Lead Full Stack Engineer

Overview

As Lead Full Stack Engineer at Atos, you will drive the design and delivery of secure, production‑grade software and AI-enabled solutions for government and enterprise clients. You remain hands‑on across frontend, backend, APIs, data and cloud, while shaping architecture and technical direction. You will tackle complex challenges in security, resilience, performance and cost, guiding teams through ambiguity and delivering real operational impact. You’ll work closely with clients and senior stakeholders to set engineering standards and deliver trusted, scalable systems. This role offers ownership of technically ambitious programs and the chance to shape modern AI‑enabled software in regulated

Responsibilities

• Lead the design and delivery of secure, resilient, production‑grade applications
• Remain hands‑on across frontend, backend, APIs, data, integration, cloud and deployment
• Build AI‑enabled applications and agentic workflows
• Design agent orchestration, retrieval, context, state, memory, permissions and human oversight
• Establish robust AI evaluation, security, reliability, observability and cost
• Solve difficult problems across architecture, performance, scalability and production operations
• Make pragmatic technical decisions based on evidence and explain trade‑offs
• Lead teams through ambiguity and complex delivery
• Raise engineering standards through leadership, mentoring and constructive challenge
• Work closely with clients, architects, product teams and delivery leaders

Key requirements

• Exceptional and recent hands‑on software engineering experience
• A record of personally delivering complex, production‑grade systems
• Deep understanding of how modern systems operate end to end
• Strong system‑design and architecture capability with ability to implement and validate decisions
• Broad experience across frontend, backend, APIs, databases, automated testing, CI/CD, containers and cloud platforms
• Experience diagnosing difficult issues across application, infrastructure and runtime boundaries
• Genuine technology independence and ability to master unfamiliar tools quickly
• Strong judgement across security, performance, reliability, maintainability, observability and cost
• Experience leading and mentoring engineers while remaining technically credible
• Excellent communication and client‑facing skills
• Experience working in government, regulated or complex enterprise environments
• Eligibility and willingness to obtain SC clearance

• Excellent communication
• Client-facing skills
• Mentoring and leadership
• Go
• Java
• C#

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