Software Engineer | AI x Fintech | Founding Engineering Team

Confidential • barcelona, cataluña, Spain • Posted June 07, 2026

Location barcelona, cataluña
Job Type Full-time
Category Informática y tecnología
Posted June 07, 2026

About the opportunity

This is not a typical engineering hire. This is a founding seat inside the Barcelona office of a fast growing, well-funded company building the financial infrastructure layer for AI agents.

You will work alongside an experienced founding team with strong backing, high technical standards, and a product already gaining traction.

This is the kind of role where ownership is real: architecture decisions, product direction, engineering practices, and long-term impact.

The team behind

You’ll work alongside operators who have already built category-defining companies:

  • CEO previously scaled a company to $250M ARR and a $4.4B valuation
  • CPO previously founded and sold a billing infrastructure company to Salesforce
  • Early engineers and advisors from Stripe, Meta & Palantir
  • The Barcelona office will become the company’s founding engineering hub ...

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