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Joko

AI Software Engineer – Senior/Staff Level

Joko

AI Software Engineer responsible for developing Joko AI shopping assistant. Collaborating with the Product team and leveraging AI for user-centered solutions.

Posted 5/30/2026full-timeRemote • 🇫🇷 FranceSenior💰 €76,300 - €174,600 per yearWebsite

About the role

Key responsibilities & impact
  • Own the development and continuous improvement of Joko AI
  • Own the architecture of our agentic system
  • Design and run robust evaluation frameworks
  • Expand the set of tools and capabilities for Joko AI
  • Tackle challenges of data ingestion at scale
  • Leverage data to understand user preferences and enhance personalization
  • Prototype and iterate on new challenges and features
  • Stay on top of the latest models and frameworks
  • Fine-tune models for quality and efficiency
  • Collaborate closely with the Product team to define UX and implement improvements

Requirements

What you’ll need
  • 5+ years of software engineering experience
  • Track record of building production AI systems
  • Familiarity with agentic frameworks (LangChain, LangGraph, or equivalents)
  • Deeply familiar with LLM observability tools (LangFuse or equivalents)
  • Experience with LLM APIs and evaluation tooling for AI systems
  • Full-stack spirit
  • Must be fluent in English (written and spoken)

Benefits

Comp & perks
  • Flexible remote
  • Work from anywhere
  • Top-market compensation
  • Equity for everyone
  • Half-day each week dedicated to leveling up with AI
  • Yearly offsite in amazing locations and budget for team-building events & monthly in-person gatherings
  • Contribution to your ClassPass subscription
  • 8-week leave paid 100% for the second parent
  • …and much more, check the full list here!

ATS Keywords

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Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools
software engineeringAI systemsagentic frameworksLangChainLangGraphLLM observability toolsLangFuseLLM APIsevaluation toolingfull-stack development
Soft Skills
collaborationcommunicationproblem-solvingadaptabilitycreativity