Java Developer

SThree; Greater London; Hybrid; GBP 46,125 - 147,600; Full time

Job summary

SThree in the United Kingdom is seeking a skilled Java/Spring professional to design, develop, and maintain scalable microservices. You will work with cloud platforms (Azure/AWS/GCP), implement CI/CD pipelines, and contribute to RESTful APIs.

The role emphasizes clean code, code reviews, and containerization with Docker and Kubernetes. You should hold a Bachelor's in CS, strong Java/Spring experience, knowledge of SQL, and be authorized to work in the UK.

Qualifications

• Bachelor's degree in Computer Science or related field.
• Strong experience with Java and the Spring ecosystem (Spring Boot, Spring Framework).
• Experience with microservices architecture and API development.
• Experience with cloud platforms (Azure, AWS or GCP) and containerisation (Docker, Kubernetes).
• Familiarity with CI/CD tools and automation practices.
• Solid understanding of SQL and relational databases.
• Experience with version control and collaborative development practices.
• Authorization to work in the United Kingdom.

Responsibilities

• Developing and maintaining Java applications using Spring Boot and Spring frameworks.
• Building and integrating microservices architectures with a focus on scalability and performance.
• Working with cloud platforms such as Azure, AWS or GCP to deploy and manage applications.
• Implementing CI/CD pipelines to automate testing and deployment processes.
• Collaborating with teams to design and implement RESTful APIs.
• Writing clean, maintainable code and contributing to code reviews.
• Working with containerisation technologies such as Docker and Kubernetes.
• Supporting the development of distributed systems and data pipelines.

Job description

What You Would Do

• Developing and maintaining Java applications using Spring Boot and Spring frameworks
• Building and integrating microservices architectures with a focus on scalability and performance
• Working with cloud platforms such as Azure, AWS or GCP to deploy and manage applications
• Implementing CI/CD pipelines to automate testing and deployment processes
• Collaborating with teams to design and implement RESTful APIs
• Writing clean, maintainable code and contributing to code reviews
• Working with containerisation technologies such as Docker and Kubernetes
• Supporting the development of distributed systems and data pipelines

What You Could Bring

• Bachelor's degree in Computer Science or a related discipline
• Strong experience with Java and the Spring ecosystem (Spring Boot, Spring Framework)
• Working knowledge of microservices architecture and API development
• Experience with cloud platforms (Azure, AWS or GCP) and containerisation (Docker, Kubernetes)
• Familiarity with CI/CD tools and automation practices
• Solid understanding of SQL and relational databases
• Experience with version control and collaborative development practices
• Authorization to work in the United Kingdom

Nice‑to‑have experience could include

• Oracle Certified Associate or Oracle Certified Professional Java SE certification
• Spring Professional certification (VMware)
• Experience with Terraform or infrastructure-as-code practices
• Knowledge of Linux and bash scripting
• Exposure to data quality, ETL pipelines or Power BI
• Experience with SAP systems (SAP S/4HANA, SAP ECC or SAP RISE)

What Roles Of This Type Could Offer

• The opportunity to work on modern, scalable Java applications across diverse sectors
• Exposure to cloud-native development and containerised microservices
• Potential to develop expertise in CI/CD, distributed systems and enterprise architecture
• Collaboration with experienced engineering teams and learning opportunities
• Flexible working arrangements and the chance to work across multiple UK locations
• Day rates typically ranging from £250–280 per day or £600–800 per day, dependent on experience and contract type
• The chance to expand your technical skillset and progress your career in the Java ecosystem