Senior Java Engineer - AWS Microservices (Hybrid, Travel)

Salt Search; City Of London; Hybrid; GBP 101,000 - 129,000; Part time

Job summary

Salt Search is seeking a Senior Java Developer to design, develop and maintain cloud-native Java microservices on AWS, with a focus on security and observability. You will work closely with platform engineers, QA and product teams in a hybrid setup.

This contract role in the travel sector spans 3–6 months, offering £550-£700 daily rate inside IR35, with start ASAP. Hybrid: 1–2 days on-site in Sussex.

Qualifications

• 5+ years of professional backend development experience.
• Strong OOP and FP concepts, Java (v8–v24).
• Experience with AWS services and microservices patterns.
• Knowledge of RESTful APIs, CI/CD pipelines, and testing.
• Security best practices, OAuth2/JWT and data stores.

Responsibilities

• Design, develop and maintain secure, scalable Java microservices on AWS.
• Collaborate with tech leads, platform engineers, QA and product teams; ensure observability and DevOps practices.
• Contribute to L3 production support and incident response.

Skills

Java backend

AWS

Microservices

REST APIs

CI/CD

Testing

Tools

Jenkins

GitHub Actions

CodePipeline

DynamoDB

S3

Lambda

Job description

Salt Search is seeking a Senior Java Developer to design, develop and maintain cloud-native Java microservices on AWS, with a focus on security and observability. You will work closely with platform engineers, QA and product teams in a hybrid setup.

This contract role in the travel sector spans 3–6 months, offering £550-£700 daily rate inside IR35, with start ASAP. Hybrid: 1–2 days on-site in Sussex.