contribute to product and internal documentation, including technical specifications, software documentation, and unit test plans.
• Assist in resolving field problems as needed.
• Partner with Quality Assurance to ensure high‑quality software, writing Robot Framework test cases using Python‑based keywords.

• 3+ years of computer software development experience.
• Experience developing in C++ and/or other object‑oriented programming languages in a multi‑threaded environment and real‑time streaming applications.
• Strong working experience and troubleshooting skills in Linux.
• Familiarity with network programming and strong knowledge of networking concepts and protocols (TCP/IP, UDP, multicast).
• Strong written and verbal communication skills.
• Experience with cloud technology (AWS/Azure) is a plus.
• Experience with Java multithreaded programming is a plus.

Senior Associate

We are committed to offering competitive compensation and benefits. The anticipated base salary for this position is $95,700 - $159,700. Base salary ranges may vary by geographic location. In addition to the base salary, this role is eligible for our Annual Incentive Plan (AIP). LSEG benefits include an annual wellness allowance, paid time‑off, medical, dental, vision, flexible spending & health savings options, prescription drug plan, 401(k) savings plan with company match, basic life insurance, disability benefits, emergency backup dependent care, adoption assistance, and commuter assistance.

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 values of Integrity
, Partnership
, Excellence and Change underpin our mission.

We are proud to be an 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 will accommodate religious practices and beliefs, as well as mental health or physical disability needs.

We are committed to sustainability across our global business. Our charity, the LSEG Foundation, provides 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.

We treat your personal information with care. For more details on how we use, keep, and protect your data, please read our privacy statement.