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Principal Engineer - AI

London - Office💼 Full-time🗓 2026-09-02 → 2026-09-25

Core

Lead the architecture, design, and deployment of scalable Generative AI and Machine Learning systems into production environments to empower business users to leverage GenAI within planning workflows.

Role type

Principal Engineer, AI (Hands-on IC)

Builds

Production-ready GenAI features, backend API services, conversational interfaces, and agentic workflows for business planning.

Domain

Enterprise SaaS / Business Planning / Generative AI

Deliverable

production ML models | product features

Required skills

End-to-end ML model lifecycle development, LLM API integration, prompt engineering, RAG implementation, MLOps/LLMOps, agentic frameworks, Python, CI/CD

Preferred skills

Fine-tuning LLMs for enterprise apps, cloud-native ML infrastructure, vector databases (Pinecone, Weaviate, Qdrant), model serving frameworks (vLLM, TensorRT, Ray), A/B testing frameworks, model observability tools (LangSmith, W&B, MLflow)

Technologies

Python, LLM APIs, RAG, vLLM, TensorRT, Ray, Pinecone, Weaviate, Qdrant, LangSmith, W&B, MLflow

Responsibilities

Lead architecture and deployment of scalable GenAI/ML systems; Develop end-to-end GenAI features including backend APIs and model monitoring; Integrate and optimize LLMs for business planning use cases; Build conversational interfaces and agentic workflows; Implement evaluation frameworks for GenAI quality; Design APIs for AI capabilities and third-party integrations; Optimize model inference pipelines for performance and cost; Collaborate with data scientists to productionize ML models.

Seniority

Principal, hands-on IC

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