Senior Full-Stack Engineer — AI-Driven Large-Scale Systems

Atos; Greater London; On-site; GBP 80,000 - 110,000; Full time

Benefits offered by this job

25 days annual leave

Private Healthcare

Life Assurance

Income Protection

Pension contribution matched up to 10%

Flexible benefits

Job summary

Atos is seeking a Senior Full Stack Engineer to join our Gen AI team in the UK. You will design, build and deploy scalable software across multiple stacks, collaborating with clients and internal stakeholders to deliver end-to-end solutions.

This role offers exposure to AI-driven projects, fintech payments, and global insurance platforms, with a culture that emphasises curiosity, collaboration, and continuous learning. Security clearance or the ability to obtain SC is required.

Qualifications

• Proven track record in full stack development.
• Experience designing systems and software architecture.
• Strong communication with clients and distributed teams.

Responsibilities

• Design, build, and deploy scalable, high‑quality systems.
• Translate business and client requirements into technical solutions.
• Work directly with clients, moving quickly from concept to production.
• Lead by example through hands‑on development.
• Contribute to architectural decisions across multiple teams.
• Mentor engineers while remaining deeply involved in delivery.

Skills

Full stack development

System design

Multiple tech stacks

C++, Java, C#, Go, Rust

Client-facing communication

Job description

Atos is seeking a Senior Full Stack Engineer to join our Gen AI team in the UK. You will design, build and deploy scalable software across multiple stacks, collaborating with clients and internal stakeholders to deliver end-to-end solutions.

This role offers exposure to AI-driven projects, fintech payments, and global insurance platforms, with a culture that emphasises curiosity, collaboration, and continuous learning. Security clearance or the ability to obtain SC is required.