Founding Engineer
- Full-time
- On-site · Paris, IDF, FR / Paris, Île-de-France, FR
- €60K - €90K EUR · 0.30% - 1.00% equity
Posted
Apply on YC · Original job listing
- Role: Engineering / Full stack
- Experience: 3+ years
- Visa: US citizenship/visa not required
- Skills: PostgreSQL, Python, Evals, AI Agents, Multimodal AI, LangChain
The role
We are hiring a Founding Engineer to increase our engineering velocity and own the architecture of our agent orchestration layer.
You will work directly with the founders, founding engineers, and customers. You will speak with users every week and own launches from the initial problem through production.
What you will work on
- Agent state, memory, context, tool use, planning, and human-in-the-loop flows.
- Tool reliability, evaluation, observability, latency, and cost.
- You will own the ingestion and indexing of 10M+ social videos per month into our vector store, optimizing for sub-second retrieval.
- Systems that apply Kuli's video intelligence within each customer's brand context.
- Internal tooling and automation that increase the output of a small team.
Who we are looking for
- 3+ years of experience as a software engineer.
- Strong backend fundamentals and experience owning production systems.
- Hands-on experience with agentic frameworks.
- Evidence of shipping software used by real people.
- Comfortable moving quickly without saying sorry
- Comfortable speaking with customers and owning launches.
- Has built things from the ground up, independently or as an early employee.
Our stack includes Python, FastAPI, LangGraph, PostgreSQL, Supabase, Redis, Azure, TypeScript, and React. We use models from OpenAI, Anthropic, and Google.
