Staff AI Engineer | Contract | London

Myn; Greater London; On-site; GBP 148,000 - 166,000; Full time

Job summary

Myn is recruiting a Staff AI Engineer for a senior contract in London to lead LLM/GenAI projects end to end, setting the technical direction and overseeing architecture and production systems.

You will build scalable AI/ML solutions with strong MLOps, drive evaluation and governance, and mentor engineers while engaging with senior stakeholders to ensure impact and safe delivery.

Qualifications

• 8–12 years' software or ML engineering experience, with 3–5 years shipping production AI/ML at senior or staff level.
• Track record of leading complex AI projects from problem definition to production impact.
• Experience with PyTorch or TensorFlow and modern LLM tooling.
• MLOps and cloud production experience including containers, CI/CD and monitoring.

Responsibilities

• Define the technical strategy and architecture for AI products and platforms.
• Lead delivery of production AI systems, including LLM applications, RAG, agents and fine-tuned models.
• Build evaluation frameworks and quality gates, including offline benchmarks and online experimentation.
• Architect scalable inference, data and MLOps infrastructure, optimising latency, reliability and cost.
• Lead build-versus-buy decisions and present trade-offs to senior stakeholders.
• Establish responsible AI practice across safety, bias testing, privacy and governance.
• Mentor engineers and raise the technical bar through design and code reviews.

Skills

Python

ML engineering

Production ML

Communication

Mentoring

Education

MSc/PhD in a related field

Tools

PyTorch

TensorFlow

Docker

Kubernetes

CI/CD

Job description

We're recruiting a Staff AI Engineer for a senior contract role leading LLM/GenAI, agentic systems and production ML. You'll set technical direction, architect and deliver high-impact AI systems end to end, raise engineering standards and mentor other engineers, working with a high degree of autonomy on business-critical problems.

Location: London, UK
Day rate: £800–£900 per day (IR35 status to be confirmed)
Contract: Initial 6–12 months, likely extension

What you'll do:

• Define the technical strategy and architecture for AI products and platforms
• Lead delivery of production AI systems, including LLM applications, RAG, agents and fine-tuned models
• Build evaluation frameworks and quality gates, including offline benchmarks and online experimentation
• Architect scalable inference, data and MLOps infrastructure, optimising latency, reliability and cost
• Lead build-versus-buy and model/vendor decisions, presenting trade-offs to senior stakeholders
• Establish responsible AI practice across safety, bias testing, privacy and governance
• Mentor engineers and raise the technical bar through design and code reviews

What you'll bring:

• 8–12 years' software or ML engineering experience, with 3–5 years shipping production AI/ML at senior or staff level
• Track record of leading complex AI projects from problem definition to production impact
• Expert Python skills and deep experience with PyTorch or TensorFlow and modern LLM tooling
• Strong experience designing evaluation methods for ML and LLM-based systems
• Proven MLOps and cloud production experience, including containers, CI/CD and monitoring
• Excellent communication and influencing skills with senior stakeholders
• Right to work in the UK

Desirable: agentic systems, RAG, fine-tuning and vector search; MSc/PhD or published research and open-source contributions; Spark, Databricks, Snowflake or Kafka; regulated environments.