Senior Full-Stack Engineer

Senior Full-Stack/Backend Engineer - 3-Month Contract

Location: UK (Remote/Hybrid options available)
Duration: 3 months
Clearance: SC to DV (including MOD DV/UKSV DV)

About the Role:
We're seeking a highly skilled Senior Full-Stack/Backend Engineer to join a fast-moving programme in the UK defence environment. You will design, build, and operate mission-critical Back End systems while optionally contributing to Front End features. This is a hands-on role where you'll take features from concept to production with a focus on scalability, reliability, and security.

Key Responsibilities:

• Design and evolve Back End services using Python and REST APIs/OpenAPI.

• Build and maintain relational databases (PostgreSQL or similar) and ensure performance and reliability.

• Contribute to event-driven systems, async workflows, and authentication/authorization mechanisms (OAuth2/OIDC).

• Optionally contribute to Front End development (React, Next.js, TypeScript, Tailwind) and cloud infrastructure.

• Work closely with cross-functional teams to translate requirements into robust, secure solutions.

• Uphold best practices for logging, monitoring, and alerting.

Required Skills & Experience:

• Proven experience in Python Back End development and building REST APIs.

• Strong understanding of Back End architecture, databases, and Server Side systems.

• SC or DV clearance (or eligible for MOD DV/UKSV DV).

• Experience working in a defence, government, or high-security environment preferred.

Optional/Nice-to-Have:

• Event-driven systems (Celery, Kafka, Redis Streams)

• Frontend development (React, Next.js, TypeScript, Tailwind)

• Cloud/container experience (Docker, Terraform, CloudFormation, Argo CD)

• Logging/monitoring stacks (Prometheus, Grafana, ELK/OpenSearch)