At Joko, we help consumers shop smarter. Our mission is to revolutionize shopping, empowering people to find what they need, make informed decisions, and save money.

Founded in Paris, Joko is a tech company and certified B Corp with over 90 talents across Paris, Barcelona, and New York (and beyond). More than 5 million users already save money every day at 10,000+ merchants with Joko.

From cashback and automatic coupons to price alerts and carbon tracking, we keep expanding our products to make shopping smarter. We’re now building an AI‑powered shopping assistant to help users find the best products by price, quality, and impact.

Having reached profitability in our core market, we’re now scaling globally, with a strong focus on the US.

Our engineering team

Our Engineering team excels at solving cutting‑edge technical challenges with elegant solutions. With a strong focus on product innovation and design, they are shaping the future of the online shopping experience. Their ambition is to have a positive impact on the everyday lives of hundreds of millions of users around the world.

Software Engineers in the Engineering team work hand‑in‑hand with the Product team, from exploration, design, and roadmap prioritization to implementation, and deployment in production. At Joko, we have firsthand experience that teams with engineers who possess a diverse range of skills, and where engineering and product collaborate closely,



can deliver a truly delightful and innovative user experience.

The Engineering team is currently growing fast to continuously innovate on all parts of our product and tech stack and to empower the revolution of the way people shop online.

What You Will Do

- Agent architecture: you will own the architecture of our agentic system — ensuring it constantly evolves, incorporates the latest advancements in the field, challenges existing assumptions, tests bold ideas, and pushes the boundaries of what our AI assistant can do.
- Evaluation & monitoring: you will design and run robust evaluation frameworks to measure Joko AI's performance, catch regressions, and build confidence before shipping to production.
- Capabilities & integrations: you will constantly expand the set of tools and capabilities that Joko AI can leverage — web search, vector search, ever‑smarter catalog lookups — making the agent more resourceful, faster, and more reliable at scale.
- Catalog & data at scale: great recommendations start with great data. Joko AI is powered by a product catalog of hundreds of millions of entries, continuously updated. You will tackle the massive challenges of ingesting, standardising, and enriching this data at scale, where AI itself plays a key role.
- Personalisation: Joko has access to uniquely rich data —

📌 Ai Software Engineer (Senior/Staff Level) (Barcelona)
🏢 Joko
📍 Barcelona