Senior Machine Learning Engineer (LLMs & Agentic AI)
Location:
Belfast (Hybrid, 2-days a week in office)
Salary:
£50,000 - £70,000
The Role
Join a high-impact AI/ML team building production-grade systems using
Large Language Models, RAG, and agentic AI frameworks
. You'll design intelligent workflows that turn large-scale, noisy, unstructured data into actionable insights used by analysts and customers in real time.
What You'll Do
* Build and fine-tune
LLM-powered systems
for reasoning, orchestration, and decision-making
* Design
agentic workflows
using modern frameworks (e.g. LangGraph / LangChain)
* Develop
RAG pipelines
, vector search, and semantic retrieval at scale
* Architect and ship
production ML services
and APIs
* Own
deployment, monitoring, evaluation, and optimisation
(accuracy, latency, cost)
* Work closely with product and domain experts to deliver real-world impact
What You Bring
* Strong
Python
and production ML experience (PyTorch or TensorFlow)
* Hands-on experience with
LLMs, prompt engineering, fine-tuning, and agent frameworks
* Deep knowledge of
RAG, vector databases, and embeddings
* Experience with
LLMOps / MLOps
, observability, and evaluation
* Solid background in
distributed systems, microservices, and streaming data
* Cloud & infrastructure experience (Docker, Terraform, AWS or similar)
* Experience with
large-scale unstructured data
; security, intelligence, or OSINT is a plus
Environment
* Hybrid working
(Belfast-based office + remote)
* Modern engineering stack and strong focus on
production quality AI
* High autonomy, real-world problems, and meaningful impact
Working pattern
* Hybrid: 2 day per week in Belfast office, 3 days remote
Package
* £50,000 - £70,000 (multiple roles)
* Bonus
* Full Medical for you and your family
* Very flexible working environment (2-day a week)
* Learning & Development days
If you want to work on
real-world AI systems with genuine impact
, we'd love to hear from you. Apply with your CV to learn more.