Remote Backend Java Developer – Legacy Modernisation & Microservices

amber labs; Newcastle upon Tyne; Remote; GBP 65,000 - 90,000; Full time

Benefits offered by this job

25 days' annual leave

Private medical insurance

Remote working with Newcastle travel

Training budget

Perkbox membership

EV Scheme after one year

Team socials

Referral scheme £3,000

Choice of PC or Mac

Job summary

Amber Labs in the UK is seeking a Backend Java Developer on a permanent basis to support a major government legacy remediation programme. You will refactor legacy applications into Java 11 microservices with full functional equivalence, using Spring Boot, Kafka and API gateways.

You will collaborate with client teams to migrate live data, help decommission old systems, and deploy on AWS while contributing to CI/CD pipelines.

Qualifications

• Strong backend Java development experience (Java 11).
• Experience with Spring Boot and Maven.
• Proven ability to design/build microservices.
• Experience in event-driven architectures (Kafka, ActiveMQ or RabbitMQ).
• Familiarity with API gateways (Kong).
• Experience with CI/CD tools (Git, GitLab CI, Jenkins, SonarQube).
• Experience deploying on AWS.

Responsibilities

• Refactor legacy apps into modern Java 11 microservices with functional equivalence.
• Build event-driven services using Kafka and messaging systems.
• Develop and maintain APIs via an API gateway (Kong).
• Collaborate with client SMEs to document legacy logic.
• Support migration of live data/users to new systems.
• Contribute to CI/CD pipelines and code quality.

Skills

Java 11

Spring Boot

Microservices

Event-driven

API Gateways

AWS

Tools

Kafka

ActiveMQ/RabbitMQ

Kong

Git

GitLab CI

Jenkins

SonarQube

Job description

Amber Labs in the UK is seeking a Backend Java Developer on a permanent basis to support a major government legacy remediation programme. You will refactor legacy applications into Java 11 microservices with full functional equivalence, using Spring Boot, Kafka and API gateways.

You will collaborate with client teams to migrate live data, help decommission old systems, and deploy on AWS while contributing to CI/CD pipelines.