Entrepreneur in Residence (EIR)

Madrid, Spain / Portugal·Full-time·Added 2 months ago

The Flex

6 open roles

What they offer

  • Full-time hours

    Per the ad.

  • Fully remote

    Per the ad.

What they ask for

  • Have the right to work in Spain

    The Flex doesn't mention sponsorship in the ad.

  • Have senior-level experience

    Senior-level role.

The role

Base360.ai is building the AI operating system for B2C businesses.

We unify every customer interaction—from social media comments and DMs to WhatsApp, email, SMS and phone calls—into a single platform powered by AI. Our mission is to replace dozens of disconnected tools with one intelligent operating system that helps businesses acquire, engage and convert customers.

We're building ambitious products, moving fast, and looking for exceptional entrepreneurs who want to build the next generation of AI companies from within.

What you'll do

  • Identify high-potential opportunities that can become new products or business verticals.

  • Validate customer problems through research and direct conversations.

  • Define the product vision, strategy, and go-to-market plan.

  • Work alongside engineering, product, design and AI teams to build and launch quickly.

  • Recruit and lead your own multidisciplinary team as the venture grows.

  • Own growth, product adoption, customer success and financial performance.

  • Make data-driven decisions and iterate rapidly based on customer feedback.

  • Present progress directly to the founders and executive team.

  • Build a business that could eventually operate as its own division—or even become an independent company.

The Role

As an Entrepreneur in Residence (EIR), you won't be joining a department—you'll be building one.

Your mission is to identify a major opportunity, build a new product or business vertical within Base360.ai, assemble the right team, validate the market, and grow it into a standalone business with significant revenue and impact.

Think of it as founding a startup—with the advantage of funding, engineering, design, AI infrastructure, customers, distribution, and executive support already behind you.

If successful, you will become the long-term leader of your venture.

What We're Looking For

  • Entrepreneurial mindset with a bias toward action.

  • Exceptional problem-solving ability.

  • Strong product and commercial intuition.

  • Comfortable working with ambiguity and creating structure where none exists.

  • Excellent communication and leadership skills.

  • Ability to recruit, inspire and lead high-performing teams.

  • Highly analytical with strong execution capabilities.

  • Obsession with customers and building products people love.

  • Comfortable wearing multiple hats across product, sales, marketing and operations.

  • AI-native and excited about building with the latest AI technologies.

Previous startup experience—as a founder, early employee, product leader, operator or investor—is highly valued but not required.

What Success Looks Like

Within your first 12–24 months, you will have:

  • Built and launched a new business vertical.

  • Hired and led your own cross-functional team.

  • Achieved strong product-market fit.

  • Generated meaningful recurring revenue.

  • Established yourself as the long-term General Manager of your venture.

Why Join Base360.ai?

  • Be part of an innovative and fast-growing company building the AI operating system for B2C brands.

  • Build your own venture with the backing of an experienced founding team.

  • Access world-class engineering, AI, product, design and go-to-market resources.

  • Receive funding, mentorship and strategic support to turn your vision into reality.

  • Opportunity to build a team and establish a long-term business within Base360.ai.

  • Competitive salary and performance-based incentives.

  • Significant long-term career growth, with the opportunity to lead an entire business unit.

You should NOT apply if:

  • You are looking for a corporate 9 to 5 job.

  • You are political and enjoy gossiping and talking about people behind their backs.

  • You are looking for a stable and slow dead-end job.

  • You do not aim to be one of the best in the world at what you do.

About The Flex

The Flex is a PropTech company operating in the real estate technology sector, focused on building software solutions for the property industry. The company is at an early stage, operating as a startup with a small, focused team. Their work centers on developing products that address challenges in the real estate market, leveraging technology to improve processes for property professionals.

The Flex has established a presence in Madrid, Spain, where they are actively hiring for their founding team. As a young startup, they offer international professionals the opportunity to join at the ground level, taking on significant ownership and responsibility in shaping the company's product and growth. Their work culture is likely dynamic and fast-paced, typical of early-stage startups, with a strong emphasis on engineering and product development.

Industry
PropTech
Employees
50
Headquarters
Madrid, Spain
In Spain
Madrid

Good to know if you are moving

  • Early-stage startup: joining now means you can have significant impact on the product and company culture.
  • Based in Madrid, Spain, offering a chance to be part of a founding team in the PropTech sector.
  • As a startup, the company may offer equity or other incentives to early employees, common in this stage of company growth.
  • The team is small, so roles are likely to be cross-functional and offer broad responsibility.
  • The company is building software for the real estate industry, a sector with global relevance.
All open roles at The Flex
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