Lemrock · Paris
Skills: React, TypeScript, HTML/CSS, Webpack, SQL, Docker
Who we are ----------
Lemrock 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 month 150+ brand clients a $100B market structuring at high speed
Context -------
You'll join a small, high-ownership engineering team building production systems that serve millions of users. We care deeply about code quality and clean architecture — and we intend to keep it that way as we scale.
Your Mission ------------
Your goal is to build and ship the product that powers Lemrock's commerce infrastructure — with full ownership, from design to production. 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 Profile -----------------
Strong academic background, proven professional track record, or hands-on entrepreneurial experience 4+ years of hands-on software engineering experience Deep proficiency in TypeScript Experience with structured backend architectures (DDD, hexagonal, or similar) Has owned features end-to-end: data model → API → frontend → dep…
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