Site Reliability Engineer - Frontend

Salary: £43,000 - 83,000 per year

Requirements:

• Experience managing public cloud environments.
• Proficiency in writing, managing, and optimising infrastructure as code, including Terraform.
• Experience using CI/CD tools, building pipelines, templates, and troubleshooting.
• Proficiency with containerisation technologies such as Kubernetes and Docker.
• Experience building and deploying frontend applications with tools such as CodeMagic.
• Knowledge or experience with Google Firebase.
• Experience working with a cloud monitoring solution.
• Proficiency in at least one scripting language such as Python, PowerShell, or Go.
• Strong communication skills and the ability to collaborate effectively.
• Proven software development background.

Responsibilities:

• Manage and automate resources in Azure, Datadog, NGINX, and Cloudflare.
• Develop, deploy, and monitor Kubernetes and serverless resources.
• Build, manage, and evolve infrastructure as code using Terraform, Helm, and Go CRDs.
• Improve systems, processes, and technologies by consulting stakeholders to enhance platform performance.
• Design and maintain comprehensive monitoring and alerting strategies using Datadog.
• Get involved in new application architecture and design processes.
• Design solutions to reduce toil, automate repetitive tasks, and streamline workflows.
• Create SLIs and SLOs and increase application visibility.
• Align with the Product team on SLAs and core service objectives.
• Collaborate with foundational teams to build and maintain reusable, automated solutions.
• Optimise CI/CD pipelines and developer workflows using Azure DevOps, Github, Octopus Deploy, MirrorD, and Flux.
• Lead incident response, including communications, investigations, remediation, and post-mortems to protect the customer experience.

Technologies:

• Azure
• Backend
• CI/CD
• Cloud
• Datadog
• DevOps
• Docker
• Embedded
• Firebase
• Frontend
• GitHub
• Helm
• Support
• Kubernetes
• Nginx
• PowerShell
• Python
• Serverless
• Terraform
• XP
• UX UI Design
• Mobile
• REST
• Web

More:

Were Capital on Tap, a financial platform built to support small businesses. We offer a business credit card, SME-focused spend management platform, a savings product, and a growing suite of tools and financial products designed to make running a small business easier. We have 1,000+ employees, 200,000+ customers, 20bn in annual card spend, and 17,000+ Trustpilot reviews averaging 4.7 stars, and we are profitable. This hybrid role is based in London, Old Street, with 2 days in the office. We run a hybrid embedded SRE model within XP, our engineering group that builds the shared UI frameworks, backend-for-frontend layer, internal developer platform, and shared backend libraries that help product teams ship quickly and safely. Our office includes a pool table, arcade machine, beer tap, and office dogs, and we offer private healthcare, travel insurance, anniversary rewards, pension matching, 28 days holiday plus bank holidays, learning and wellbeing budget, enhanced parental leave, cycle to work, season ticket loan, therapy sessions, dog-friendly offices, and free drinks and snacks.

last updated 34 week of 2026