Ooak Data
Software engineer (senior)
today
55000 –80000 EUR / yearEuropeSenior
Senior software engineer for building AI-driven business workflow data solutions.
Responsibilities
- 📍 Paris (city center), on-site with 1 to 2 days WFH
- 🕐 Start: as soon as you are available
- 💼 Contract: full-time (CDI), open to freelancing for the summer
- 👥 Team:
- 3 co-founders (Pierre-Louis, CEO; Grégoire, CPO & COO; Thomas, CTO)
- 3 FTEs: 1 ML engineer and 2 ops.
- As a Software Engineer and a founding member of the tech team , you'll play a central role in how we design, build, and scale the platform that powers our datasets and RL environments. You'll report directly to Thomas (CTO & co-founder).
- Design, build, and scale the web platform and internal tooling our team and partners use to ingest, process, and explore data.
- Build robust back-end services and APIs powering our data pipelines and RL environments.
- Craft clean, reactive front-end interfaces for data curation, annotation, and monitoring.
- Define our technical standards and take an active part in the structuring architecture decisions (tech choices, design patterns, scalability, DevOps).
- Work closely with the product and ML teams to scope and ship new features end to end.
- Mentor and grow the future members of the tech team, building a strong software engineering culture at Ooak Data.
Conditions
- Entrepreneurial adventure , play a key role and live the early days of an ambitious company, right at the front line of the AI revolution.
- Backed by Y Combinator , join just as we accelerate.
- Founding impact , shape the company and its culture from day one.
- Offices in central Paris + 1 to 2 days WFH.
- Perks: Alan health insurance (mutuelle)
- 50% Navigo covered
Other
- The promise of AI agents is still unmet in complex, real-world business environments. Our mission is to make it possible for agents to reliably accomplish concrete and useful tasks.
- That's why we're building Alexandria, the world's largest library of real-world business workflow datasets.
- Over the next 6 months, we'll acquire and anonymize 300+ full data ecosystems from real-world companies. This will allow us to
- become the leader of real business workflow data
- be in the best position to launch our own data research lab in early 2027 , enabling new services that help companies around the world automate their workflows with AI
- This summer we need to build our elite squad to move extremely fast and confirm our leading position on company data.
- Trust , the foundation of every relationship, internal and external. We extend it by default and value the ownership that comes with it.
- Ambition , we commit, we move fast, with tenacity and efficiency.
- Collective , team first, low ego.
- Kindness , at the heart of every interaction.
- We're building a solid, aligned, and motivated team.
- 4+ years of experience in software engineering, ideally full-stack or back-end focused.
- Strong coding experience in TypeScript and Python , with a plus for Rust .
- Solid experience with modern web frameworks (React, SvelteKit, or equivalent) and Node.js .
- Comfortable designing and operating APIs, relational databases (PostgreSQL), and micro-services .
- Proven track record delivering projects in an agile, collaborative environment .
- Genuine desire to mentor and grow more junior profiles over time.
- Demonstrated ability to thrive in a demanding, fast-growing environment.
- Excellent analytical skills, attention to detail, and strong prioritization.
- Fluent English , mandatory (working language with our clients and the labs).
- Experience with GCP (or equivalent), Docker, and serverless technologies.
- Experience with infrastructure as code (Terraform, CloudFormation).
- Strong interest in data engineering, anonymization, and AI/RL environments .