Senior AI Engineer

Senior Machine Learning Engineer (LLMs & Agentic AI)

All candidates must be eligible to work in the UK - Visa Sponsorship is not available.

We’re partnered with a high-growth technology company building production AI systems that turn large-scale, unstructured data into actionable intelligence.

This role sits within a strong AI/ML team working on LLMs, RAG, and agent-based systems used in real-world decision-making environments.

• Build and fine-tune LLM-powered systems for reasoning and multi-step workflows
• Design agentic AI architectures using modern frameworks (e.g. Lang Graph)
• Develop scalable RAG pipelines and semantic search with vector databases
• Ship production ML APIs and services for real-time inference
• Own deployment, monitoring, evaluation, and cost/latency optimisation
• Work closely with product and domain experts to deliver practical ML solutions

• Strong Python experience with PyTorch and/or Tensor Flow
• Hands‑on experience with LLM frameworks (Lang Chain, Lang Graph, Auto Gen, etc.)
• Proven experience with RAG systems and vector databases
• Solid understanding of distributed systems, microservices, and data pipelines
• Experience deploying and operating ML systems in production

• Real‑world AI systems (not research or demos)
• High ownership and technical impact
• Hybrid working and a modern engineering culture

Interested? Submit your CV for full info, or reach out to Carol Donnelly on

Mid‑Senior level

Full-time

Information Technology

Staffing and Recruiting

Belfast, Northern Ireland, United Kingdom

£50,000.00-£70,000.00