Principal Artificial Intelligence (AI) Platform Engineer/Architect at WTW CO

Reigate, England, United Kingdom -

Full Time

Start Date

Immediate

Expiry Date

12 Jul, 26

Salary

0.0

Posted On

13 Apr, 26

Experience

10 year(s) or above

Remote Job

Yes

Telecommute

Yes

Sponsor Visa

Skills

Artificial Intelligence, Platform Engineering, Software Development Life Cycle, LLMs, GenAI, System Design, Cloud Infrastructure, Python, C#, JavaScript, TypeScript, CI/CD, RAG Architectures, Prompt Engineering, Observability, API Design

Industry

Financial Services

Description

We are looking for an AI Platform Engineer to drive our vision of AI-augmented engineering across our enterprise of 500+ engineers. In this role, you will empower our highly skilled workforce to deliver high-quality value to our clients faster and with a better Developer Experience (DevEx) than ever before. We need someone who combines deep technical expertise with practical platform engineering to create the scalable infrastructure, processes, and tooling that enable our teams to integrate AI into their development workflows safely and seamlessly. Acting as both architect and hands-on builder, you will articulate our vision for AI-accelerated development practices, design platforms that embed AI at every phase of the SDLC, and champion adoption across our organization. We are seeking a highly skilled engineer who has recently specialized into AI technologies and can confidently guide our teams on both architecture and implementation. The Role * Define and evolve the vision for AI-enabled SDLC practices, translating business and technical strategy into concrete platform capabilities and processes * Design and implement scalable AI platform infrastructure (SDKs, frameworks, deployment pipelines) that enables rapid, safe integration of AI into all phases of development—from coding and testing to deployment and monitoring * Build operational processes, templates, and playbooks that guide teams through AI implementation while maintaining consistency, quality, and auditability * Partner with teams across the organization to operationalize AI tools for SDLC acceleration (e.g., copilot-style code generation, test automation, documentation, performance analysis) * Create and maintain self-service tooling for model evaluation, prompt engineering, A/B testing, monitoring, and compliance validation * Establish and evolve patterns for data pipeline management, RAG/retrieval design, model versioning, endpoint management, and agentic orchestration * Develop comprehensive documentation, architectural guidance, runbooks, and examples that reduce onboarding time and accelerate team adoption * Evangelize AI-enabled practices through presentations, office hours, and direct team engagement—building credibility and driving adoption across the organization * Provide escalation pathways for architecture questions and unblock teams on complex integration challenges * Implement monitoring, observability, and governance systems that provide transparency without creating bottlenecks * Collaborate with security, compliance, and data teams to embed safety guardrails into platform capabilities * Participate in incident response and continuously harden the platform based on production learnings

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Responsibilities

You will define the vision for AI-enabled SDLC practices and build scalable infrastructure to integrate AI into development workflows. You will also act as a technical leader, evangelizing AI adoption and providing architectural guidance across the enterprise.