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Duck Duck Go

Senior Backend Engineer

Who can apply: US-based role. The employer has not said which states are eligible — confirm before applying.
Location as listed by the employer: “USA (Remote); Slovakia (Remote); Spain (Remote); Czechia (Remote); Switzerland (Remote); Estonia (Remote); Mexico (Remote); Israel (Remote); Bulgaria (Remote); Austria (Remote); Iceland (Remote); Croatia (Remote); Hungary (Remote); Ireland (Remote); Canada (Remote); South Africa (Remote); Brazil (Remote); Finland (Remote); UK (Remote); Cyprus (Remote); Malta (Remote); Latvia (Remote); Argentina (Remote); Poland (Remote); Uruguay (Remote); Slovakia; Spain; Czechia; Switzerland; Estonia; Mexico;…”
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About this role

Duck Duck Go is hiring for a Senior Backend Engineer role (full-time). See the official posting for full details.

Requirements

  • 7+ years of professional experience, primarily focused on backend systems that power consumer-facing products
  • Product acumen to reason about technical tradeoffs in terms of user impact
  • Familiarity with AI agent tooling: evaluation frameworks, RAG pipelines and prompt engineering
  • A fundamental understanding of complex data structures and algorithms — you can develop and apply new solutions and confidently navigate and improve existing code.
  • Data-driven analytical skills for decision-making, stakeholder alignment, and experiment-oriented delivery
  • Solid project management abilities
  • Excellent written and verbal communication to validate and articulate decisions
  • Previous experience leading and mentoring experienced engineers, supporting their career goals, and unlocking their potential.

Summarized from the employer's posting — check the full posting for every requirement.