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Internship - Search Backend Infra Engineer

Perplexity AI · Belgrade

Applied AIremoteintern
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At a glance

Highlights

  • Build infrastructure powering high-performance search at scale.
  • Create internal tools improving developer workflows and efficiency.
  • Help operate fast, reliable systems with senior engineer mentorship.

Ideal candidate

Curious, self-driven student or self-taught builder in Serbia who has shipped a personal project and thrives on ownership, fast feedback, and continuous learning in high-performance teams.

Requirements

  • Working towards a degree in Computer Science, Engineering or related field or equivalent experience
  • Familiarity with Go, Rust, or C/C++ through coursework or projects
  • Interest in infrastructure, distributed systems, or backend engineering
  • Has built and finished a personal project beyond class assignments
  • Currently enrolled at a Serbian university or self-taught with strong passion
  • Comfortable working in English in a collaborative environment
  • Thrives in a high-performance, fast-paced environment with direct feedback

Lab profile

About Perplexity AI

Builds AI search answers and agentic Computer to turn knowledge into action.

What they build

  • Perplexity AI answer engine
  • Perplexity Computer agentic assistant
  • Comet AI browser and desktop apps

Known for

  • Agentic AI and agent capabilities
  • Applied AI product engineering
  • Cross-platform apps across web, mobile and desktop
  • Multimodal AI and integrations

Key facts

  • Founded in 2022
  • Headquartered in San Francisco, California
  • Serves millions of users daily
More about Perplexity AI →
Apply on the lab’s site ↗

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