Senior Full Stack Engineer

We're looking for a Lead Full Stack Engineer to join us in London
You will join Liberty Global's AI Platform team in London, working directly with the VP Software Engineering to build and evolve the next generation platforms that power AI driven experiences across our business.
This is a hands on technical leadership role for someone who enjoys solving complex engineering challenges and influencing how platforms are designed and built. As one of the most senior engineers in the team, you will help shape architectural decisions, define engineering standards and build production software that operates securely and reliably at enterprise scale.
You will work across the full technology stack, from customer-facing experiences and APIs through to cloud infrastructure and platform services. Alongside designing and building critical capabilities, you will lead technical discussions, review engineering decisions and help ensure the solutions we create are scalable, maintainable and ready to support millions of customers across multiple markets.
This is an opportunity to have a genuine impact on a strategic AI platform while remaining close to the technology, the architecture and the code. The platform you help build will support some of Liberty Global's most important future capabilities.
What will you be doing?
Design, build and own critical platform capabilities across frontend applications, backend services, APIs and cloud infrastructure
Lead architecture reviews and technical design sessions, ensuring solutions are scalable, secure and maintainable
Deliver production quality software from concept through to deployment and operational support
Evaluate complex technical challenges and recommend solutions that balance performance, reliability, scalability and long term platform health
Review and challenge technical designs and code produced by delivery partners, identifying risks and opportunities for improvement
Champion engineering excellence across code quality, testing, continuous delivery, security, observability and platform reliability
Collaborate closely with AI, Machine Learning, Product, Infrastructure and DevOps teams to deliver integrated platform capabilities and share knowledge across the engineering organisation
We tend to look for people with:
Deep expertise across full stack software engineering, including frontend technologies, backend services, APIs, databases and infrastructure as code
Strong knowledge of distributed systems and cloud native architectures
Experience designing and delivering complex platforms operating at enterprise scale
Strong cloud engineering experience within AWS, Azure or GCP environments
Experience working with Kubernetes and modern platform engineering practices
Strong architecture review and code review capability, with the ability to provide constructive technical guidance
Ability to translate complex architectural requirements into practical engineering solutions
Experience working with delivery partners, vendors or systems integrators
Strong communication and collaboration skills, with the ability to influence technical decisions across teams
Experience building or contributing to AI and Machine Learning platforms
Experience integrating large language models, speech technologies or multimodal AI solutions into production environments
Familiarity with AI orchestration frameworks, intelligent workflows and emerging AI technologies
Experience with data platforms and infrastructure that support AI workloads
Knowledge of monitoring, observability and continuous delivery practices
Experience within telecommunications or other large scale customer facing digital platforms
What's in it for you?
Competitive salary and bonus, where applicable
25 days annual leave with the option to purchase 5 additional days
Access to wellbeing and mental health benefits, including the Calm app, personal medical cover, critical illness cover and dental insurance
Matched pension contribution up to 10% for UK employees
24 hours of paid Volunteer Time Off
Discounted gym and wellness memberships
Access to our car benefit scheme
Access to our online learning platform to continue developing your career
The opportunity to join an innovative, collaborative and highly skilled technology team
Who we are:
Join Liberty Global and Shape Tomorrow’s Connections Today!
Liberty Global is a team of experienced operators and investors across telecom, media, and tech. We create value through the strategic management of two core platforms: Liberty Telecom and Liberty Growth.
Liberty Telecom is a world leader in converged broadband, video and mobile communications, providing approximately 80 million fixed and mobile connections across Europe through leading brands, such as Virgin Media O2, VodafoneZiggo, and Telenet.
Liberty Growth invests in scalable businesses across the technology, media, sports, and infrastructure sectors, with a portfolio of around 70 companies, including ITV, Formula E, AtlasEdge, and Egg.
If you're entrepreneurial and thrive on challenges, join our high-performing team and Grow with Us. Liberty Global is an equal opportunity employer committed to creating an inclusive workplace where everyone can succeed. We welcome people from all backgrounds and encourage those who bring fresh perspectives, diverse experiences and bold ideas to apply.