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Product Engineer (Mid-Senior Level Full Stack)

haddock (YC W22)

barcelona, cataluña, Spain Full-time June 14, 2026
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Opportunity Description

Responsibilities

Engineers at haddock are action-oriented, curious, autonomous, and take full ownership of their work.

  • Architect technical solutions
  • Build backend and frontend code (80% backend, 20% frontend)
  • Engineer AI workflows, balancing latency, cost and accuracy
  • Do your own project management, rolling out your initiatives to customers
  • Track users, measure interactions and extract conclusions
  • Talk to customers to validate ideas and get feedback

Example Work

  • Enabling Fina to match bank movements with invoices, finding gaps and reporting them to the suppliers via AI phone call.
  • Enabling business data to tell the story of the restaurant to their owners, displaying them financial metrics and insights, and enabling AI agents to work on that data.
  • Increasing adoption of inventories to 50% of customers, a crucial part of operations at a healthy restaurant bu...
Full-time Ingeniería y tecnología

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