Senior Java Developer (Manchester)
DatalexManchester, England, United Kingdom • Dublin, Ireland
Posted September 17, 2025
Full Time
About the Company
Datalex is a leading provider of digital commerce solutions for travel retail, enabling airlines to maximize revenue through innovative products and services. With a focus on travel distribution control, retail optimization, and digital transformation, Datalex powers a global marketplace for over one billion shoppers. Headquartered in Dublin, Ireland, the company serves major airlines worldwide and is publicly listed on Euronext Growth.
Job Description
Datalex is seeking a highly skilled Senior Java Developer to modernize their legacy monolithic architecture by decomposing SOAP-based services into RESTful microservices. The role involves designing, building, and deploying scalable REST APIs using Spring Boot, leveraging AWS services and containerization technologies. This is a high-impact position focused on scalability and performance of the system.
Requirements
- 7+ years in Java development with strong expertise in Spring Boot
- Proven experience decomposing monolithic applications and rebuilding them as RESTful microservices
- Deep understanding of REST architecture principles and best practices
- Proven experience designing and building REST APIs at scale
- Deep understanding of SOAP-to-REST transformations
- Hands-on experience with Docker and either Kubernetes or AWS ECS
- Proficiency in one or more Infrastructure as Code (IaC) frameworks: Terraform, AWS CloudFormation, or AWS CDK
- Strong database knowledge: PostgreSQL, MySQL, MongoDB, Redis
- Proficient with CI/CD tools (e.g., Jenkins, GitLab CI, AWS CodePipeline) and testing discipline
- Experience with OAuth2, JWT, OpenID Connect
