Senior AI Engineer – Large Language Model Systems

Our client is a global leader in AI innovation dedicated to transforming industries through advanced language models and intelligent automation.

• 5+ years of software engineering experience, including 2+ years with production Large Language Models (LLMs)
• Expertise in LLM application architecture: retrieval-augmented generation (RAG), multi-agent orchestration, model routing, and fallback strategies
• Proven track record deploying scalable AI systems focusing on latency, reliability, and cost
• Strong system design skills with experience in guardrails, caching, and observability for AI pipelines
• Practical knowledge of hallucination mitigation and designing safe AI solutions in regulated environments
• Advanced proficiency with AI-assisted engineering tools and best practices
• Ability to assess build-vs-buy tradeoffs among AI providers and third-party tools
• Experience mentoring AI engineers and reviewing technical designs and code

Nice to have:

• Certifications or experience in AI safety and compliance
• Knowledge of AI evaluation harnesses and drift detection tools

• Design and implement scalable, reliable AI systems focusing on latency, cost, and operational efficiency
• Develop complex language model architectures, including retrieval-augmented generation (RAG), tool-calling, and multi-agent orchestration
• Build evaluation frameworks to measure model quality, detect regressions, and monitor drift in production
• Integrate AI/ML models into core business logic ensuring safety, compliance, and robustness
• Engineer solutions for hallucination mitigation and safe-failure in regulated applications
• Collaborate with cross-functional teams to review designs, mentor engineers, and promote best practices
• Evaluate build-vs-buy options across LLM providers and third-party AI tools
• Ensure observability, guardrails, and caching for AI decisioning pipelines

Only candidates with an existing legal right to work in the European Union will be considered for this role.