Remote: UK, ideally London (no visa sponsorship)
Our client is a specialist Google Cloud consultancy founded by ex-Google Cloud engineers and leaders. They embed with customer teams to take AI from prototype to production at scale.
AI/ML is their fastest-growing practice, and they need a Principal ML Architect to anchor it. You’ll start as a hands-on senior IC. As the practice grows, you’ll have a clear path to building and leading a team of ML specialists.
What you’ll do
- Architect end-to-end ML platforms on GCP (Vertex AI, GKE, TPUs/GPUs, BigQuery), covering training, serving, MLOps and monitoring.
- Optimise large-scale training and fine-tuning (JAX, PyTorch/XLA, LoRA) and high-throughput inference (vLLM, TensorRT-LLM, quantisation).
- Design production agentic systems (LangGraph, Google ADK) with strong evaluation and guardrails.
- Build private, GDPR-aligned, data-sovereign AI for European customers.
- Own solution economics through capacity planning, cost optimisation and ROI.
- Lead technical pre-sales and act as the senior voice with CTOs and Heads of ML.
- Mentor engineers now, and in time hire and lead a dedicated ML team.
What you’ll bring
- Significant experience as a Principal/Senior ML Architect or Staff+ ML Engineer, with production ML systems that delivered measurable impact.
- Strong architecture skills across scale, security, reliability and cost.
- Deep hands-on GCP ML experience (Vertex AI, GKE, TPUs) is strongly preferred. Exceptional AWS or Azure architects will be considered.
- Expertise in LLM optimisation, distributed training and high-performance serving.
- Solid MLOps foundations and experience running agentic workflows in production.
- Clear communication with engineers and executives, and an ambition to lead a team.
Location & Travel
- Based: UK, ideally London or Greater London
- Remote: Primarily remote, with flexibility for occasional travel to meet clients, partners, and team members (conferences, offsites, collaborative sessions)
About Nelly Works
Nelly Works is aa specialist talent consultancy focusing in recruiting senior technical and commercial talent for high-growth deep tech, cloud and AI-focused organizations. We understand the nuances of building world-class teams and match exceptional talent with the right opportunities.
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