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arbeitnow

Senior GenAI Platform Engineer

Company: Pleo
Location: London
Posted: 8/5/2026
Source: arbeitnow
Job ID: senior-genai-platform-engineer-london-332691

<h2><strong>About Pleo</strong></h2><p style="min-height:1.5em">Messy spend management is tricky business. And tedious processes are a lose-lose situation for all involved, not just finance. At Pleo, we're changing that. We build spend solutions that make managing money seamless, empowering, and surprisingly effective for finance teams and employees alike - with a vision to help all businesses ‘go beyond’.</p><p style="min-height:1.5em">The word ‘Pleo’ actually means ‘more than you’d expect’, and living by that mantra has been the secret to our success over the last 10 years.</p><p style="min-height:1.5em">Now, we’re at a pivotal moment in our journey; every move we make has a direct impact on our 40,000+ customers, our business, and our collective success. We need people who take pride in uncovering customer needs, who turn complex problems into simple solutions, challenge the way things are done (respectfully), and always aim high. With great ambitions driving us forward, we can’t say we’ve got this whole thing figured out. And frankly, that’s half the fun! What we can say is that we’re a driven, progressive, and, importantly, a kind bunch of 850+ people from over 100 nationalities, all committed to delivering the future of business spending, together.</p><h2><strong>About the role</strong></h2><p style="min-height:1.5em">Pleo is investing heavily in AI-powered features across the product. You will be part of the GenAI Core team which is responsible for the horizontal platform infrastructure that makes this possible. They look afterLLM routing, MCP servers, vector search infrastructure, evaluation frameworks, and agentic tooling.</p><p style="min-height:1.5em">This is a hands-on backend/platform engineering role at the intersection of distributed systems and modern AI engineering. You will help design, build, and operate the shared AI infrastructure used by product teams across Pleo, with a strong focus on reliability, observability, security, and developer experience.</p><p style="min-height:1.5em"></p><h2><strong>Who you’ll be working with and reporting to </strong></h2><p style="min-height:1.5em">You'll be reporting to the Engineering Manager for the GenAI Platform team and will be working closely with senior and staff Engineers in GenAI Core. You will also collaborate with Applied AI Engineers, Data Scientists, and product engineering teams across the business.</p><p style="min-height:1.5em"></p><h2><strong>What you’ll be doing</strong></h2><p style="min-height:1.5em">As a Senior GenAI Platform Engineer you will:</p><ul style="min-height:1.5em"><li...

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