Java Software Engineer

• Design, develop and maintain high-quality Java software
• Investigate technologies and identify effective technical solutions
• Write and maintain unit, acceptance and performance tests
• Support deployment pipelines and work closely with DevOps specialists
• Troubleshoot complex technical issues and provide third-line support
• Participate in code reviews, pair programming, planning and estimation
• Collaborate within an agile team to deliver reliable, maintainable software
• Contribute throughout the software development lifecycle, from understanding requirements and designing solutions through coding, testing, deployment and ongoing support

Technologies:

• AWS
• Lambda
• Ansible
• Bash
• BitBucket
• CI/CD
• DevOps
• Docker
• Git
• GitLab
• Support
• JPA
• Java
• JavaScript
• Jenkins
• Kubernetes
• Linux
• MongoDB
• OpenShift
• Oracle
• PostgreSQL
• Python
• REST
• RabbitMQ
• Security
• Spring
• Spring Boot
• TDD
• Terraform
• Cloud

• Strong Java development experience, ideally using Spring Boot
• Experience with agile practices, including TDD, BDD, continuous delivery, DevOps and pair programming
• Experience with AWS services such as S3, Fargate, Lambda, SQS and SNS
• Experience with databases such as PostgreSQL, Oracle, MongoDB or DynamoDB, plus JPA
• Familiarity with REST APIs, RabbitMQ, Docker and Linux
• Experience with infrastructure and automation tools, including Terraform, Ansible and Kubernetes
• Experience with CI/CD and version control tools such as Jenkins, Git, Bitbucket and GitLab
• Strong communication, collaboration and problem-solving skills, with a positive, open approach to teamwork
• Desirable: Experience with OpenShift, Docker Compose or Swarm, Python, or other languages such as JavaScript, Go and Bash
• Applicants need not have experience with every listed technology; solid Java skills and a willingness to learn are valued

We are TwinStream, a company founded in 2019 by engineers addressing complex challenges within government organisations. We have grown to more than 100 people across the UK and deliver innovative solutions with a focus on technical excellence, client service, and a collaborative, supportive environment. This role contributes to components for a sophisticated cross-domain security system and offers technically challenging, meaningful projects, a collaborative team, and opportunities to develop skills across the full software development lifecycle. The salary is £70,000-£90,000, and the position is fully remote, with potential travel to our Bristol office in the future. DV clearance eligibility is required.