AI Software Engineer – Senior/Staff Level

🕒 May 30

🌐 France, Spain – Remote

🇫🇷 France – Remote 🇪🇸 Spain – Remote

💵 €76.3k - €174.6k / year

⏰ Full Time

🟠 Senior

🧑‍💻 Full-stack Engineer

👻 Ghost score 29%

What it means: how likely this posting is sitting open without active hiring.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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Joko

WebsiteLinkedInAll Job Openings

11 - 50 employees

Founded 2018

🛍️ eCommerce

💸 Finance

👥 B2C

eCommerce • Finance • B2C

Joko is a mobile application that enhances users' purchasing power by offering cash back rewards and automatic coupon codes on everyday purchases. With over 4 million members, the app allows users to earn cash back effortlessly as they shop at their favorite retailers. Joko simplifies the purchasing experience, ensuring that members never pay more than necessary for their purchases while accumulating rewards quickly.

📋 Description

• 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

• 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

• 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!