[Remote] Lead Full-Stack AI Engineer

Note: The job is a remote job and is open to candidates in USA. Userflow is an innovative company focused on redefining product adoption through AI-native applications. They are seeking a Lead Full-Stack AI Engineer to drive the development of their AdoptionAgent, ship AI-first solutions, and transform engineering practices to integrate AI across the organization.ResponsibilitiesShip AI-first solutions end-to-end, in partnership with other engineers, PM, and QASet the AI direction at Userflow — agent UX patterns, prompt engineering, eval mindset, what 'good' looks like for AI features hereTransform how our engineering org ships — AI-augmented CI/CD, AI code review, IDE-native AI workflows — so every team gets faster, not just yoursOwn AdoptionAgent, end-to-end: the full development cycle of the agentic experience that customers' end-users interact with inside their own appsOwn AI engineering practice at Userflow: prompt patterns, agent UX heuristics, eval pipelines, internal tooling that makes AI-augmented work the default for both FE and BE engineersDefine Userflow's AI-native engineering workflow: how the org adopts AI in CI/CD, code review, and IDE-native developmentSkillsHands-on AI feature shipping → you've personally built and shipped LLM-powered product features. You can talk about prompt iteration, eval methodology, latency/cost tradeoffs, and when •not• to use an LLM. Resume mentions of 'AI experience' without specifics will not pass our screenAI-native development workflow → you ship in Cursor, Claude Code, Windsurf, or equivalent. You've set up AI-augmented CI/CD pipelines and AI code review (CodeRabbit, Greptile, Claude review, internal equivalents). You can articulate what AI tooling has actually changed about your work, not just that you use itTrack record of raising the bar around you → you've changed how a team or org ships, not just how you personally shipComfort working across the stack. You may be deeper on one side than the other, but you can read, reason about, and contribute meaningfully to code on either side5-8+ years building user-facing front-end systems, with at least 3 at the Senior+/Staff level shipping product surfaces that real customers depended onExperience with agentic systems (multi-step tool use, planning loops, agent UX patterns)Experience with eval pipelines for LLM features in productionVisual builder / canvas / drag-drop product experience — Userflow's core IP is a no-code visual flow builder, so background in canvas/drag-drop products (Figma, Notion, Webflow, Framer) translates directlyOpen-source contributions to AI tooling, agent frameworks, or DX toolsBenefitsCompetitive compensation packageLocation: US - RemoteCompany OverviewUserflow builds in-app tours, checklists, and surveys for SaaS companies. It is a sub-organization of Beamer. It was founded in 2018, and is headquartered in San Francisco, California, USA, with a workforce of 11-50 employees. Its website is https://userflow.com.