Senior Dev Lead - AI-Enabled Defence Platform

Deloitte (UK); Greater London; On-site; GBP 70,000 - 100,000; Full time

Job summary

Deloitte (UK) is seeking a Senior Developer to provide technical leadership on an AI-enabled Defence tasking platform. The role covers Python/FastAPI backends, React/TypeScript UIs, Camunda workflow orchestration, and secure, scalable microservices designed for Government environments.

You will lead architecture, implement secure coding practices, and mentor cross-functional teams across frontend, backend, and platform workstreams while collaborating with Defence stakeholders and modern

Qualifications

• Significant experience delivering software solutions in MOD, Defence Intelligence, National Security or comparable secure environments.
• Proven experience leading agile software development teams.
• Strong engineering background across Python, FastAPI, REST APIs, React and TypeScript.
• Experience designing and delivering microservice architectures.

Responsibilities

• Lead the design and development of scalable microservice-based applications.
• Define technical architecture, engineering standards and delivery guardrails for the development team.
• Guide implementation of workflow orchestration using BPMN, Camunda 8 and Zeebe-style patterns.
• Provide hands-on leadership across frontend, backend, platform and integration workstreams.
• Ensure the solution is secure, maintainable and suitable for deployment within Government environments.
• Support integration with existing Defence systems, intelligence workflows and platform services.
• Champion DevSecOps, CI/CD, automated testing and secure cloud-native engineering practices.
• Conduct code reviews, mentor team members and support technical assurance activity.
• Champion responsible AI-coding practices combining speed with security and resilience.
• Support customer demos, technical reviews, sprint planning and architecture discussions.

Skills

Python

FastAPI

React

TypeScript

Security

CI/CD

Cloud-native

DMS/Workflow

Agile

Distributed systems

Tools

Camunda 8

Zeebe

BPMN

Kubernetes

Job description

Deloitte (UK) is seeking a Senior Developer to provide technical leadership on an AI-enabled Defence tasking platform. The role covers Python/FastAPI backends, React/TypeScript UIs, Camunda workflow orchestration, and secure, scalable microservices designed for Government environments.

You will lead architecture, implement secure coding practices, and mentor cross-functional teams across frontend, backend, and platform workstreams while collaborating with Defence stakeholders and modern