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Full-Stack Engineer, Co-founder (40k-60k€ + 10-20% Equity) AI Native / Voice Agents Startup [React / NodeJS]

Full-Stack Engineer, Co-founder (40k-60k€ + 10-20% Equity) AI Native / Voice Agents Startup [React / NodeJS]

HireflixCatalonia, Catalonia, España
Hace más de 30 días
Descripción del trabajo

We're building an AI-native platform with autonomous agents, smart workflows, and real-time voice interactions. Looking for Full-Stack Engineer who will join the co-founding team. When the tech team grows, you will become the CTO.

Key Information :

  • Who are we? We're a SaaS hiring startup, set to launch in September 2025.
  • What are we aiming for? To offer a simple, unique, and differentiated solution that addresses some of the recruiter’s most painful problems.
  • What drives / obsesses us? One of the founders has +20 years of recruiting experience, founded Infojobs.net and Hireflix.com, and has tested every ATS on the market — he’ll be a heavy daily user.
  • Product : AI Interviews / Agents + Omnichannel / All-In-One : WhatsApp + LinkedIn + Email. We’ll be the first to launch something key in the fast detection of talent.
  • Market : Primarily the US, but global from day one.
  • Customers : We are not going enterprise, this won’t be a company with a sales team : CEO = Sales. The product will be extremely simple : only the features that solve the recruiter’s biggest pains.
  • Risks : Like in any startup, they exist, and we’ll explain them during the interview.
  • Founding team : +
  • Funding : Well-funded with 2 years of runway. Investors : +10 successful entrepreneurs with exits in their projects.
  • Goal : Reach break-even within 2 years. We don’t plan to raise more rounds — full focus on acquiring customers.

Tech & Challenges :

  • Next.js (frontend, SSR)
  • Python (backend, AI integrations)
  • API integrations, LLM agents, voice tech.
  • Designing autonomous, voice-driven workflows.
  • Connecting external tools (CRMs, ATS, etc.)
  • You Are :

  • Full-stack (Must : 3+ yrs, Nice2Have : 5+)
  • Product-driven, fast-moving, execution-focused.
  • Not afraid to own tech, product, and early architecture.
  • Excited by autonomy, speed, and building from zero.
  • Have you been a co-founder? (Nice2Have) Drop me a DM ASAP.
  • We Offer :

  • Co-founder role : salary (40-60k) + meaningful equity (10-20% POSTRound)
  • The final salary and equity will depend on several factors that we will explain during the interview.
  • Hybrid, async-friendly, but both founders are 100% in-person and that’s our preference. It's very hard to go from 0 to 1 : we prefer to be physically together (at least 3 days), maintaining extreme focus and avoiding interruptions. btw : we are open to talk.
  • Office in Barcelona : Diagonal / Casanova. Top-floor penthouse with terrace. Private and very quiet office : We're NOT a co-working space, but we're on the same floor as other startups like Banktrack.
  • Working hours? : If you're asking yourself this question, definitely don't apply. (This is a Co-founder role, with 10-20% Equity post 700k€ Round)
  • Zero BS, Zero micromanagement, Near-Zero meetings.
  • Crear una alerta de empleo para esta búsqueda

    Fullstack Engineer • Catalonia, Catalonia, España

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