Search Senior Backend/Infrastructure Engineer (London, Belgrade, Berlin)
Role Overview
This senior-level role involves building and maintaining scalable cloud infrastructure on AWS to support high-performance search systems, including developing automation tools and improving CI/CD pipelines. The engineer will work across both infrastructure and application code, primarily using Python and systems languages like Go, in a small, fast-paced team focused on revolutionizing internet search. They will have direct impact on core systems powering products and developer workflows.
Perks & Benefits
The job is fully remote, with flexibility in locations such as London, Belgrade, and Berlin, implying a distributed team and potential time zone accommodations. It offers a dynamic, innovative environment with opportunities for career growth through hands-on work on cutting-edge technology. While not explicitly stated, typical perks may include competitive benefits and a culture that values proactive learning and operational efficiency.
Full Job Description
Perplexity is looking for a Senior Infrastructure Engineer to join our small team revolutionizing the way people search and interact with the internet. Your passion and diligence will be critical to ensure a high quality product. This role blends infrastructure expertise with software engineering -- you'll own core systems that power our products and development workflows.
Responsibilities
Build and maintain robust, scalable infrastructure to support high-performance search systems
Develop internal tools and automation to streamline developer workflows and operational efficiency
Design, deploy, and operate cloud-native systems, primarily on AWS
Improve and support CI/CD pipelines, testing infrastructure, and release processes
Debug and optimize Linux systems, containers, and backend services
Contribute directly to product codebases, working across Python, Go, and other systems languages
Requirements
Strong background in cloud infrastructure (AWS preferred), systems design, and automation
Deep understanding of Linux internals, performance tuning, and debugging
Experience building or maintaining CI/CD systems and tooling
Strong Python skills and fluency in at least one systems language (Go, Rust, C/C++, or Java)
Comfort working across both infrastructure and application-level code
A proactive learner who thrives in a fast-paced, innovative environment
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