Founding Engineer
Hybrid (London)£70k - £100kFull-timePosted 11mo ago
About the role
Leeroo is a YC-backed company building continuously learning AI agents that evolve into expert teammates. As a Founding Engineer, you’ll guide customers through the full lifecycle from pre-sales discovery to production rollout and post-launch iteration, turning real business problems into robust agentic systems.
Responsibilities
- Be a customer-first problem solver: work end-to-end with customers, from discovery to delivery, turning ambiguous asks into scoped, shippable plans with clear ROI, while navigating data access and integration challenges to show the impact of Leeroo Agents.
- Build state-of-the-art GenAI applications across enterprise use cases by connecting our continuous-learning agents, co-driving transformation with customers.
- Work in a tight loop with Core Research & Product Engineering: surface reusable patterns from real customer work (prototype solutions, test usability, identify generalizable insights) and help productize them into the Leeroo platform/Learning Engine.
- Join pre-sales and discovery calls to understand needs, shape solution roadmaps, and provide clear technical guidance on Leeroo’s approach and ecosystem choices.
Qualifications
- Master’s/PhD in CS/AI/Data Science (or equivalent experience).
- 2+ years as a hands-on IC (data scientist, ML/AI engineer, or software engineer) shipping AI-powered products.
- End-to-end experience building and deploying LLM/NLP applications (APIs, back-end integration; light front-end when needed).
- Familiarity with agent frameworks, vector databases, and retrieval workflows.
- Clear communicator able to translate complex technical ideas for non-technical stakeholders.
Skills
Required:Customer-facing solution designGenAI / AI product developmentLLM/NLP integration and deployment
Benefits
- Competitive compensation with meaningful equity
- High-end hardware
- Generous learning budget
- Remote-friendly setup, work from anywhere in compatible time zones; office based in London
Last updated Aug 26, 2026. Interested? Apply on the company site.
About Leeroo
Continuously Learning AI Agents
Leeroo delivers continuously learning AI agents that learn much like human colleagues, from knowledge bases, human feedback, and even their own past experiences. That continuous learning bridges the gap between generic AI and the expert performance companies need. We’re starting with agents for data and AI eteams.
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