Software Engineer

We're ooak data

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 buildingAlexandria,the world's largest library of real-world business workflow datasets.

Over the next 6 months, we'll acquire and anonymize300+ full data ecosystemsfrom real-world companies. This will allow us to

• become the leader of real business workflow data
• be in the best position to launch our owndata 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.

🤝 Our values

• 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.

The offer

📍 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

💰 €60k to €90k + BSPCE 0.2% to 0.5%

👥 Team:

• 3 co-founders (Pierre-Louis, CEO; Grégoire, CPO & COO; Thomas, CTO)
• 3 FTEs: 1 ML engineer and 2 ops.

✅ Your missions

As aSoftware Engineerand afounding 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 scalethe web platform and internal tooling our team and partners use to ingest, process, and explore data.
• Build robustback-end services and APIspowering our data pipelines and RL environments.
• Craft clean, reactivefront-end interfacesfor data curation, annotation, and monitoring.
• Define our technical standardsand 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 growthe future members of the tech team, building a strong software engineering culture at Ooak Data.

✏️ Recruitment process

We can move very fast.

• A 30 min intro call with Grégoire (COO & co-founder)
• A 30 min call with Thomas (CTO & co-founder)
• A technical case study:
• Async preparation
• Debrief interview with Thomas
• A final fit interview with the founding team

Requirements

🔍 Who we're looking for

• 4+ years of experiencein software engineering, ideally full-stack or back-end focused.
• Strong coding experienceinTypeScriptandPython, with a plus forRust.
• Solid experience withmodern web frameworks(React, SvelteKit, or equivalent) andNode.js.
• Comfortable designing and operatingAPIs, relational databases (PostgreSQL), and micro-services.
• Proven track recorddelivering projects in an agile, collaborative environment.
• Genuine desire tomentor and growmore 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).

The extras that make the difference

• Experience with GCP (or equivalent), Docker, and serverless technologies.
• Experience withinfrastructure as code(Terraform, CloudFormation).
• Strong interest indata engineering, anonymization, and AI/RL environments.

Benefits

• 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:
• Alanhealth insurance (mutuelle)
• 50% Navigo covered