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Senior Full-Stack Java Engineer
Job Location:
Monthly Salary:
Posted:
7 October 2026 (12 hours ago)
Posted:
Application Deadline:
4 January 2027
Application Deadline:
Vacancies:
1 Vacancy
Vacancies:
Job Summary
Role Title: Senior Full-Stack Java Engineer
Location: London or Belfast - Hybrid Working Model
Rate: Competitive Inside IR35 via Rockford Payroll
Duration: 6 months initially
Overview
Deloitte is seeking six senior full-stack software engineers with strong experience across Java back-end development and JavaScript front-end development to support a confidential engagement within a highly regulated enterprise environment. The role will focus on designing building and securing enterprise-grade applications and platforms with a strong emphasis on DevSecOps secure software supply chain practices and embedding Secure Development Lifecycle (SDL) principles across the SDLC.
The successful consultants will contribute to the delivery of scalable cloud-native solutions support technical strategy and code quality and help drive secure engineering practices across development and deployment pipelines.
Key Responsibilities
Software Engineering
o Design develop and maintain enterprise-grade applications using Java and JavaScript
o Build scalable secure solutions aligned to cloud-native and modern engineering principles
o Lead and participate in code reviews technical design discussions and architecture decisions
o Evaluate adopt and integrate open-source technologies where appropriate
DevSecOps and CI/CD
o Design enhance and maintain CI/CD pipelines with integrated security controls
o Implement automated security testing such as code scanning and dependency analysis
o Develop automation to support continuous integration testing and secure deployment practices
o Promote and apply Infrastructure-as-Code best practices
Secure Development Lifecycle
o Champion SDL practices across the software delivery lifecycle
o Support threat modelling security design reviews and remediation of identified vulnerabilities
o Help embed secure coding standards and supply chain security controls into engineering workflows
Required Skills and Experience
Programming: Strong hands-on experience with Java and JavaScript
Architecture: Solid understanding of distributed systems microservices APIs and software design patterns
CI/CD: Proven experience implementing and managing CI/CD pipelines using tools such as GitHub Actions GitLab or Jenkins
Security:
- Strong knowledge of SDL and secure coding practices
- Understanding of software supply chain security including SBOMs dependency management and vulnerability management
- Experience with Software Composition Analysis (SCA) tools and DevSecOps practices is preferred
- Knowledge of Zero Trust architecture and policy-as-code is preferred
Technologies: - Containerisation experience with Docker and Kubernetes
- Exposure to cloud platforms such as AWS Azure or Google Cloud
Education
A bachelors degree in computer science Software Engineering or equivalent practical experience in a related technical field is required.
