Software Engineer - Defence

Sanderson Recruitment; Southampton; On-site; GBP 54,000 - 94,000; Full time

Benefits offered by this job

Flexible benefits package

Health & wellbeing

Learning & development

Job summary

Sanderson Recruitment is seeking a software engineer to design, develop and maintain scalable software solutions. You will collaborate with engineers, architects and product teams to deliver high-quality products and participate in Agile ceremonies, including sprint planning, reviews and retrospectives.

The role focuses on secure, scalable applications across cloud technologies, with opportunities to influence tooling, processes and software quality through the full development lifecycle.

Qualifications

• Degree in a STEM subject or equivalent industry experience.
• Experience with Python, Java, Rust, and JavaScript.
• Experience with cloud and infrastructure tech: AWS, Azure or GCP, Docker/Podman, Kubernetes.
• Experience with software engineering practices: microservices, REST/gRPC, DevSecOps, Git, CI/CD, IaC, Linux, shell scripting.
• Eligible for UK Security Clearance (SC).

Responsibilities

• Design, develop and maintain software solutions.
• Collaborate with engineers, architects and product teams to deliver high-quality products.
• Participate in Agile ceremonies (Sprint Planning, Reviews, Retrospectives).
• Contribute to code reviews and engineering best practice.
• Support deployments and resolve issues in live environments.
• Continuously improve processes, tooling and software quality.
• Involve across the software development lifecycle from design to deployment and support.
• Help deliver secure, scalable applications using modern engineering practices.
• Broaden experience across cloud, automation, sensors and emerging tech.

Skills

Python

Java

Rust

JavaScript

Cloud platforms

CI/CD

DevSecOps

Linux

Shell scripting

Teamwork

Problem-solving

Proactive mindset

SC eligibility

Education

STEM degree or equivalent experience

Tools

AWS

Azure

GCP

Docker

Podman

Kubernetes

Ansible

Terraform

Puppet

GitLab

Git

Kafka

MQTT

Job description

Salary: £54,000 - 94,000 per year

Requirements:

• We require a degree in a STEM subject or equivalent industry experience.
• We look for experience with some of the following technologies: Python, Java, Rust, JavaScript.
• We look for experience with cloud and infrastructure technologies such as AWS, Azure or GCP, Docker or Podman, and Kubernetes.
• We look for experience with software engineering approaches such as microservices, serverless architectures, REST APIs and/or gRPC, event-driven systems, DevSecOps, Git, CI/CD, infrastructure as code, Linux, and shell scripting.
• We value problem-solving ability, teamwork, and a proactive mindset focused on continuous improvement.
• Due to the nature of the work, we require eligibility for UK Security Clearance (SC).

Responsibilities:

• We design, develop and maintain software solutions.
• We work closely with engineers, architects and product teams to deliver high-quality products.
• We participate in Agile ceremonies including Sprint Planning, Reviews and Retrospectives.
• We contribute to code reviews and engineering best practice.
• We support deployments and resolve issues in live environments.
• We continuously improve processes, tooling and software quality.
• We are involved throughout the software development lifecycle, from design and build through deployment and ongoing support.
• We help deliver secure, scalable applications using modern engineering practices.
• We broaden our experience across cloud technologies, automation, sensors and emerging technologies.

Technologies:

• AI
• AWS
• Azure
• CI/CD
• Cloud
• DevSecOps
• Docker
• GCP
• Git
• Support
• Java
• JavaScript
• Kubernetes
• Linux
• Podman
• Python
• REST
• Rust
• Security
• Serverless
• gRPC
• microservices
• Ansible
• DevOps
• GitLab
• Kafka
• MQTT
• Puppet
• Terraform

More:

Were a growing team delivering innovative software solutions to some of the UKs most complex technical challenges. We work across cloud, edge computing, AI and modern software engineering to build secure, scalable applications that make a genuine difference. We offer a competitive salary, a flexible benefits package covering health, wellbeing, lifestyle and financial benefits, ongoing learning and professional development, and a collaborative, supportive engineering culture. We provide an inclusive environment where everyone is encouraged to contribute and grow, and we welcome people of all backgrounds and perspectives.

last updated 36 week of 2026