Senior Lead Java Engineer

United States Digital Space LLC; Greater London; Hybrid; GBP 90,000 - 120,000; Full time

Benefits offered by this job

Hybrid work model

Job summary

United States Digital Space LLC is seeking a talented Senior Lead Java Engineer to join the SwapClear Interfaces team within the SwapClear Technology function. You will design, build, and maintain Java-based applications essential to SwapClear Clearing operations.

In a Scrum/Agile environment, you will lead by example, ensure code quality, and contribute to testing and reliability while collaborating with cross-functional teams across front-end and cloud domains.

Qualifications

• Proven experience in system design, application development, testing, and operational stability using Java.
• Excellent problem-solving, analytical and communication skills.
• Strong in Java 17+ and frameworks like Spring Boot, Spring MVC and Apache.
• Deep understanding of RESTful services and microservices architecture.
• Deep understanding of relational databases, SQL, and ORM tools.
• Experience with front-end development using HTML, CSS, JavaScript frameworks.
• Experience with Test Driven Development (TDD) / Behavior Driven Development.
• Experience with cloud platforms and container technologies.
• Exposure to CI/CD, Application Resiliency, and Security.

Responsibilities

• Take ownership of the analysis, design, develop and delivery of scalable and maintainable Java-based applications.
• Collaborate with cross-functional teams to align technology solutions with business needs.
• Lead by example with high quality, clean code using modern Java, Spring and related technologies; promote best practices in software engineering.
• Estimate progress and liaise with business analysts, developers and CI teams.
• Contribute to test automation and participate in test case design and execution.
• Support production systems, troubleshoot issues and provide timely fixes including out-of-hours support.
• Document technical specifications, workflow and system design.
• Work within an Agile/Scrum team and participate in sprint planning and stand-ups.

Skills

Java

Java 17+

Spring Boot

Spring MVC

RESTful services

SQL

Message brokers

Front-end development

TDD/BDD

Cloud platforms

CI/CD

Tools

HTML

CSS

JavaScript frameworks

ORM tools

Job description

Role Overview

We are looking for a talented and passionate Senior Lead Java Engineer to join the SwapClear Interfaces development team, part of the SwapClear Technology function supporting the LCH Swap Clearing business.

The team is responsible for designing, building, and supporting critical interfaces and systems that facilitate the clearing operations.

This Senior Lead Java Engineer role will focus on leading the team in designing, building and maintaining Java‑based applications and their related systems that are critical to the SwapClear Clearing operations.

You will be worked in a scrum team and work collaboratively within an Agile environment to ensure the smooth execution of the software development lifecycle, from planning and development to deployment and support. You will report to the SwapClear Interface development Team Lead while actively contributing to the delivery of high‑quality solutions.

The successful candidate needs to be hands‑on, with a strong and deep understanding of Java plus the knowledge of the front‑end and cloud development, and a proactive approach in all aspects of development. You will also be expected to make contributions to testing, ensure the solutions meet high standards for quality and reliability.

WHAT YOU'LL BE DOING

• Take ownership of the analysis, design, develop and delivery of scalable and maintainable Java based applications
• Collaborate with cross‑functional teams to align technology solutions with business needs
• Lead by example with high quality, clean code using modern Java, Spring and related technologies, promote best practices in software engineering
• Take responsibility for identification, estimation and reporting on progress of tasks, along with liaising across the business analyst, developer and continuous integration teams
• Contribute to test automation and participate in test case design and execution
• Support production systems, troubleshoot issues, provide timely fixes including participation in out‑of‑hours support rota
• Document technical specifications, workflow and system design
• Work within an Agile/Scrum team, actively participating in sprint planning, daily stand‑ups and retrospectives

WHAT YOU'LL BRING

Essential Skills

• Proven experience in system design, application development, testing, and operational stability using Java
• Excellent problem‑solving, analytical and communication skills
• Strong in Java 17+ and frameworks like Spring Boot, Spring MVC and Apache
• Deep understanding of RESTful services and understanding microservices architecture
• Deep understanding of relational databases, SQL language and ORM tools
• Deep understanding of message brokers
• Experience with front‑end development using HTML, CSS, JavaScript frameworks
• Experience with Test Driven Development (TDD) / Behavior Driven Development
• Experience with cloud platforms and container technologies
• Experience with performance tuning and system optimization
• Exposure to agile methodologies such as CI/CD, Application Resiliency, and Security
• Adaptability to changing project requirements and technologies

Desirable skills

• Experience with the finance domain
• Knowledge of FpML
• Knowledge of observability tools

WHAT YOU’LL GET IN RETURN

LCH is one of the cornerstones of the world’s financial systems and SwapClear is the global leader for its asset class in a challenging and highly competitive market. The SwapClear platform continues to experience significant growth and constant change whilst maintaining the very highest levels of service availability. Developing the software technology pivotal to this success is an exciting and rewarding challenge which will stretch any candidate.

We recognize that to attract the best talent, we need to be flexible and we are open to discussing work arrangements with you. We take a hybrid approach to workplace, this role is blended.

LSEG offers a range of tailored benefits and support, including healthcare, retirement planning, paid volunteering days and wellbeing initiatives.

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.