Java Developer - FX Matching Applications

London Stock Exchange Group; Greater London; Hybrid; GBP 90,000 - 120,000; Full time

Benefits offered by this job

Healthcare

Retirement planning

Volunteer days

Wellbeing initiatives

Job summary

London Stock Exchange Group (LSEG) is seeking a Senior Java Developer to join the FX Matching Applications team in London. You will develop and improve backend services supporting FX trading, focusing on reliability, performance, and scalability.

You will collaborate with engineers, product partners, and operations, taking ownership of features from development to production while contributing to testing, code reviews, and continuous improvement efforts.

Qualifications

• Experience developing backend systems in a professional environment.
• Experience working with Java and backend architectures.
• Understanding of performance, scalability and concurrency.
• Familiarity with Git and CI/CD pipelines in product teams.
• Comfortable working in a Linux environment.

Responsibilities

• Build and enhance backend applications using Java.
• Design solutions that improve reliability and scalability.
• Contribute to performance improvements and stability.
• Take ownership of features from development through production.
• Collaborate with engineers, product and operations, and mentor teammates.
• Investigate production issues and support continuous delivery.

Skills

Java backend development

Concurrency

Linux

Git

CI/CD pipelines

Mentoring

Trading systems familiarity

Tools

Git

CI/CD pipelines

Linux

Job description

## Java Developer - FX Matching ApplicationsApplylocations: London, United Kingdomtime type: Full timeposted on: Posted Todayjob requisition id: R0121172**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:**We’re looking for a Senior Java Developer to join our team. You’ll help develop and improve systems that support FX trading. Your work will play a meaningful role in delivering reliable and efficient trading experiences. You’ll focus on making our applications faster, more stable, and easier to scale.You’ll work closely with engineers, product partners, and operations in a collaborative environment. You’ll also have the opportunity to contribute ideas and help shape how we design and build our systems.**WHAT YOU'LL BE DOING:**Core Application Development* Build and enhance backend applications using Java* Design solutions that improve system reliability and scalability* Contribute to improving performance and overall system stability* Take ownership of features from development through to productionCollaboration & Support* Work with teammates across engineering, product, and operations* Contribute to team activities such as planning, code reviews, and mentoring/coaching team members* Investigate production issues and work on continuous improvement effortsProcess & Quality Assurance* Help improve how the team builds and delivers software* Write automated tests and support continuous delivery practices* Follow secure coding standards and support compliance requirements**WHAT YOU'LL BRING:*** Experience developing backend systems in a professional environment* Experience working with Java* Understanding of system performance and concurrency* Familiarity with development tools such as Git and CI/CD pipelines* Comfortable working in a Linux environmentNice To Have:* Experience in trading or financial systems* Familiarity with messaging protocols (e.g. FIX)Personal Sills and Capabilities:* You enjoy solving problems and learning new things* You communicate clearly and work well with others* You take ownership of your work and follow through* You are comfortable working both independently and as part of a team# **Career Stage:**Senior Associate**London Stock Exchange Group (LSEG) Information:**Join us and be part of a team that values innovation, quality, and continuous improvement. If you're ready to take your career to the next level and make a significant impact, we'd love to hear from you.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. They go to the heart of who we are and guide our decision making and everyday actions.Working with us means that you will be part of a dynamic organisation of 25,000 people across 65 countries. However, we will value your individuality and enable you to bring your true self to work so you can help enrich our diverse workforce.We are proud to be an equal opportunities employer. This means that we do not discriminate on the basis of anyone’s 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. Conforming with applicable law, we can reasonably accommodate applicants' and employees' religious practices and beliefs, as well as mental health or physical disability needs.You will be part of a collaborative and creative culture where we encourage new ideas. We are committed to sustainability across our global business and we are proud to partner with our customers to help them meet their sustainability objectives. Our charity, the LSEG Foundation provides charitable 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.LSEG offers a range of tailored benefits and support, including healthcare, retirement planning, paid volunteering days and wellbeing initiatives.Please take a moment to read this privacy notice carefully, as it describes what personal information London Stock Exchange Group (LSEG) (we) may hold about you, what it’s used for, and how it’s obtained, your rights and how to contact us as a data subject.If you are submitting as a Recruitment Agency Partner, it is essential and your responsibility to ensure that candidates applying to LSEG are aware of this privacy notice.