Staff Machine Learning Engineer in Nationwide

This is a senior hands-on leadership position where you’ll own the execution of the company’s machine learning platform, working closely with research, software engineering and product teams to build scalable, production-grade AI solutions.

Responsibilities

• Own the end-to-end machine learning lifecycle, including data pipelines, model training, evaluation, inference and deployment.

• Fine-tune and optimise large models using modern techniques such as LoRA, QLoRA, supervised fine-tuning, preference optimisation and model distillation.

• Design scalable inference infrastructure with a focus on latency, reliability and operational efficiency.

• Build and maintain high-quality data pipelines for both synthetic and real-world datasets.

• Develop robust evaluation frameworks covering model quality, robustness, safety and performance.

• Optimise GPU utilisation, memory usage and inference performance for production deployments.

• Work closely with software engineers to integrate ML capabilities into backend services and customer-facing products.

• Lead technical delivery, mentor engineers and help shape engineering best practices.

• Balance research ambitions with practical engineering trade-offs to deliver value quickly.

Technology

• Python

• PyTorch and/or JAX

• Large-scale GPU training and inference infrastructure

• Modern ML deployment pipelines

• Proven experience delivering machine learning systems into production.

• Strong understanding of modern foundation models and large models.

• Experience building scalable training and inference infrastructure.

• Excellent software engineering skills with a focus on maintainable, production-quality code.

• Comfortable leading technical delivery while remaining hands-on.

• Strong communication skills and the ability to collaborate across research, engineering and product teams.

Hexwired Recruitment has partnered with an exciting AI software company developing advanced machine learning products that solve complex, real-world problems. They’re looking for a Technical Lead to bridge research and engineering, taking cutting-edge models from experimentation into robust production systems., If you are an experienced Staff Machine Learning Engineer looking for a new remote opportunity paying a market-leading salary up to £200,000. Apply today by contacting Hexwired Recruitment.

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