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# Senior Java Developer (AWS, Microservices) - Sussex

- **Company:** Salt Search Ltd.
- **Location:** London, UK
- **Experience:** Expert
- **Contract:** Temporary contract
- **Skills:** Java (Programming Language), Amazon Web Services, Amazon S3, Automation of Tests, Unit Testing, Cloud Engineering, Software Design Patterns, DevOps, Amazon DynamoDB, Github, Java Virtual Machine (JVM), NoSQL, OAuth, Object-Oriented Software Development, Cloud Services, Simple Object Access Protocol (SOAP), Software Engineering, SQL Databases, Systems Integration, Delivery Pipeline, Backend, Integration Tests, Graphql, Functional Programming, Api Gateway, Restful APIs, OpenSearch, Jenkins, Microservices
- **Published:** October 2, 2026
- **Apply:** https://www.totaljobs.com/job/senior-java-developer/salt-job108069828

## About the Role

* 5+ years of professional backend development experience.
 * Strong understanding of Object-Oriented Programming principles and familiarity with Functional Programming
 * Must be proficient in Java (v8 - v24) and DI frameworks
 * Software design patterns.
 * Knowledge of microservices architecture and event-driven patterns.
 * Familiarity with other JVM languages
 * Hands-on experience with AWS cloud services (Lambda, API Gateway, DynamoDB, ECS, S3, etc.).
 * Experience developing RESTful APIs
 * Exposure to SOAP and GraphQL services.
 * Familiarity with CI/CD pipelines (e.g., Jenkins, GitHub Actions, AWS CodePipeline).
 * Knowledge of unit testing, integration testing, and automation testing.
 * Awareness of security best practices, OAuth2/JWT authentication.
 * Awareness of SQL & NoSQL (Opensearch)
 * Familiarity with travel industry concepts/GDSes

*Rates depend on experience and client requirements

## Description

My new client is looking for a Senior Java Developer (AWS, Microservices) to join the team on a contract basis. You will play a key role in designing, developing, and maintaining secure, scalable, and cloud-native Java microservices, primarily hosted on AWS, integrating with both internal and third-party systems

Collaborating closely with other technical leads, platform engineers, QA, and product teams, you will follow best practices in software design, observability, security, and DevOps principles. You will also contribute to L3 support activities, ensuring the stability and reliability of production systems.

This role demands a proactive, curious mindset, keeping them at the forefront of digital innovation.


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