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Founding Fullstack Engineer Verso Backed By Hexa H/F eFounders

  • Paris 10e - 75
  • CDI
  • Télétravail occasionnel
  • Bac +2
  • Bac +3, Bac +4
  • Bac +5
  • Services aux Entreprises
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Les missions du poste

Verso is building the Consumer Intelligence OS.

We replace traditional qualitative research agencies with an AI-native platform that conducts, analyzes, and compounds consumer conversations at scale. Instead of one-off studies, companies get a continuous, structured understanding of their customers.

Our ambition is to make consumer insight a real-time, always-on system embedded in every product and marketing decision.

We're starting with AI-moderated interviews - but this is just the entry point. The long-term product is a system of record for consumer understanding, powered by agentic workflows.

Backed by Hexa (eFounders), behind Aircall, Front, Spendesk, Yousign and 50+ others.

Verso is founded by an experienced team with a strong track record in strategy, technology, and company building.

- CEO: HEC graduate, 7 years at BCG (Principal), expert in strategy, innovation, and consumer goods

- CTO: Dual degree X/HEC, former lead at CO2 AI, expert in AI and scalable product development

The role

You will join Verso as a Founding Engineer to own systems end-to-end from infrastructure to product, with no strict boundaries - and help define engineering standards, observability, and the foundations of the team.

You will design and scale a coherent AI system end-to-end, at the intersection of agents, data, and product:

  • An AI interviewer interacting with users at scale (voice & video), sustaining long-form conversations with high reliability

  • Agent systems (state, memory, evaluation loops) orchestrating complex interactions

  • Real-time and async pipelines transforming multimodal data (video, audio, text) into structured, actionable insights

  • A client platform to explore these insights through an AI-native interface

  • Data systems to structure, query, and reuse qualitative knowledge at scale

  • Optimization of latency, cost, and performance across LLM, TTS, STT

  • Reliability of long-running AI workflows in production

What makes this role unique

  • You will build production-grade AI systems, not prototypes

  • You will work on long-form, high-stakes interactions, not short prompts

  • You will design systems where AI quality is as critical as system reliability

  • You will operate at the intersection of AI, data, infrastructure, and product

Current stack

  • Frontend: TypeScript, React, Tailwind, shadcn

  • Backend: Python, FastAPI, SQLAlchemy

  • Infra: Vercel, Railway, Supabase AWS

  • AI: LLM orchestration, STT/TTS pipelines, eval systems (rapidly evolving)

Note: no need to necessarily master Python and Typescript, your coding agents do 😉

Le profil recherché

  • You want to build production-grade AI systems on messy, real-world data - not demos

  • You're comfortable owning systems end-to-end, from architecture to production

  • You have experience with complex systems (real-time, data pipelines, or LLM-based products)

  • You have strong intuition for trade-offs (latency, cost, quality, reliability)

  • You're motivated by building an ambitious, category-defining company with long-term ownership - not just execution.

Why join

  • Category-defining shift: we're not improving research workflows - we're turning consumer understanding into a continuous system.

  • Hard technical problems: production AI systems over rich, unstructured data (audio, video, text, structured), spanning both a B2C product (low latency, high scale, responsiveness) and a B2B platform (enterprise-grade reliability, security, and data integrity).

  • Full ownership: you'll own architecture, product, and execution from day one, with direct impact on the company trajectory.

  • Meaningful equity: early-stage package with strong upside, aligned with long-term value creation (next fundraise in the coming months).

  • Hexa environment: operate within a top-tier startup studio, with access to talent, resources, and a strong builder ecosystem.

Verso is committed to creating a diverse environment. All qualified applicants will receive consideration for employment irrespective of gender, origin, identity, background, and sexual orientation.

We know there's a long way to go regarding diversity in our industry, which is why we encourage all applicants - especially those listed above - to apply to our open positions.

Bienvenue chez eFounders

Verso is building the Consumer Intelligence OS.

We replace traditional qualitative research agencies with an AI-native platform that conducts, analyzes, and compounds consumer conversations at scale. Instead of one-off studies, companies get a continuous, structured understanding of their customers.

Our ambition is to make consumer insight a real-time, always-on system embedded in every product and marketing decision.

We're starting with AI-moderated interviews - but this is just the entry point. The long-term product is a system of record for consumer understanding, powered by agentic workflows.

Backed by Hexa (eFounders), behind Aircall, Front, Spendesk, Yousign and 50+ others.

Verso is founded by an experienced team with a strong track record in strategy, technology, and company building.

- CEO: HEC graduate, 7 years at BCG (Principal), expert in strategy, innovation, and consumer goods

- CTO: Dual degree X/HEC, former lead at CO2 AI, expert in AI and scalable product development

Publiée le 21/03/2026 - Réf : HEXA_aX9Yg7P

Founding Fullstack Engineer Verso Backed By Hexa H/F

eFounders
  • Paris 10e - 75
  • CDI

Pour les postes éligibles :

Télétravail occasionnel
Postuler sur le site du recruteur Publiée le 21/03/2026 - Réf : HEXA_aX9Yg7P

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