At Joko, we help consumers shop smarter. Founded in Paris, Joko is a tech company and certified B Corp with over 90 talents across Paris, Barcelona, and New York (and beyond). We’re now building an AI‑powered shopping assistant to help users find the best products by price, quality, and impact.
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. 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.
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. You will tackle the massive challenges of ingesting, standardising, and enriching this data at scale, where AI itself p

📌 Senior Staff Software Engineer (Cataluña)
🏢 Joko
📍 Cataluña