Senior Full Stack Lead — Build Scalable Web Apps (Hybrid)

CACI Limited; Greater London; Hybrid; GBP 90,000 - 120,000; Full time

Job summary

ACCI Limited is seeking a Senior Full Stack Developer in London to lead design and delivery of modern web applications for diverse clients. You will mentor peers, drive code quality, and advocate automated testing in a hybrid work setting.

You will collaborate with cross-functional teams, contribute to architecture decisions, and explore AI-assisted development to improve productivity while maintaining security and maintainability.

Qualifications

• Take a leading role in the design, development and delivery of high-quality web applications for a range of clients.
• Work closely with developers, testers, designers, project managers and client stakeholders to deliver robust and effective technical solutions.
• Provide technical leadership within project teams, helping to make sound technical decisions and ensuring solutions are scalable, secure and maintainable.
• Write clean, well-structured and maintainable code, setting a strong example for development best practices and coding standards.
• Contribute to application architecture and technical design, working with the wider team to make appropriate technology and implementation decisions.
• Lead and contribute to code reviews, helping to maintain quality and supporting the development of other team members.
• Mentor and support less experienced developers, helping them develop their technical skills, confidence and problem-solving abilities.
• Advocate for automated testing and work closely with QA and developers to improve and extend automated test coverage.
• Investigate complex technical issues and take ownership of identifying and delivering effective solutions.
• Provide technical input into project planning, including estimations, identifying risks and dependencies, and breaking down complex work into clear, actionable tasks.
• Participate in client meetings, clearly communicating technical approaches, progress, risks and potential blockers.
• Help establish and continuously improve development standards, processes and best practices across the team.
• Use AI-assisted development tools to improve productivity and support activities such as coding, debugging, testing, documentation and technical research.
• Help establish good practices for the responsible use of AI-assisted development, ensuring AI-generated outputs are understood, reviewed, tested and meet appropriate standards for security, quality and maintainability.
• Stay up to date with emerging technologies and approaches, including developments in AI-assisted software engineering, and identify opportunities where they could provide value.

Responsibilities

• Take a leading role in the design, development and delivery of high-quality web applications for a range of clients.
• Work closely with developers, testers, designers, project managers and client stakeholders to deliver robust and effective technical solutions.
• Provide technical leadership within project teams, helping to make sound technical decisions and ensuring solutions are scalable, secure and maintainable.
• Write clean, well-structured and maintainable code, setting a strong example for development best practices and coding standards.
• Contribute to application architecture and technical design, working with the wider team to make appropriate technology and implementation decisions.
• Lead and contribute to code reviews, helping to maintain quality and supporting the development of other team members.
• Mentor and support less experienced developers, helping them develop their technical skills, confidence and problem-solving abilities.
• Advocate for automated testing and work closely with QA and developers to improve and extend automated test coverage.
• Investigate complex technical issues and take ownership of identifying and delivering effective solutions.
• Provide technical input into project planning, including estimations, identifying risks and dependencies, and breaking down complex work into clear, actionable tasks.
• Participate in client meetings, clearly communicating technical approaches, progress, risks and potential blockers.
• Help establish and continuously improve development standards, processes and best practices across the team.
• Use AI-assisted development tools to improve productivity and support activities such as coding, debugging, testing, documentation and technical research.
• Help establish good practices for the responsible use of AI-assisted development, ensuring AI-generated outputs are understood, reviewed, tested and meet appropriate standards for security, quality and maintainability.
• Stay up to date with emerging technologies and approaches, including developments in AI-assisted software engineering, and identify opportunities where they could provide value.

Skills

Lead design and delivery

Technical leadership

Code reviews

Mentoring teammates

Automated testing

AI-assisted development

Problem solving

Client collaboration

Estimations and planning

Tools

Docker

Cloud platforms (AWS/Azure)

RESTful APIs

Performance optimisation

React Native

Job description

ACCI Limited is seeking a Senior Full Stack Developer in London to lead design and delivery of modern web applications for diverse clients. You will mentor peers, drive code quality, and advocate automated testing in a hybrid work setting.

You will collaborate with cross-functional teams, contribute to architecture decisions, and explore AI-assisted development to improve productivity while maintaining security and maintainability.