Staff Applied AI Engineer

Stack

Responsibilities

• ▹Build and ship multiple AI-powered product features, setting the bar for delivery at Pleo
• ▹Bring deep applied AI expertise and strong judgment on trade-offs (quality vs. latency/cost, build vs. buy, agent patterns vs. simpler approaches)
• ▹Work directly with Product, Design, Engineering, and business stakeholders on what's actually worth building
• ▹Own evaluation, monitoring, and operationalisation of AI features in production (evals, drift tracking, safe prompt versioning)
• ▹Act as a design partner to the GenAI Core platform team, bringing evidence from real feature delivery
• ▹Establish and enforce practical standards for AI feature delivery across product squads
• ▹Upskill the team through mentorship, reviews, pairing, and lightweight playbooks

Requirements

• ▹Proven experience shipping multiple GenAI features into production at scale in a customer-facing product
• ▹Experience shipping multi-step, tool-using agents in a user-facing product
• ▹Ability to translate complex business challenges and product visions into scalable AI solutions
• ▹Deep applied AI judgment: evaluation, retrieval quality, tool use, failure modes
• ▹Experience applying evaluation and observability to LLM systems (tests, golden sets, online metrics)
• ▹Strong understanding of privacy and security concerns in LLM applications: prompt injection, PII, data leakage risk
• ▹Solid experience with the modern AI stack: vector DBs, orchestration and durable execution frameworks, LLM APIs
• ▹Deep proficiency with Python for data and ML engineering, plus SQL and major cloud providers

Nice to have

• ▹Experience with GCP, BigQuery, Airflow, AWS, Kotlin, JavaScript/TypeScript, or Kubernetes

Soft skills

What we offer

• ▹Your own Pleo card
• ▹Lunch on work days or a lunch allowance
• ▹Comprehensive private healthcare (Vitality, Alan or Médis depending on location)
• ▹25 days of holiday + public holidays
• ▹Hybrid or fully remote working options
• ▹MyndUp mental health and well-being support
• ▹Paid parental leave

About the company

Pleo is a Danish fintech building spend management solutions for businesses, serving 40,000+ customers with a team of 850+ people from over 100 nationalities across Europe.