Salary: £70,000 - 90,000 per year Requirements:

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

Responsibilities:

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

More:

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.

last updated 42 week of 2026

Java Software Engineer

Start with your email