Job Specifications
Senior ML / AI 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.
About the Company
ViVA Tech Talent | Founder-led. Expert-driven At ViVA Tech Talent, we do more than recruit -- we redefine what it means to connect the best minds in tech with the most innovative businesses. Born from over 20 years of elite tech recruitment expertise, ViVA was founded to challenge the status quo and deliver a modern, relationship-led experience for both clients and candidates. We specialise in tech hiring across Software Engineering, DevOps, Product, Infrastructure and Data - building high-performing teams for hyper-growth s...
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