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Founding AI Engineer

Rebolt
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Hybrid (San Francisco, CA; Remote (Madrid, MD, ES; Madrid, Community of Madrid, ES; Madrid, ES; Barcelona, CT, ES; Barcelona, Catalonia, ES; London, England, GB))$60k - $180k + equityFull-timePosted 11mo ago

About the role

Founding AI Engineer at Rebolt, an AI-powered internal tools platform. Role involves researching and engineering AI systems, shipping production-grade multi-agent workflows, and shaping product architecture in a fast-paced startup.

Responsibilities

  • Ship production-ready multi-agent systems and build tools for debugging, deploying, and operating scalable AI workflows.
  • Lead and establish research culture by staying current with AI research and prototyping ideas that push our product forward
  • Implement your findings to quickly translate research insights into production systems.
  • Work closely with customers to iterate and optimize our product.

Qualifications

  • Have 2+ years of SWE/AI/ML engineering experience with deep understanding of LLM internals, agent architectures, and evaluation frameworks.
  • Proven rapid-prototyping skills. You know how quickly turn research insights into a functioning prototype and then iterate over it to production-ready system.
  • Hands-on full-stack development experience using TypeScript, React, and Node.js.
  • Strong bias toward action, learning by doing and iterating effectively through complexity.
  • Track record of impact via publications, open-source contributions, or significant real-world projects.
  • Ability to distill research insights, identify underlying problems, and design robust solutions.
  • Comfort thriving in ambiguity, shaping core technology and architecture in a fast-paced startup environment.
Last updated Aug 26, 2026. Interested? Apply on the company site.
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About Rebolt

Build apps and agents by speaking with AI

Rebolt lets everyone in the company build apps, and agents by speaking with AI. Integrated with your company tools, data and authentication. Replacing no-code tools, bloated SaaS and complex spreadsheets, for automating all the boring work.

artificial-intelligenceenterprise-softwareai-assistant
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