Staff AI Software Engineer – AI Engineering Platform

MS Companies

Staff Software Engineer developing the AI Engineering Platform used by M&S engineers. Providing technical expertise and guiding software solutions in a collaborative environment.

Posted 6/25/2026full-timeLondon • 🇬🇧 United KingdomLeadWebsite

Tech Stack

Tools & technologies

CloudDistributed Systems

About the role

Key responsibilities & impact

Write, test, and debug code for complex features, distributed systems, or legacy migrations. Lead on designing and optimising deployment pipelines.
Provide technical guidance and support on complex, high-impact projects that align with team objectives, ensuring successful delivery of software solutions, while tackling the hardest technical challenges for the team.
Lead the development of architectural and design solutions for large-scale projects, ensuring that software solutions align with business requirements, long-term technology strategy, and technology standards.
Review and provide constructive feedback on code submissions from team members, ensuring alignment to technical standards, maintainability, and high-quality software.
Communicate and collaborate with a diverse range of collaborators, including senior management and external partners, while leading or starting communities of practice.
Actively mentor and coach engineers at all levels, fostering an environment of continuous learning and growth, while participating in hiring processes and training engineers up to Staff standard.
Demonstrate a production first attitude, continuously considering observability and maintaining Service Level Objectives, while delivering change at pace.
Embrace emerging technologies and trends, and share insights with the organisation, while developing and maintaining the team technology roadmap and leading on the strategic approach to monitoring and maintaining production systems.
Write advanced system and operations documentation and perform advanced internal tech talks to share knowledge and best practices.
Assist with the recruitment and onboarding of new engineers into the organisation

Requirements

What you’ll need

Strong experience in most tech stack areas, from front-end through to back-end
Expert understanding of software development practices
Solid expertise with distributed version controls systems like Git
Proficiency with Test Driven Development, Behaviour Driven Development and non-functional testing
Strong experience of DevOps: you build it, you run it
Knowledge of modern front-end techniques - edge computing, micro-frontends, server components
Experience with developer productivity frameworks such as DORA and SPACE
Advocate of Continuous integration and Continuous Delivery
Experience with cloud engineering and highly scalable applications
Proficiency of documenting software design technical decisions and recommendations
Great leadership and coaching skills with the ability to develop engineering colleagues

Benefits

Comp & perks

20% colleague discount on all M&S products and many third-party brands for you and someone in your household, available once you’ve completed your probation
Competitive holiday allowance with the option to buy more
Discretionary bonus schemes linked to your performance and ours
Strong pension and life assurance to help plan for the future
Tailored induction and training to support your development from day one
Exclusive perks and savings through our M&S Choices portal
Market-leading family policies, including parental, adoption and neonatal leave
24/7 wellbeing support, including virtual GP access and mental health services
One paid volunteer day a year to support a cause that matters to you

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

software development practicesdistributed systemsdeployment pipelinesTest Driven DevelopmentBehaviour Driven Developmentnon-functional testingDevOpscloud engineeringmicro-frontendsdocumenting software design

Soft Skills

leadershipcoachingcommunicationcollaborationmentoringconstructive feedbackcontinuous learningproblem-solvingcommunity buildingtechnical guidance