Applied AI Engineer: Platform Architect & Experiments

Needl; Dublin; On-site; EUR 90,000 - 130,000; Full time

Job summary

Needl in Ireland is seeking an Applied AI Engineer to join a specialist AI Architecture team shaping the technical direction of a enterprise-wide AI platform. This role blends AI engineering, experimentation, software development, and systems architecture, requiring hands-on work with cutting-edge AI tools and scalable production systems.

You will work with senior technologists to design rigorous experiments, translate results into practical engineering decisions, and deliver measurable

Qualifications

• Strong software engineering background with Python.
• Solid ML fundamentals including transformers and modern LLM architectures.
• Experience with AI infrastructure such as retrieval systems, evaluation frameworks, model monitoring, or sandbox execution environments.
• Strong understanding of systems programming, performance optimisation, and scalable software architecture.
• Familiarity with agentic systems, tool orchestration, embeddings, and context engineering.
• Ability to design rigorous technical experiments, establish benchmarks, interpret results, and communicate findings effectively.
• Understanding of AI platform architecture and translating research into production-ready engineering decisions.

Responsibilities

• AI/ML Experimentation: Design, develop, and execute large-scale experiments to evaluate AI technologies, architectures, and engineering approaches.
• LLM & Agentic AI Systems: Investigate and evaluate advanced AI capabilities, including Large Language Models (LLMs), agentic workflows, tool orchestration, and AI execution frameworks.
• Retrieval & Context Engineering: Explore and optimise retrieval systems, embeddings, context management strategies, and techniques for improving AI application performance.
• AI Platform Development: Design and contribute to production-grade AI infrastructure, including evaluation frameworks, retrieval services, model routing, and monitoring capabilities.
• Performance Optimisation: Assess AI system performance, scalability, reliability, and efficiency, identifying opportunities to improve architecture and execution.
• Technical Research & Evaluation: Investigate emerging AI tools, frameworks, and methodologies, providing evidence-based recommendations on technology selection and architectural direction.
• Architecture & Engineering Collaboration: Work closely with platform architects and engineering teams to translate research findings into practical, scalable solutions.
• Technical Documentation: Produce clear technical reports, experimental findings, and recommendations that inform platform strategy and engineering decisions.

Skills

Python

ML fundamentals

AI/ML experimentation

Systems architecture

Performance optimisation

Agentic AI & LLM workflows

Retrieval & context engineering

Experiment design & benchmarking

Job description

Needl in Ireland is seeking an Applied AI Engineer to join a specialist AI Architecture team shaping the technical direction of a enterprise-wide AI platform. This role blends AI engineering, experimentation, software development, and systems architecture, requiring hands-on work with cutting-edge AI tools and scalable production systems.

You will work with senior technologists to design rigorous experiments, translate results into practical engineering decisions, and deliver measurable