Senior Java Engineer — Cloud Migration & Back-Office

Lorien; City Of London; Hybrid; GBP 77,000 - 129,000; Full time

Job summary

Lorien is seeking a Java Developer in London to join the Back Office Change function on a 12-month contract. The role focuses on an AWS cloud migration and modernising a range of middle and back-office systems, including reference data and FIS platforms.

You will work with database and reporting teams and collaborate downstream with Front Office on changes and projects, while navigating a historical tech landscape and a hybrid London-based setup.

Qualifications

• Strong Java development experience with AWS knowledge.
• Proficient with Spring/Spring Boot and relational databases (SQL).
• Experience in CI/CD environments and source control (Git).
• Financial services experience is essential.
• Experience with cloud migrations and AWS tooling.

Responsibilities

• Develop Java-based services as part of the AWS cloud migration.
• Modernise middle- and back-office systems and reference data.
• Collaborate with database and reporting teams; liaise with Front Office on requirements.

Skills

Java

Spring/Spring Boot

SQL

AWS

CI/CD

Git

AI development

Stakeholder management

Job description

Lorien is seeking a Java Developer in London to join the Back Office Change function on a 12-month contract. The role focuses on an AWS cloud migration and modernising a range of middle and back-office systems, including reference data and FIS platforms.

You will work with database and reporting teams and collaborate downstream with Front Office on changes and projects, while navigating a historical tech landscape and a hybrid London-based setup.