Location
London

Hours
Full Time

Salary
Negotiable

About the Role
Join London Stock Exchange Group (LSEG), a leading global financial markets infrastructure and data provider, as a Senior Java Developer focused on FX trading systems. You will develop and enhance backend applications that support FX trading, improving system reliability, scalability, and performance. Working collaboratively with engineers, product partners, and operations, you will take ownership of features from development through to production, contribute to code reviews, mentoring, and continuous improvement efforts. This role offers the opportunity to influence system design and build robust, efficient trading applications in a dynamic environment.

About Us
LSEG is a diversified global financial markets infrastructure and data business with over 300 years of history. We operate in 70 countries with 25,000 employees worldwide. Our open-access model and comprehensive suite of services enable businesses and economies to fund innovation, manage risk, and create jobs. We are committed to fostering an inclusive culture that encourages growth, diversity, and innovation, providing meaningful career opportunities for our people.

Our Culture
At LSEG, people are at the heart of our success. We embrace diversity and teamwork, encouraging innovation and rapid development of impactful solutions. We support personal growth through various avenues and foster an environment where everyone can fulfil their potential. We are proud to be an equal opportunities employer, committed to accommodating diverse needs and creating a workplace where everyone can bring their true self to work.

Benefits
LSEG offers a range of tailored benefits including healthcare, retirement planning, paid volunteering days, wellbeing initiatives, and opportunities to engage with our charitable foundation. We are dedicated to sustainability and supporting our communities globally.

Experience
- Professional experience developing backend systems using Java
- Understanding of system performance and concurrency
- Familiarity with development tools such as Git and CI/CD pipelines
- Comfortable working in a Linux environment

About You
- Enjoy solving problems and learning new technologies
- Strong communication skills and ability to work collaboratively
- Take ownership of your work and follow through to completion
- Comfortable working independently and as part of a team

Nice to Have
- Experience in trading or financial systems
- Familiarity with messaging protocols such as FIX