Senior C++​/Java Developer

Position: Senior C++ / Java Developer
Location: Greater London

## Senior C++ / Java Developer Apply locations:
London, United Kingdom time type:
Full time posted on:
Posted 3 Days Agojob requisition :
R0119302
*
* ABOUT US:

** LSEG (London Stock Exchange Group) is more than a diversified global financial markets infrastructure and data business. 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 embrace 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.
** ROLE

SUMMARY:

** This is an individual contributor role responsible for the design, development, and delivery of high‐quality software solutions using C++ and Java within a defined product, platform, or client solution area. The role emphasizes hands‐on engineering, strong ownership of medium‐to‐large technical components, and adherence to established architectural and engineering standards.

The engineer collaborates closely with senior engineers, architects, product managers, and delivery teams to implement technical changes that improve business and client outcomes. While not an architect or people manager, the role requires strong technical judgment, mentoring of junior engineers, and meaningful contribution to solution design and delivery excellence.
** WHAT YOU'LL BE DOING:
*** Design, develop, and maintain C++ and Java applications and services, delivering robust, performant, and maintainable solutions.
* Implement technical changes and enhancements that improve platform stability, scalability, and client outcomes.
* Collaborate with product owners, business partners, and senior engineers to translate functional and non‐functional requirements into effective technical designs.
* Build solution‐level extensions and component enhancements in line with LSEG architectural principles, coding standards, and approved design patterns.
* Escalate architectural concerns, complex design decisions, or material technical risks to senior engineers or architects as appropriate.
* Take technical ownership of one or more key components, services, or subsystems, ensuring high code quality, strong test coverage, and operational readiness.
* Contribute to solution and component design, ensuring codebases are maintainable, extensible, and well‐documented across both C++ and…