Java Engineer

We are seeking a Java Engineer to join our growing software development team on a contract basis in London. This is an opportunity to register your interest in future Java Engineer roles where you could contribute to the design and delivery of scalable, cloud-native applications using modern frameworks and distributed systems architecture.
Please note the content of this advert does not represent a live vacancy.
About the opportunity
Roles of this type may sit within collaborative engineering teams delivering microservices-based solutions across cloud platforms including Azure and AWS. The work could involve building and maintaining APIs, containerised applications using Docker and Kubernetes, and supporting CI/CD pipelines. You could have the opportunity to work with Spring Boot and the broader Spring ecosystem, contributing to system design, code quality and technical problem-solving across cross-functional teams.
Typical role overview

• Location: London, Greater London, England - hybrid with flexibility
• Type: Contract • Full-time
• Rate: £500-700 per day
• Domain: Java development • cloud-native applications • microservices

What you would do
Typical responsibilities could include:

• Developing and maintaining Java applications using Spring Boot and related frameworks
• Building and integrating REST APIs and microservices within distributed systems
• Writing and optimizing SQL queries and managing relational databases
• Supporting containerization efforts using Docker and Kubernetes orchestration
• Contributing to CI/CD pipeline development and deployment automation
• Collaborating with team members on code reviews, architecture discussions and technical design
• Supporting the maintenance and improvement of existing systems and services
• Troubleshooting and resolving technical issues in production and development environments

What you could bring
Most roles of this type require the following:

• Strong experience with Java and Spring Boot application development
• Solid understanding of microservices architecture and distributed systems
• Working knowledge of containerization (Docker) and container orchestration (Kubernetes)
• Experience with REST API design and development
• Proficiency in SQL and relational database management
• Familiarity with CI/CD tooling and automation practices
• Experience with cloud platforms such as Azure or AWS
• Bachelor's degree in Computer Science or related field
• Strong problem-solving skills and attention to code quality

Nice-to-have experience:

• Oracle Certified Professional: Java SE Programmer or Oracle Certified Associate: Java SE certification
• Spring Professional (VMware) certification
• Experience with additional technologies such as Python, .NET, ASP.NET or React
• Knowledge of containerized infrastructure and Kubernetes deployment strategies
• Familiarity with Infrastructure as Code tools such as Terraform

What roles of this type could offer
Most roles of this type offer the following, dependent on the industry and seniority of the role:

• The opportunity to work on modern, scalable cloud-native applications
• Experience with current industry frameworks and architectural patterns
• Exposure to diverse technology stacks and learning opportunities
• Collaboration with experienced engineering teams
• Flexibility and autonomy in delivering technical solutions
• Potential for contract extension based on project needs and performance
• Remote working flexibility where supported by the engagement
• Professional development opportunities within software engineering practices

About SThree
SThree is the global STEM workforce consultancy.
We advise businesses, build expert teams and deliver project solutions to outpace tomorrow, together.
Across the UK, we connect talented specialists with cutting-edge opportunities across technology, engineering, life sciences and financial services supported by our offices in London, Birmingham, Manchester, Glasgow and Leeds
How to register interest
If you are interested in being added to our database to be considered for future opportunities, registering is quick and easy. No cover letter required. We will be in touch when we are instructed on these roles to discuss the next step in your career.