Senior Platform Engineer

Salary: £50,000 - 90,000 per year

Requirements:

• We have practical experience designing and developing management and control plane capabilities for line of business or SaaS applications, including stack/environment management, API design for platform services, and developer/operator UX.
• We have experience working with or designing Azure stamp-based or scale-unit architectures, including multi-region or multi-tenant deployments, isolation and blast-radius reduction, and automated stamp lifecycle management.
• We have demonstrated experience across the full SaaS development lifecycle, including requirements analysis, estimation, architecture/design, implementation, unit and system testing, deployment, operations, monitoring, and incident management.
• We have a strong grounding in object-oriented design, design patterns, SOLID principles, clean code practices, code review, documentation, and Agile delivery.
• We have hands-on experience with C# and .NET Core/6+ for backend and service development.
• We have strong practical experience with Azure cloud and SaaS services such as Container Apps, AKS, Azure Storage, Azure SQL/Cosmos DB, Key Vault, Azure Monitor, and Log Analytics.
• We have experience designing, building, and operating containerised microservices, including Docker image design, optimisation, Container Apps, Kubernetes deployment and scaling strategies, and Kubernetes configuration, secrets, and traffic management.
• We have experience with IaC using OpenTofu or Terraform on Azure, producing modular, reusable, and maintainable infrastructure definitions.
• We have experience automating environment and stamp provisioning, implementing blue/green or canary deployments, and detecting and remediating infrastructure drift.
• We have hands-on experience building CI/CD pipelines in Azure DevOps, including environments and quality gates.
• We have familiarity with GitHub and GitHub Actions for reusable workflows, build/test/deploy automation, and integration with platform tooling.
• We have experience implementing automated testing for infrastructure and platform components, including IaC unit/integration tests, deployment validation, policy-as-code, and IaC linting.
• We have a strong understanding of cloud and SaaS security best practices, including least privilege, managed identities, secret management, network security, private endpoints, and secure software supply chain practices.
• We have awareness of compliance, data residency, and multi-region considerations in multi-tenant Azure environments.
• We have the ability to run proofs of concept with emerging technologies and present outcomes to both technical and non-technical audiences.
• We are comfortable partnering with application teams to gather requirements and shape platform capabilities.
• Microsoft Azure certifications such as AZ-204, AZ-400, or AZ-305 are highly desirable.
• Kubernetes certifications such as CKA, CKAD, or CKS are highly desirable.
• A degree in Computer Science, Engineering, Mathematics, or equivalent industry experience is highly desirable.
• Experience with high-volume, low-latency SaaS systems is highly desirable.
• Experience with distributed and event-driven architectures such as Azure Service Bus, Event Hubs, Event Grid, or Kafka is highly desirable.
• Experience building multi-tenant architectures, including tenant provisioning, routing, and per-tenant configuration/quota management, is highly desirable.
• Experience with Azure ingress and global routing solutions such as Azure Front Door, Application Gateway, and Azure API Management is highly desirable.
• Experience with identity and access management using Azure AD/Entra ID, B2B, RBAC, OAuth2, OIDC, JWT, and claims-based authorisation is highly desirable.
• Experience in platform engineering or SRE roles, including internal platforms, SLIs/SLOs, error budgets, and observability, is highly desirable.
• Strong awareness of emerging cloud, AI, DevOps, and platform technologies is highly desirable.
• General knowledge of the insurance industry or other regulated domains is highly desirable.

Responsibilities:

• We provide technical input, guidance, and leadership to the team, including code quality, best practices, processes, and some aspects of release management.
• We assist in the design and documentation of solutions that meet functional and non-functional requirements.
• We lead by example through hands-on development and day-to-day delivery work, following best practices for maintainability, testability, and performance.
• We participate in sprint planning meetings, daily stand-ups, and sprint retrospectives, continuously improving team velocity, processes, and engineering practices.
• We coach and mentor colleagues where appropriate, fostering a collaborative and quality-focused engineering culture.

Technologies:

• AI
• API
• Azure
• Backend
• C#
• CI/CD
• Cloud
• Cosmos DB
• DevOps
• Docker
• GitHub
• ICT
• Incident Management
• JWT
• Kafka
• Kubernetes
• Network
• RBAC
• SQL
• Security
• Terraform
• microservices
• UX UI Design
• ASP.NET
• Support

More:

We are a substantial global engineering organisation building market-leading insurance solutions within an Agile team. This is a new role as we continue to grow and accelerate the delivery of innovative technology solutions, with a dedicated focus on the evolution of ICT Platform Infrastructure capabilities that underpin many of our products. We offer a benefits package designed to help you thrive professionally and personally, including 25 days of annual leave plus an extra WTW day, private healthcare, life insurance, group income protection, health assessments, a defined contribution pension with matched contributions up to 10%, hybrid working options, an employee assistance programme, a fully paid volunteer day, and optional perks such as an electric vehicle car scheme, share scheme, cycle-to-work programme, dental and optical cover, and critical illness protection. We are committed to equal employment opportunity and provide adjustments and accommodations throughout the application, interview, and workplace process.

last updated 40 week of 2026