Founding Full-stack Software Engineer
Lemrock is hiring for the position of Founding Full-stack Software Engineer in Paris, France. It is listed as a full-time position.
DGJ summary of this job
Our own short read of this listing, built only from the facts it gives. The employer’s original text follows further down.
Lemrock is hiring for the position of Founding Full-stack Software Engineer in Paris, France. It is listed as a full-time position.
Reading the advert, the employer asks for 4+ years of experience and French and English language skills.
Skills and tools named in the text include TypeScript, React, PostgreSQL, Redis, GCP, Docker, Terraform and LLM.
No salary is given in this listing, so check the official pay figures in the DGJ Insight section below where they exist.
Benefits mentioned in the advert: bonus.
The advert does not mention visa sponsorship. If you would move to France for this job, check the official work permit route first (DGJ Insight lists it where we have it).
Dev Global Jobs found this job on Arbeitnow on Nov 3, 2026.
- Employer
- Lemrock
- Location
- Paris, France
- Job type
- Full-time
- Pay
- Not stated by the employer
- Experience asked
- 4+ years
- Languages asked
- French and English
- Found
- Nov 3, 2026 on Arbeitnow
- Employer text
- 475 words, about 2 min to read
- Apply only on the official page (arbeitnow.fr). Dev Global Jobs is not the employer and never asks for a fee.
- Compare your own experience with the 4+ years the advert asks for, and show it clearly near the top of your CV.
- Mirror the skills the advert names (TypeScript, React, PostgreSQL and Redis) in your CV where you really have them; applicant tracking systems look for these words.
- Say your level in French and English plainly (for example B2 or C1).
- Read the employer’s full text below (about 2 min) before you apply.
- Build or check your CV with the free DGJ CV Builder.
DGJ Insight
Our own data about this role and place, from official statistics and our live job index.
Source: OECD Average annual wages, 2025
UN living-cost index for Paris (ICSC post adjustment 50.5), as of 1 Oct 2026.
Source: ICSC post adjustment classifications (icsc.un.org)
- Talent Passport: Qualified employees, researchers, artists, investors; multi-year permit
- Employee (salarié) visa: Employer work authorisation from the labour office
- Temporary worker visa: Contracts under 12 months
About the role
Full text from the employer, as published on Arbeitnow, arranged into sections. Nothing added or removed.
01Who 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
02Context
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.
03Your 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.
04Candidate 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 → deployment
Comfortable with AI coding tools (Cursor, Claude Code)
Thrives in ambiguity and 0-to-1 environments, ex-founders or entrepreneurial mindsets are a strong fit
Professional proficiency in French & English
05Core (required)
TypeScript, NestJS, React
PostgreSQL, Redis
Docker
Clean architecture patterns (hexagonal, ports & adapters)
06Bonus (appreciated but not required)
GCP (Cloud Run, Pub/Sub, BigQuery), Terraform
Vector databases, embeddings, LLM integrations
Domain-Driven Design (DDD), CQRS
TanStack (Router, Query, Table), shadcn/ui, Tailwind, Vite
Durable workflows (Inngest, Temporal)
07Why Join Us
Join a company in early breakout mode, already generating revenue, with a clear technological edge and strong financial backing to fuel its growth
Work directly with an experienced team: two repeat YC founders who've scaled product & tech before, a former strategy/innovation director (10 years in the sector), and ex-strategy consultants (McKinsey QuantumBlack, BCG)
Be part of the next structural shift of the web, agentic interfaces
Own mission-critical topics, grow fast, and shape the company's future trajectory
08Package
Competitive salary + equity, disclosed during the interview process.
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