Senior Lead Java Engineer - Cloud, Microservices

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

Benefits offered by this job

Hybrid work model

Healthcare benefits

Retirement planning

Job summary

London Stock Exchange Group is seeking a Senior Lead Java Engineer to join the SwapClear Interfaces team. You will lead design, development and maintenance of Java-based applications central to SwapClear operations within an Agile environment.

The role emphasizes hands-on coding, cloud and front‑end knowledge, and ensuring high-quality, reliable solutions. You will report to the SwapClear Interface Development Team Lead and contribute across the software lifecycle.

Qualifications

• Proven experience in system design, application development, testing, and operational stability using Java.
• Strong knowledge of Spring, Spring MVC and related frameworks.
• Deep understanding of RESTful services and microservices architecture.
• Relational databases, SQL and ORM tools experience.
• Front-end development basics (HTML/CSS/JS).
• Experience with cloud platforms and container technologies.
• Familiar with CI/CD, testing and security practices.

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.
• Take responsibility for identification, estimation and reporting on progress of tasks, liaising with business analysts and CI/CD 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, workflows and system design.
• Work within an Agile/Scrum team with sprint planning and daily stand-ups.

Skills

Java 17+

Spring Boot

RESTful services

Microservices

SQL/ORM

Frontend basics

CI/CD

Cloud platforms

Test automation

Agile/Scrum

Tools

Apache

JUnit

CI/CD tools

Docker

Kubernetes

Job description

London Stock Exchange Group is seeking a Senior Lead Java Engineer to join the SwapClear Interfaces team. You will lead design, development and maintenance of Java-based applications central to SwapClear operations within an Agile environment.

The role emphasizes hands-on coding, cloud and front‑end knowledge, and ensuring high-quality, reliable solutions. You will report to the SwapClear Interface Development Team Lead and contribute across the software lifecycle.