Lead Full-Stack Engineer: AI, Security & Scalable Systems

Atos SE; Greater London; Hybrid; GBP 90,000 - 130,000; Full time

Job summary

Atos is seeking a Lead Full Stack Engineer to shape secure, AI-enabled, production-grade software for government and enterprise clients. You will write production code, own delivery, and set engineering standards while remaining hands-on.

Eligibility to obtain SC clearance is required or can be demonstrated quickly; you will mentor teams, design complex systems, and influence technical strategy across frontend, backend, APIs, and cloud platforms.

Qualifications

• Proven hands-on software engineering experience across frontend, backend and integrations.
• Strong system-design capabilities with end-to-end ownership.
• Experience delivering AI-enabled production systems in regulated environments.

Responsibilities

• Lead design and delivery of secure, resilient applications.
• Remain hands-on across frontend, backend, APIs, data, and cloud.
• Build and evaluate AI-enabled workflows and agentic capabilities.
• Set engineering standards and best practices for multiple teams.
• Mentor engineers and guide teams through complex delivery.
• Collaborate with clients, architects and product leaders to ensure outcomes.

Skills

Hands-on engineering

System design

AI-enabled software

SC clearance eligibility

Tools

CI/CD

Docker

Kubernetes

Cloud platforms

Job description

Atos is seeking a Lead Full Stack Engineer to shape secure, AI-enabled, production-grade software for government and enterprise clients. You will write production code, own delivery, and set engineering standards while remaining hands-on.

Eligibility to obtain SC clearance is required or can be demonstrated quickly; you will mentor teams, design complex systems, and influence technical strategy across frontend, backend, APIs, and cloud platforms.