As Senior Full Stack Developer, you’ll play a pivotal role in shaping and enhancing the products that sit at the core of our technology landscape. Working within a cloud-native environment, you’ll design, build, and deliver high-quality solutions across the full technology stack - including front-end applications, back-end services, APIs, and data integrations while promoting engineering best practices and technical excellence.

Collaborating closely with Product, Delivery, and Platform teams, you’ll create secure, scalable, and user-focused applications that support our technology-driven transformation and future growth.

What will you be doing?

• Design, develop, and maintain scalable full-stack applications across the front end, back end, APIs, and data integrations.
• Lead the end-to-end delivery of features, from technical design and architecture through to development, testing, and deployment.
• Produce clean, maintainable, and well-tested code, following modern engineering standards, frameworks, and best practices.
• Partner with Platform and DevOps teams to enable reliable deployments, strong system observability, and efficient CI/CD processes.
• Champion code quality through peer reviews, automated testing, and a continuous improvement mindset.
• Create and maintain technical documentation, contributing to engineering standards and design principles across the team.
• Actively contribute within an Agile Scrum environment, supporting sprint planning, solution design, estimation, and delivery.
• Diagnose and resolve complex technical issues using logs, monitoring, metrics, and tracing tools.
• Influence technical direction and architectural decisions, helping to shape the future of our platforms and products.
• Mentor and support less experienced engineers, sharing knowledge and promoting engineering excellence across the team.

• Proven experience designing, building, and supporting full-stack applications within cloud-native and/or SaaS environments.
• Strong expertise in modern front-end frameworks, ideally React, and component-based development.
• Solid back-end development experience using C# and .NET frameworks.
• Strong understanding of RESTful APIs, API design best practices, and microservices architecture.
• Experience working with Google Cloud Platform (GCP) or another major cloud provider, including managed services and database integrations.
• Strong knowledge of CI/CD pipelines, source control, and release automation practices.
• Experience implementing automated testing, including unit, integration, and end-to-end testing.
• Strong understanding of SQL and NoSQL databases, data modelling, and performance optimisation.
• Knowledge of secure coding practices and application security principles.
• Experience with containerisation technologies such as Docker and orchestration platforms including Cloud Run or Kubernetes.
• Strong debugging, troubleshooting, and problem-solving skills, using logs, metrics, traces, and profiling tools.
• Excellent communication and stakeholder management skills, with the ability to collaborate effectively across engineering, platform, and delivery teams.

• Competitive salary + Bonus
• 25 days annual leave with the option to purchase 5 more.
• Enjoy your birthday off, plus receive an additional 3 days of annual leave once you reach 5 years of service.
• Access to wellbeing and mental health benefits such as the Calm app, personal medical, critical illness cover and dental insurance, plus many more.
• Matched pension contribution up to 10%
• Access to our car benefit scheme
• Access to our online learning platform to continue to develop and grow your career with us
• The chance to join an innovative, fast-paced and passionate team

LibertyBlume a Liberty Global company, is a rapidly growing business services provider, specialising in tech-enabled back-office solutions. Our mission is to deliver efficiency, scale and value to our customers through Business, Procurement and Financial Solutions. If you’re curious, customer centric and enjoy being one step ahead, join us on our scale up journey and unlock your freedom to grow!

Liberty Global is an equal opportunity employer, committed to an inclusive environment and accommodating all candidates. We’re eager to hear from you, no matter your background.