The opportunity

This is your chance to lead the future of AI engineering at EY Ireland. As a hands-on architect and team lead, you’ll shape enterprise-grade GenAI solutions and multi-agent orchestration strategies. You’ll work with cutting-edge technologies and collaborate across diverse teams to deliver impactful, scalable AI systems. This role offers the opportunity to influence EY’s AI strategy and build solutions that align with global standards and regulatory frameworks.

• Independent Developer/Architect. Designs, codes, and deploys advanced GenAI/Agentic systems; owns subsystems end‑to‑end; establishes best practices at the project level; mentors juniors.
• Experience: 2-3+ years software engineering, with 2+ years focused on AI/ML.
• Academic Credentials: Beng/BSc or MSc in Computer Science, AI/ML, or related field (or equivalent experience with proven delivery).
• Expected Deliverables (not exhaustive): Enterprise-scale agent platforms and multi-agent systems; AI guardrails/safety layers; fault‑tolerant distributed services; caching/performance optimizations; evaluation pipelines; advanced prompt optimization; documented architectures.
• Core Skills: Python and/or Java, FastAPI, Docker/Kubernetes; CI/CD (GitHub); IaC (Terraform/Pulumi); workflows (Airflow/Prefect); logging/monitoring (LangSmith, MLflow).
• Patterns: ReAct, Self‑Ask, memory‑enabled RAG, multi‑agent orchestration.
• Strong interpersonal and communication skills.

Machine Learning / AI Skills

• Applied ML (deep learning, NLP, embeddings); fine‑tuning on domain data with PyTorch/TensorFlow and Hugging Face.
• Advanced prompt engineering (few‑shot, in‑context learning, dynamic prompt optimization).
• Experience with Model Context Protocol (MCP) is highly valuable.
• AI guardrails and safety (bias detection, jailbreak/hallucination mitigation, responsible AI).
• Vector databases and similarity search optimization (Pinecone, Weaviate, Milvus, FAISS).
• LLM Providers/APIs: OpenAI, Anthropic, Google Gemini; also Mistral/Llama via Hugging Face.
• Cloud: hands‑on deployment on AWS, Azure, and/or GCP; production Kubernetes; cost/performance tuning.

Ideally, You’ll also have

• MSc or PhD in a relevant field, or equivalent senior industry experience.
• Experience in designing evaluation frameworks and release gates for AI models.
• Knowledge of vector platforms like Pinecone, Weaviate, and Milvus.

What we look for

We’re looking for innovative thinkers who are passionate about AI and eager to make a difference. You’ll thrive in a collaborative environment, bring a purpose-driven mindset, and embrace inclusivity. If you’re agile, curious, and ready to lead transformative projects, we want to hear from you.

What working at EY offers

EY is committed to being an inclusive employer and we are happy to consider flexible working arrangements. We strive to achieve the right balance for our people, enabling us to deliver excellent client service whilst allowing you to build your career without sacrificing your personal priorities. While our client-facing professionals can be required to travel regularly, and at times be based at client sites, our flexible working arrangements can help you to achieve a lifestyle balance.

Career Progression

• When you join EY, you will be supported to ensure that you are enhancing your skills from day one.
• Continuous learning, where you can develop the mindset and skills to navigate whatever comes next.
• As you grow and develop here, you’ll discover opportunities to help customise your career journey, so that it’s as unique as you are - success is defined by you, we will provide the tools and flexibility, so you can make a meaningful impact, your way.
• Transformative leadership, we will give you the insights, coaching and confidence to be the leader the world needs.
• Diverse and inclusive culture, you will be embraced for who you are and empowered to use your voice to help others find theirs.
• We have embraced Hybrid working at EY adding greater flexibility and autonomy to the roles of our employees.

Inclusion & Diversity

We hold a collective commitment to foster an environment where all differences are valued and respected, practices are equitable and everyone experiences a sense of belonging: Inclusion, diversity, and equity are part of who we are at EY. We believe that the highest-performing teams maximize the power of different perspectives and backgrounds. These teams are both diverse and inclusive and are willing to invite and learn from other perspectives. Our ability to include various viewpoints into our mindsets, behaviours and operations is fundamental to driving innovation, building strong relationships, and delivering the best solutions for our clients. We recognise the strength that comes from having a diverse workforce and building a culture where we support all our people to achieve their potential. You’ll be embraced for who you are and empowered to use your voice to help others find theirs. As an equal opportunities’ employer, we welcome applications from people of all backgrounds. Reasonable accommodations are offered at every stage of our recruitment process.
To help create an equitable and inclusive experience during the recruitment process, please inform us as soon as possible about any disability-related adjustments or accommodations you may need.

Are you ready to shape your future with confidence? Apply today.

IMPORTANT: Where Agency assistance is required, our Talent Team will engage directly with suppliers. CVs / Profiles should not be shared directly with Hiring Managers. Unsolicited CVs / Profiles supplied to EY by Recruitment Agencies will not be accepted for this role.