Salary: £69,000 - 109,000 per year Requirements: We are looking for strong experience with AWS cloud services and infrastructure automation. We need hands-on expertise with Terraform, Ansible and containerisation such as Docker. We require strong Python development skills, including scripting and Lambda functions. We need experience building and managing CI/CD pipelines, ideally with GitHub Actions. We are looking for experience with monitoring and observability tools such as AppDynamics, Grafana, InfluxDB, Graphite, Sensu or similar. We need experience working with serverless architectures, including Lambda, API Gateway, DynamoDB and EventBridge. We require solid understanding of Linux or Unix administration and troubleshooting. We need knowledge of networking fundamentals, including TCP/IP, HTTP/S, APIs and encryption. We value familiarity with collaboration tools such as JIRA and Confluence. Exposure to modern development stacks such as Node.js, Java or similar is beneficial. Understanding of infrastructure services such as Consul, Vault or ServiceNow ITOM is beneficial. We are looking for strong communication, problem-solving and analytical thinking skills. Relevant experience in a senior developer, infrastructure, DevOps or automation-focused role is essential. We encourage candidates with equivalent job titles and transferable experience to apply. Responsibilities: We will rely on you to design, deploy and manage automation and monitoring platforms that support large-scale applications and services. You will build and maintain monitoring, alerting and observability tooling across our platform. You will create dashboards that translate complex technical data into meaningful insights for stakeholders. You will develop automation to integrate new systems using our existing frameworks. You will manage and configure automated job scheduling and platform workflows. You will build GitHub Actions pipelines to deploy code across test and production environments. You will drive best practices around security, compliance, reliability and cost optimisation. You will support capacity planning and troubleshooting across complex infrastructure environments. You will work with technical leads and delivery teams to break down work into manageable tasks and stories. You will collaborate with product owners, analysts and engineers to shape and prioritise the development backlog. Technologies: API AWS Lambda Ansible CI/CD Cloud Confluence DevOps Docker GitHub Grafana Graphite HTTP Support JIRA Java Linux Python Security Serverless ServiceNow TCP/IP Terraform Unix NodeJS More: We are a major UK organisation responsible for one of the countrys most recognised digital platforms, and we are undergoing a large-scale technology transformation. We are hiring a Senior Developer to help design, automate and support the infrastructure behind critical services used by millions. This is a hybrid role based in Watford, with three days per week in the office, and offers a package of up to £80,000 per year plus benefits. Our benefits include an annual company bonus scheme, matched pension contributions up to 8.5%, 26 days annual leave plus additional wellbeing days and bank holidays, private medical cover and life assurance, enhanced maternity and paternity leave, and a £500 annual wellbeing allowance. We also offer access to nutrition advice, personal training, health assessments, financial coaching and wider wellbeing support. You will join a collaborative culture focused on innovation, inclusion and continuous improvement, where your work will contribute to technology transformation with real societal impact. last updated 24 week of 2026