DevEx Platform Lead in City of Westminster

Alter Domus is seeking a DevEx Platform Lead to drive the strategy, architecture, and enablement of our internal developer platform and platform engineering practice adoption. This role focuses on empowering engineering teams through world‑class platform services, developer experience, and infrastructure automation across Azure and AWS environments.

Platform Strategy & Architecture

• Define and execute the developer platform roadmap, aligning infrastructure capabilities with business and engineering objectives.
• Architect and evolve cloud‑native platform solutions on Azure and AWS that enable self‑service, scalability and security.
• Establish platform engineering standards, reference architectures, and best practices across the organization.
• Evaluate and integrate emerging technologies and tools to continuously improve the developer experience.

Infrastructure & DevOps

• Design, implement, and manage secure, scalable cloud infrastructure on Azure and AWS.
• Lead the development and maintenance of CI/CD pipelines, deployment automation, and infrastructure‑as‑code practices using tools such as Git, Azure/GitHub, Pipelines and Terraform.
• Drive DevOps transformation through advanced deployment strategies including A/B testing, canary deployments, progressive delivery and circuit‑breaking patterns.
• Oversee Kubernetes, Helm, Service Meshes and other cloud‑native technologies, including container orchestration, serverless computing and event‑driven architectures.

Developer Experience & Enablement

• Build and maintain internal developer platforms (e.g. Backstage or similar portal solutions) that serve as golden paths for teams.
• Create comprehensive documentation, training programmes and enablement resources to accelerate developer onboarding and productivity.
• Implement and maintain reusable CI/CD pipeline templates, workflows and automation that enhance development velocity.
• Provide hands‑on technical guidance, support and troubleshooting assistance to development teams.

Platform Operations & Reliability

• Establish and monitor platform SLIs, SLOs and error budgets to ensure high availability and performance.
• Implement DORA metrics tracking (deployment frequency, lead time, MTTR, change‑failure rate) and drive continuous improvement initiatives.
• Create scripts and automation using Python, Go and Bash to improve operational efficiency and reduce toil.
• Ensure platform security, compliance and governance standards are maintained across all environments.

GenAI & Modern Development Tools Integration

• Integrate GenAI tooling (Amazon Q, Claude Code, GitHub Copilot, etc.) into developer workflows to enhance productivity and code quality.
• Evaluate and implement AI‑assisted development tools that improve developer experience.
• Drive adoption of modern development practices through platform capabilities.

Team Collaboration

• Collaborate with cross‑functional engineering teams to understand platform requirements and pain points.
• Standardise and enhance deployment strategies, cloud architectures and infrastructure patterns.
• Partner with security, compliance and operations teams to ensure platform meets organisational standards.
• Mentor and guide engineers on platform engineering, DevOps and cloud‑native best practices.

We are in the business of equity, in every sense of the word. For us, this means taking action to ensure every colleague has equal opportunity, valuing every voice and experience across our organisation, maintaining an inclusive culture where you can bring your whole self to work, and making Alter Domus a workplace where everyone feels they belong. We celebrate our differences and understand that our success relies on diverse perspectives and experiences, working towards shared goals and a common purpose. We take pride in creating a workplace where all our people are empowered to be truly invested in the alternative and bring their whole selves to work. We are committed to ensuring a welcoming recruiting and onboarding process for everyone. Please contact our hiring team if you require any accommodations to make our recruitment process more accessible for you.

Technical Expertise

• Cloud Platforms: Deep expertise in Azure and AWS, including infrastructure design, security, networking and cost optimisation.
• Container Orchestration: Advanced experience with Kubernetes, Helm, Service Meshes, Istio and other cloud‑native architectures.
• Infrastructure as Code: Proficiency with Terraform, ARM templates, CloudFormation or similar tools.
• CI/CD & DevOps: Strong experience building and managing CI/CD pipelines using Azure DevOps, GitHub Actions, GitLab CI or Jenkins.
• Scripting & Automation: Proficiency in Python, Go, Bash or similar languages for automation and tooling.
• Platform Engineering: Experience with developer portals (Backstage, etc.) and internal platform development.

Leadership & Strategy

• Proven track record leading platform engineering or DevOps initiatives in complex, multi‑team environments.
• Strong architectural vision with ability to balance technical excellence with business pragmatism.
• Experience defining and executing technical roadmaps aligned with organisational goals.
• Ability to influence and drive adoption of platform standards across engineering teams.

Developer Experience Focus

• Deep understanding of developer workflows, pain points and productivity blockers.
• Passion for creating self‑service capabilities and reducing cognitive load for developers.
• Experience measuring and improving developer experience through metrics and feedback.
• Strong technical writing and documentation skills.

Security & Compliance

• Understanding of cloud security best practices, compliance frameworks and governance.
• Experience implementing security controls, secrets management and access policies.
• Knowledge of infrastructure security scanning, vulnerability management and remediation.

Preferred Qualifications

• Experience with event‑driven architectures, serverless computing (Lambda, Azure Functions) and modern application patterns.
• Familiarity with observability tools (Prometheus, Grafana, Datadog, New Relic) and platform monitoring.
• Knowledge of service mesh technologies (Istio, Linkerd, Consul).
• Experience with policy‑as‑code tools (OPA, Sentinel, Kyverno).
• Contributions to open‑source platform engineering or DevOps projects.
• Certifications: Azure Solutions Architect, AWS Solutions Architect, CKA/CKAD or similar.

Success Metrics

• Developer productivity improvements (reduced deployment time, increased deployment frequency).
• Platform adoption and self‑service usage across engineering teams.
• DORA metrics improvement (lead time, deployment frequency, MTTR, change‑failure rate).
• Reduction in platform‑related incidents and operational toil.
• Developer satisfaction scores and platform NPS.

As a world leading provider of integrated solutions for the alternative investment industry, Alter Domus is proud to be home to 90% of the top 30 asset managers in the private markets, and more than 6,000 professionals across 24 jurisdictions. With a deep understanding of what it takes to succeed in alternatives, we believe in being different—what we do, how we work and, most importantly, how we enable and develop our people. Invest yourself in the alternative, and join an organisation where you progress on merit, where you can speak openly with whoever you are speaking to, and where you will be supported along whichever path you choose to take. Find out more about life at Alter Domus at careers.alterdomus.com.

Benefits

• Support for professional accreditations such as ACCA and study leave.
• Flexible arrangements, generous holidays and an additional day off for your birthday!
• Continuous mentoring along your career progression.
• Active sports, events and social committees across our offices.
• 24/7 support available through our Employee Assistance Programme.
• The opportunity to invest in our growth and success through our Employee Share Plan.
• Plus additional local benefits depending on your location.