Who we areLemrock builds the infrastructure of agentic commerce.
Tomorrow, consumers won't just buy on e-commerce websites.
They will discover, compare and purchase directly inside conversational AI interfaces like ChatGPT, Perplexity, and a growing long tail of specialized AI assistants.
For brands, this is a major shift: if they are not present in these environments, they become invisible.
Our mission: enable any brand to exist, sell and distribute in this new channel.
We raised a €7M seed round (the first in Europe on this market), with Jean-Baptiste Rudelle, founder of Criteo, on our board, and the Bpifrance DeepTech label.
Today, Lemrock is already:100M+ conversations per month150+ brand clientsa $100B market structuring at high speedContextYou'll join a small, high-ownership engineering team building production systems that serve millions of users.
We care deeply.
Concretely, you will:Ship features end-to-end that reach millions of users — from data model and API design to the interface they interact with.
Scale and harden our backend as traffic, integrations, and product complexity grow.
Shape the architecture of the codebase — enforce clean boundaries, maintain modularity, and make decisions that compound as the team scales.
Move fast across the stack — backend, frontend, infra, data — wherever the highest-impact work is on any given week.
Candidate ProfileStrong academic background, proven professional track record, or hands-on entrepreneurial experience2+ years of hands-on software engineering experienceDeep proficiency in TypeScriptExperience with structured backend architectures (DDD, hexagonal, or similar)Has owned features end-to-end: data model → API → frontend → deploymentComfortable with AI coding tools (Cursor, Claude.