Job description
Salaire: 75k
The Company
A company is building an AI-powered platform designed to fully automate accounts receivable and cash collection workflows.
Rather than a traditional SaaS tool, it develops an autonomous engine that connects directly to client systems and manages the entire process - from payment reminders to legal escalation -through intelligent, end-to-end workflows powered by LLMs.
The company is at pre-seed stage (~€1M raised) with a founding team of 3 and is entering a key phase of product construction.
Role
Looking for a hands-on Founding Engineer to join at an early stage as one of the first technical hires, working directly with the CTO.
- Build and ship product features from scratch to production
- Design and implement end-to-end AI workflows (LLMs, agents, automation)
- Work across the full stack (backend, frontend, infra, data)
- Integrate with client systems and orchestrate complex data flows
- Contribute to core architectural decisions in a zero-legacy environment
- Iterate fast and take ownership of product scope
**Requirements
Profile**
- 1–7 years of experience
- Strong fullstack engineering skills (backend + frontend + systems thinking)
- Previous experience in startup environments or entrepreneurial projects
- Proven ability to build and launch products from scratch
- High autonomy and strong ownership mindset
- Comfortable operating in ambiguous, fast-moving environments
Must-have
- Experience building real-world applications involving AI
- Hands-on work with LLMs, agents, or end-to-end AI workflows
- Ability to move from prototype to production systems
Tech Stack
- TypeScript (Next.js)
- PostgreSQL
- Nice to have : Supabase
Details
- Location: Paris (18th arrondissement)
- Remote: ~2 days/week
Tags & focus areas
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