Senior Software Engineer (React/Java/Spring)

This is a full-stack role using React, Java and Spring, and you'll also contribute to internal and supplier-facing tooling., * Design, build, and maintain high-quality Back End services using Java and the Spring framework

• Develop and consume GraphQL APIs, ensuring performance, scalability, and maintainability
• Collaborate closely with Machine Learning, Product, and Platform teams to deliver ranking and recommendation solutions
• Contribute to cloud-native architectures deployed on AWS
• Support CI/CD pipelines and promote best practices around testing, code quality, and automation

• Strong commercial experience with Java and the Spring ecosystem (Spring Boot, Spring Data, Spring Security)
• Solid, hands-on experience designing and working with GraphQL APIs
• Experience building and deploying services in AWS environments
• Strong DevOps mindset with experience using Docker, CI/CD pipelines, and Git-based workflows, * Java: 5+ years' professional experience, ideally with Java 17+, including performance tuning and advanced concepts
• React.js: 3+ years' experience building complex Single Page Applications
• Micro Frontends (MFE): Experience designing, building, and deploying Micro Frontend architectures
• Spring Framework: Deep practical experience with Spring Boot and associated libraries
• GraphQL: Strong understanding of API design, implementation, and consumption
• Experience with services such as EC2, ECS/Fargate or Lambda, S3, RDS, and DynamoDB
• Maven or Gradle, Docker, CI/CD pipelines, and version control best practices