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Senior Software Engineer; C​/C++

Job in Greater London, London, Greater London, W1B, England, UK
Listing for: London Stock Exchange Group
Full Time position
Listed on 2026-06-14
Job specializations:
  • Software Development
    Software Engineer
Salary/Wage Range or Industry Benchmark: 80000 - 100000 GBP Yearly GBP 80000.00 100000.00 YEAR
Job Description & How to Apply Below
Position: Senior Software Engineer (C/C++)
Location: Greater London

About us:

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 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.

We are dedicated, open-access partners with a dedication 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, manage 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.Our people:

People are at the heart of what we do and drive the success of our business. Our culture of connecting, creating opportunity and delivering excellence shape how we think, how we do things and how we help our people fulfil their potential. We adopt diversity and actively seek to attract individuals with unique backgrounds and perspectives. We break down barriers and encourage teamwork, enabling innovation and rapid development of solutions that make a difference.

Our workplace generates an enriching and rewarding experience for our people and customers alike. Our vision is to build an inclusive culture in which everyone feels encouraged to fulfil their potential.

We know that real personal growth cannot be achieved by simply climbing a career ladder – which is why we encourage and enable a wealth of avenues and interesting opportunities for everyone to broaden and deepen their skills and expertise. As a global organisation spanning 70 countries and one rooted in a culture of growth, opportunity, diversity and innovation, LSEG is a place where everyone can grow, develop and fulfil your potential with meaningful careers.

Job Summary:

We are seeking a Senior Software Engineer for LSEG’s Elektron Real Time Data Distribution System in the Real Time Core team. The successful candidate will combine strong technical and collaboration skills in a demanding and dynamic environment. You will work directly with your team and with groups across the organisation to ensure the best service for our client base.

You will be a member of a multi-skilled team building and maintaining components for our market leading Elektron system. We strive for our engineers to work within agile teams that emphasize standard process and believe quality is everyone’s responsibility. They bring an enthusiastic attitude whilst making sure they share their knowledge while removing constraints.

Key Responsibilities:

Engaging with the product owner, team lead, architects and other members of the global team you'll help build world-class solutions to address our customer needs.

Demonstrating a consistent focus on quality and security, you'll deliver reliable, and robust solutions.

Manages own workload and promotes an inclusive and open culture.

Takes initiative to develop knowledge in technology products and tools through on the job learning, certifications and projects.

Actively participating in Scrum meetings, you'll give timely status updates to the Team Lead and/or Scum Master on areas for which you are responsible.

Through agile retrospectives and reviews, you'll analyse and adapt, finding innovative ways to enable your team work more effectively delivering on time to defined standards…
Position Requirements
10+ Years work experience
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