Senior AI Engineer

About this role Enterprise software is going through its biggest shift in decades. Applications are moving from deterministic workflows to intelligent, agentic systems that understand context, remember preferences, and act on behalf of users. This isn’t a future prediction — it’s happening now, and Columbus is building at the frontier of it. We’re hiring three senior engineers to form the core of our Group AI engineering team. Together, you’ll design and build the next generation of AI-powered systems that will transform how thousands of people work — across the Nordics and beyond. You’ll work directly with the VP Group AI. No layers. No committees. You build, you ship, you learn. This is not a consulting engagement or a proof-of-concept. It’s production engineering at enterprise scale, on the Microsoft platform, using the most advanced AI models available today. What you will bring We are looking for someone who have/is Strong expertise in LLM application design, including prompt engineering, agent frameworks, and evaluation Good undetstanding of data as a foundation for AI driven Insights Experience building scalable, production-grade AI systems, with focus on context management, cost optimization, and real-world deployment Proven ability to design multi-agent architectures where AI systems collaborate effectively Hands-on experience with Microsoft 365 ecosystem (Graph, Teams, SharePoint) and cloud-native platforms like Azure Solid background in data and retrieval systems, including vector search, embeddings, document databases, and RAG architectures Skilled in building robust, event-driven and API-based systems with strong focus on reliability, security, and enterprise compliance If you don't match all these qualification above but is an expert in either of the three, don't hesitate to apply: AI Application You bring deep experience in LLM application architecture, including prompt engineering, agent frameworks, tool integration, and model evaluation. You have a strong understanding of context window management, cost optimisation, and model behaviour at scale, combined with expert knowledge of AI Security and AI Governance. AI Automation & Integration You have hands-on experience with Microsoft Graph, Teams, SharePoint, and the broader Microsoft 365 ecosystem. In addition, you possess expert knowledge of AI Security and AI Governance as they relate to automation, integrations, and enterprise-scale AI solutions. AI Infrastructure You bring extensive experience with document databases, vector search technologies, and embedding models. You understand RAG architectures, including chunking, reranking, hybrid search, and citation grounding, and can design data governance frameworks that meet enterprise compliance requirements such as DLP, auditing, and retention. You have experience building scalable knowledge retrieval systems, supported by expert knowledge of AI Security and AI Governance. Application At our company, you can easily apply using your LinkedIn profile or your CV, without having to fill out long questionnaires. You do not need to submit a cover letter. In our recruitment process, we use logic and personality tests. We always check references and conduct a background check before an employment offer is made. If you have any questions, you are welcome to contact the responsible recruiter Daniel Sparrow. Interviews are conducted on an ongoing basis. After the recruitment process has ended, we will ask you about your experience as a candidate. It only takes a few seconds to answer, and it helps us improve our recruitment process. Working at Columbus People always come first at Columbus. We are a global consulting firm with local presence, helping companies with their digital transformation and to thrive through technology, data, and human insight. We are also a workplace where you, as an employee, can develop your career and get support through clear and structured career paths. Our culture is built on trust, collaboration, curiosity, and a shared commitment to deliver value to our clients. Whether you’re experienced or just starting out in your career, you’ll find the freedom to explore ideas, challenge the familiar, and shape your own path with us. With more than 1,500 colleagues in over 10 countries, we combine global perspectives with local understanding. What unites us is our belief in creating meaningful impact – for our employees, our clients, and the journey ahead. Let’s thrive, grow, and shape the future together! ⭐ What others say about us Interested in Columbus behind the scenes? Each week, we let a colleague take over our Instagram account. At Careereye, current and former employees can share their unfiltered reviews about what it’s like to work with us. Click below to read their experiences.