Founding AI Engineer @Plato (backed by Hexa)

Join Plato, a startup revolutionizing the legal industry with AI. As a Founding AI Engineer, you'll work directly with the CTO to build AI-powered features, handle complex data, and shape the product. You'll have a strong software engineering foundation, experience with AI frameworks, and a product mindset. Enjoy ownership, impact, and the opportunity to grow in a fast-paced environment.

We're looking for a **strong software or AI engineer with 2+ years of experience** who wants to build real-world AI products at the forefront of the agentic stack.

You like working close to founders and users, making pragmatic technical decisions, and shipping software that actually runs in production.

**You’ll thrive in this role if you:**

* Have a strong **software engineering foundation**, ideally with Typescript and experience shipping production systems

* Have experience with **agents and/or evals** and frameworks like Mastra, Eve, Pydantic, Langchain, etc…

* Can take an AI problem from **experimentation to production**

* Enjoy **solving problems** with no clear solution

* Have a strong **product mindset** and care about user impact

* Are **autonomous and pragmatic**, comfortable navigating early-stage ambiguity and shipping fast

### ⚙️ Our tech stack

Our stack is designed to support **AI-first workflows** and **production reliability**.

* **Backend & Frontend:** TypeScript, Node.js, React, tRPC

* **Infrastructure:** AWS (Terraform)

* **Data & AI:** Mastra, Bedrock

* **Database:** Postgres

*You don't need to master every tool — what matters is your ability to design robust systems, learn fast, and make sound technical trade-offs.*

### 💎 What we offer

* **Build alongside a strong AI expert:** Work closely with [Alexandre](https://www.linkedin.com/in/alexandredeboutray/), our CTO, who has deep expertise in AI agents, and turn cutting-edge AI into production systems.

* **Ownership & Impact:** As the second engineering hire, you'll have real influence on the product and technical direction

* **Bring AI to real users:** Build production AI systems that solve real problems in a complex, high-stakes domain

* **Hexa ecosystem:** Access to expertise, resources, and network from one of Europe's leading startup studios

* **Competitive package:** Attractive salary + meaningful equity

* **Paris-based team:** Work alongside the founding team in our office

* **Growth:** Opportunity to grow into a technical leadership role as the team scales

*Plato is committed to creating a diverse environment. All qualified applicants will receive consideration for employment irrespective of gender, origin, identity, background and sexual orientation.*

*We know there's a long way to go regarding diversity in our industry, which is why we encourage all applicants to apply to our open positions.*