Licorne Society a été missioné par une startup IA en pleine croissance pour recruter leur Backend Engineer.

**About the Company**

We're building the **AI copilot for notaries and real-estate professionals** , automating complex legal workflows and document analysis.

Our platform combines **FastAPI** , **PostgreSQL** , **LLMs** , and **knowledge graphs** to reduce transaction times by over **80%** .

Having reached **early product-market fit** , we're now scaling rapidly - expanding data pipelines, integrations, and AI-powered document logic.

You'll join a small, focused engineering team at the moment when product architecture still shapes the company's future.

**Role Overview**

As **Backend Engineer** , you'll build the core systems behind a high-trust, mission-critical product used daily by legal professionals.

You'll work closely with our **Lead Backend Engineer, Lead Frontend Engineer and Lead LLM** **Engineer** to design APIs, improve performance, and ship new AI-driven features.

We iterate fast and value reliability, ownership, and clarity of thought.

**What You'll Do**

* Design and ship **clean, well-tested REST APIs** using FastAPI
* Implement **business logic** for document processing and data flows
* Design and optimize **PostgreSQL** schemas and queries (SQLAlchemy)
* Integrate with **third-party APIs** (Stripe, HubSpot, OCR/AI providers)
* Contribute to **background jobs and async pipelines** (Celery, Redis)
* Write **tests and CI pipelines** ensuring reliability at scale

**What We're Looking For**

**Core Technical Skills**

* 3-5 years of backend development with **Python**
* Solid experience with **FastAPI** (or Flask)
* Strong grounding in **PostgreSQL** and **SQLAlchemy**
* Skilled in **REST API design**, testing (pytest), and Git workflow
* Familiar with **Docker, Google Cloud Tasks**

**Bonus**

* Integrations with **Stripe** , **HubSpot** , **OCR** , or **AI APIs**
* Experience with **Azure** or **Google Cloud**
* Background in **document automation** or **legal tech**
* Understanding of **async programming** and performance tuning

**Mindset**

* You write **maintainable, production-ready code**
* You thrive in **fast feedback loops** and small teams
* You value **clarity, precision, and accountability**

**What You'll Get**

* **Impact:** Build the infrastructure behind a product handling real estate transactions worth millions.
* **Learning:** Collaborate with senior engineers working at the frontier of AI, data, and legal tech.
* **Ownership:** End-to-end responsibility on features that ship fast and matter.
* **Compensation:** Competitive salary + stock options.