Internship - Search Backend Infra Engineer

TL;DR

Internship - Search Backend Infra Engineer: Building and operating robust infrastructure and backend services that power Perplexity's search experience with an accent on high-performance search systems, API design, and scalability. Focus on designing internal tools, optimizing Linux-based services, and contributing to product codebases using Rust, Go, or C++.

Location: Belgrade, Serbia (onsite)

Company

Perplexity is a company building and optimizing high-performance search systems that power a search experience.

What you will do

• Build and maintain infrastructure that supports high-performance search systems.
• Design internal tools and automation to improve developer workflows and operational efficiency.
• Support the design, deployment, and monitoring of cloud-native systems on AWS.
• Contribute to improving CI/CD pipelines, testing infrastructure, and release processes.
• Debug and optimize Linux-based services, containers, and backend systems.
• Contribute to product codebases, primarily using Rust, Go or C++.

Requirements

• Working towards a degree in Computer Science, Engineering, or a related field, or equivalent practical experience.
• Familiarity with at least one programming language such as Go, Rust, or C/C++.
• Interest in infrastructure, distributed systems, or backend engineering.
• Proactive and curious learner who enjoys collaborating in a fast-paced environment.

Nice to have

• Basic understanding or exposure to cloud infrastructure (AWS) and Linux systems.

Culture & Benefits

• Mentorship from senior engineers.
• Collaborating in a fast-paced, innovative environment.
• Opportunity to learn about CI/CD, monitoring, and performance.
• Full-time internship program (12-24 weeks).