Senior Java Developer

London Stock Exchange Group; City of Westminster; On-site; GBP 70,000 - 90,000; Full time

Job summary

A leading financial markets infrastructure provider is seeking a Senior Developer to join their IT Development team in London. Candidates should have extensive experience in server-side Java development and strong SQL skills. The role involves project delivery, system enhancements, and support for critical systems, with opportunities for professional growth. The company promotes innovation and offers significant benefits, along with a commitment to diversity and sustainability.

Benefits

Healthcare

Retirement planning

Paid volunteering days

Qualifications

• 5+ years of experience in server-side Java development (JDK 17 mandatory).
• Strong knowledge of relational databases, SQL, stored procedures (PostgreSQL preferred).
• Experience with test-driven development.

Responsibilities

• Provide thorough analysis, design & development.
• Ensure timely delivery of developments.
• Communicate effectively with business areas and technology teams.

Skills

Java development

SQL

Cucumber

test automation

FPML/XML

Spring Boot

Git

Education

Computer Science degree

Tools

PostgreSQL

AWS

Terraform

Ansible

Job description

About SwapAgent

SwapAgent is an LSEG service designed to simplify the processing, margining and settlement of non‑cleared derivatives. It benefits from LCH's expertise in serving and managing risk for the cleared Rates and FX derivatives market, providing market participants with solutions that materially improve standardisation, efficiency and simplicity in the non‑cleared derivatives market.

The Role

We are looking for a Senior Developer to join the SwapAgent IT Development team based in London. The candidate must hold a Computer Science oriented degree and have proven Java development skills. They will work on the delivery of projects, carry out enhancements and provide support on a highly critical system, including occasional on‑night support.

Responsibilities

• Think through requirements and provide thorough analysis, design & development.
• Ensure timely delivery of developments to a high standard and quality.
• Provide support to internal teams where necessary to promote successful production changes.
• Create and maintain good documentation.
• Communicate effectively with business areas and other technology teams.

Qualifications

• 5+ years proven experience in server‑side Java development (JDK 17 mandatory).
• Strong knowledge of relational databases, SQL, stored procedures (PostgreSQL preferred).
• Experience with Cucumber, test automation, and test‑driven development.
• Familiarity with FPML/XML, JAXB.
• Good knowledge of JMS over MQ, Java 11, Spring Boot, Camel, Linux, Git, Jenkins.
• Experience with provisioning and build tools; awareness of automated testing and unit tests.

Desirable Skills

• PostgreSQL stored procedures, partitions, data types, and query tuning.
• Experience developing with AWS, Terraform & Ansible.
• Typescript/AngularJS.

Career Stage

Manager

Information

Join us and be part of a team that values innovation, quality, and continuous improvement. LSEG is a leading global financial markets infrastructure and data provider with a purpose of driving financial stability, empowering economies, and enabling customers to create sustainable growth. Our values of Integrity, Partnership, Excellence and Change underpin our purpose and guide our everyday actions. Working with us means you will be part of a dynamic organisation of 25,000 people across 65 countries. We value individuality and encourage you to bring your true self to work.

We are proud to be an equal opportunities employer. We do not discriminate on the basis of race, religion, colour, national origin, gender, sexual orientation, gender identity or expression, age, marital status, veteran status, pregnancy, disability, or any other protected basis under applicable law. We can reasonably accommodate applicants’ and employees’ religious practices and mental or physical disability needs.

We are committed to sustainability across our global business and partner with our customers to help them meet their sustainability objectives. The LSEG Foundation provides charitable grants to community groups that help people access economic opportunities and build a secure future. 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) 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 that you ensure candidates applying to LSEG are aware of this privacy notice.