Senior Full-Stack Architect: Lead Scalable Web Apps

CACI Ltd; Greater London; Hybrid; GBP 100,000 - 130,000; Full time

Job summary

CACI Ltd in London is seeking a Senior Full Stack Developer to design, build and maintain modern web applications for a range of clients. You will lead technical direction, mentor teammates and ensure robust, scalable solutions while collaborating with stakeholders to deliver high-quality software.

The role embraces hybrid working, with a strong emphasis on code quality, automated testing and intelligent tooling, including AI-assisted development practices to improve productivity and governance.

Qualifications

• Proven experience delivering web applications for clients.
• Strong technical leadership with ability to mentor engineers.
• Experience with AI-assisted development and modern testing practices.

Responsibilities

• Take a leading role in design, development and delivery of web apps for clients.
• Collaborate with developers, testers, designers, PMs and stakeholders to deliver robust solutions.
• Provide technical leadership to ensure scalable, secure and maintainable systems.
• Write clean, maintainable code and promote coding standards.
• Contribute to architecture decisions and review code within teams.
• Mentor less experienced developers and support their growth.
• Promote automated testing and expand test coverage.
• Investigate complex issues and drive effective solutions.
• Plan projects with estimations, risks and dependencies, breaking work into tasks.
• Participate in client meetings and communicate approaches, progress and blockers.
• Improve development processes and adopt AI-assisted development practices.

Skills

Technical leadership

Web application development

Code quality

Mentoring

AI-assisted development

Tools

Docker

AWS

Azure

REST APIs

CI/CD

Job description

CACI Ltd in London is seeking a Senior Full Stack Developer to design, build and maintain modern web applications for a range of clients. You will lead technical direction, mentor teammates and ensure robust, scalable solutions while collaborating with stakeholders to deliver high-quality software.

The role embraces hybrid working, with a strong emphasis on code quality, automated testing and intelligent tooling, including AI-assisted development practices to improve productivity and governance.