Senior AI Engineer

As a Senior AI Engineer at OpenUp, you will own the design, build, and evolution of our AI-powered product experiences. This includes building and maintaining evaluation pipelines, designing prompt engineering, and contributing to architecture decisions that keep the application layer decoupled from any single model provider. The role requires a strong background in data science or machine learning, experience with multi-agent or agent-based architectures, and a deep understanding of conversational quality and evaluation.

Requirements

• 5+ years software engineering experience
• At least 2+ years building and shipping AI or LLM-based systems in production
• Strong background in data science or machine learning
• Fluent in Python
• Experience with.NET is a plus (our backend stack includes.NET, SQL Server, and ReactJS)
• Hands-on experience with multi-agent or agent-based architectures
• Experience designing and operating evaluation pipelines for LLMs or conversational systems
• Experience with prompt engineering at production scale
• Working knowledge of Azure OpenAI or similar LLM platforms
• Familiarity with embeddings, vector search, RAG, and grounding techniques
• Ability to reason about AI risks: hallucinations, failure modes, adversarial inputs, and trust concerns in sensitive domains
• Bachelor's or Master's degree in computer science, data science, machine learning, or equivalent experience

Benefits

• €1500 annual personal development budget
• ClassPass: OpenUp contributes towards your classpass membership
• Monthly home internet/phone contribution (50EUR)
• Daily healthy and vegetarian lunch at our office.
• Regular office yoga, meditation classes or breathing exercises
• Flexible work model (hybrid and options for remote work)
• Monthly drinks and company wide summer fest and other fun activities
• 27.5 vacation days per year
• Free and unlimited access for you and your family to all our products, including our psychologists