CTO hands-on

You will take over from a strong external development team, ensure a smooth knowledge transfer, and set the company up for long-term product velocity and enterprise-grade reliability.

What you will own

• End-to-end platform architecture (frontend, backend, data, infrastructure)
• Production reliability for real, high-stakes enterprise workflows
• Security, auditability, and data protection for sensitive procurement dataEngineering standards, delivery cadence, and future hiring roadmap

️ About the company

We are a Paris-based B2B SaaS startup (team of ~6) combining deep procurement expertise with startup execution speed .

In the past 12 months, we have:

• Built and shipped a high-performance SaaS platform
• Secured €1M+ in projected revenue
• Raised €2M+ from top-tier European venture funds
• Signed multiple enterprise customers and are scaling rapidly

The product is live, used daily, and delivering tangible value - customer satisfaction is one of our strongest signals.

️ Product & technical roadmap

We have already built 18 types of eAuctions , giving buyers advanced levers to run better negotiations. What's next:

• AI-driven Auction Builder
• A system that reads incoming RFPs and recommends the optimal negotiation strategy - then configures it directly in the platform.
• Smarter automation
• Enhanced auction logic, pricing intelligence, and bidder behavior analysis using optimization algorithms and LLMs.
• End-to-end procurement workflow
• Becoming the central sourcing cockpit, with negotiation at the core and a seamless, integrated enterprise experience., * Frontend: Nuxt 3, Vue, Vuetify
• Backend: Nuxt 3 (Nitro)
• Database: PostgreSQL (Supabase)
• Hosting: Vercel

The stack can evolve as we scale - with a strong preference for pragmatic decisions that protect delivery speed .

Do you have experience in SaaS?, * Strong delivery cadence, fewer incidents, faster iterationHiring and onboarding plan defined and first hire(s) made if needed, * Strong full-stack background with true ownership of production systems

• Solid experience with Vue and Node.js (Nuxt is a big plus)
• Strong PostgreSQL fundamentals (Supabase experience is a plus)
• Experience building and operating a demanding B2B SaaS product
• High bar for reliability, performance, clean architecture, and security
• Comfortable working autonomously and making tradeoffs, * Previous experience leading or mentoring engineers (formally or informally)
• Built workflow-heavy or real-time systems
• Integration mindset (ERP, SAP-like systems, SSO, audit trails, exports)Interest in AI-enabled product features and automation

Work setup

We are looking for someone based in Paris or willing to work mostly in person .