Deel

Senior Backend Engineer – AI Focus

Deel

full-time

Posted on:

Origin:  • 🇪🇸 Spain

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Job Level

Senior

Tech Stack

CloudETLJavaScriptNode.jsPostgresPython

About the role

  • Build backend services that bring AI capabilities to life inside our Payroll workflows
  • Collaborate with ML engineers and operations to create real-world AI-powered tools
  • Tackle complex challenges that impact millions of people's working lives
  • Work within a globally distributed engineering team across R&D and Payroll Engineering

Requirements

  • 8+ years of experience in backend/full-stack engineering
  • JavaScript, Node.js and PostgreSQL experience
  • Strong API integration skills
  • Hands-on experience integrating AI APIs into production systems
  • Comfort working with unstructured/messy data and ETL pipelines
  • Python scripting experience for AI workflows (bonus)
  • Familiarity with OpenAI, Gemini, or Anthropic APIs (bonus)
  • Experience building chatbot or conversational interfaces (bonus)
  • Prompt engineering fundamentals (bonus)
  • Document/file parsing (CSV, PDF, Excel) (bonus)