Mission freelance Full Stack Engineer - DV Cleared

Full Stack Engineer

Must have an Active DV Clearance

Full Stack Engineer Responsibilities

- Design, develop, test and maintain secure full-stack applications.
- Build responsive, accessible user interfaces using modern JavaScript frameworks.
- Develop backend services, APIs, microservices and integrations with legacy systems.
- Implement secure coding practices, threat modelling and vulnerability remediation.
- Develop and maintain CI/CD pipelines, automated testing and deployment processes.
- Use Docker, Kubernetes and Infrastructure as Code to support application delivery.
- Work across cloud, on-premises and hybrid infrastructure environments.
- Participate in SAFe Agile ceremonies, backlog refinement and Programme Increment (PI) Planning.
- Conduct peer reviews, unit testing, integration testing and security testing.
- Resolve complex technical defects, manage technical debt and improve application performance.
- Collaborate with Product Owners, Scrum Masters, Architects and security specialists.
- Mentor engineers and contribute to technical decisions and engineering standards.

Full Stack Engineer Skills and Experience

- Proven full-stack software engineering experience across frontend and backend development.
- Strong experience with modern JavaScript frameworks and responsive web application development.
- Experience with server-side programming languages, frameworks and service architecture.
- Strong API development, microservices and legacy system integration experience.
- Experience with relational and non-relational databases.
- Hands-on experience with Docker, Kubernetes and containerised applications.
- Strong knowledge of CI/CD pipelines, Infrastructure as Code and automated testing.
- Experience implementing DevSecOps practices, vulnerability scanning and secure coding standards.
- Understanding of cloud, on-premises and hybrid infrastructure.
- Experience delivering software within restricted, segregated or disconnected environments.
- Knowledge of SAFe Agile delivery, Scrum and Programme Increment Planning.
- Strong troubleshooting, technical leadership and mentoring skills.
- Excellent communication and stakeholder management skills.
- Ability to work effectively within secure, regulated Government or Defence environments.

To apply, please send your CV by pressing the apply button.

Due to high volume of applications, only shortlisted CVs will be contacted.


Due to the nature and urgency of this post, candidates holding or who have held high level security clearance in the past are most welcome to apply. Please note successful applicants will be required to be security cleared prior to appointment which can take a minimum 18 weeks. LA International is an award-winning partner of choice for many of the world's most influential companies and government organisations. Holding Enhanced Government Security Accreditation, we are recognised as the European market leader in the delivery of Security Cleared talent to organisations that demand the very highest levels of security, compliance and assurance.

An award-winning organisation, having secured the prestigious Queens Award for Enterprise: International Trade over multiple years. We are committed to fostering an inclusive, equitable and accessible workplace where everyone feels valued and supported. We welcome applications from all individuals, regardless of background or identity, and we encourage candidates who may not meet every listed requirement to still apply. If you require any adjustments or support during the recruitment process, please let us know and we will work with you to ensure a fair and accessible experience.

Please Note: If a high volume of applications is received, only candidates shortlisted will be contacted.