Senior Consultant, Software Development Engineer in Test

Salary: £95,000 - 130,000 per year

Requirements

• UK Developed Vetting (DV) clearance
• Strong coding skills in at least one of: Java, C#, Python, or JavaScript/TypeScript
• Experience building or extending automation frameworks for API, web, or mobile testing
• Familiarity with testing frameworks and tools such as Selenium, RestAssured, Appium, Cucumber, or Playwright
• Experience with source control such as Git
• Experience working in agile teams using tools such as Jira or Azure DevOps
• Collaborative mindset and strong communication skills
• Practical knowledge of CI/CD pipelines
• Understanding of microservice and container-based architectures
• Experience with cloud technologies such as AWS, Azure, or GCP
• Contributions to open-source projects or developer communities
• Knowledge of performance, security, or accessibility testing
• Exposure to infrastructure-as-code or container orchestration tools such as Docker, Kubernetes, or Terraform

Responsibilities

• Design and implement modern test automation frameworks for APIs, microservices, and front-end applications
• Embed test automation in CI/CD pipelines using tools such as Azure DevOps, Jenkins, or GitHub Actions
• Write maintainable, readable tests in languages such as Java, Python, C#, or JavaScript/TypeScript
• Collaborate with client and Deloitte teams to define the right approach to quality across projects
• Analyse failures, identify root causes, and improve test reliability
• Mentor others and contribute to Deloittes internal tools, accelerators, and communities of practice
• Work closely with developers, DevOps engineers, and business analysts to design, implement, and scale test automation

Technologies

• API
• Appium
• AWS
• Azure
• C#
• CI/CD
• Cloud
• Cucumber
• DevOps
• Docker
• GCP
• Git
• GitHub
• Support
• JIRA
• Java
• JavaScript
• Jenkins
• Kubernetes
• Mobile
• Playwright
• Python
• Security
• Selenium
• TypeScript
• Web
• microservices
• AI
• Backbone
• Terraform

More

We are Deloitte, working on technology that helps keep the UK secure, resilient, and ready for tomorrow. Our Defense & Security engineers build the digital foundations behind complex systems in government, from critical infrastructure to advanced data platforms. We are growing rapidly across our Defense & Security portfolio and offer excellent development opportunities, including the chance to build new technical skills, gain qualifications and certificates, and make a real impact. This role is based in Bristol or Manchester with hybrid working, and we support flexible working across local offices, virtual collaboration spaces, client sites, and remote locations. We also invest in an inclusive, collaborative culture where people are supported, heard, and encouraged to develop their expertise.

last updated 34 week of 2026