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13 open roles read nightly from companies’ own hiring pages. Each one links to the original ad.
1–13 of 13 jobs
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Perplexity · London, England, United Kingdom +1
HybridFull-timeLead / staffPerplexity's fraud prevention team protects our products, users, and infrastructure from fraud and abuse across the whole lifecycle: sign-up, authentication, payments, API usage, and product features. We build and operate a real-time decisioning platform together with the…
Perplexity · San Francisco, California, United States +1
HybridFull-timeLead / staff$220K – $405K a yearDesign, build, and own growth surfaces across the mobile funnel — install, activation, onboarding, lifecycle, conversion, retention, and paid upgrade moments — on Android.; Lead experiments end-to-end, from hypothesis and instrumentation through implementation, analysis, and…
Perplexity · Belgrade, Serbia +2
HybridFull-timeLead / staffFind and diagnose quality issues in our crawling pipeline; Train small models that optimize particular aspects of the pipeline (e.g. parsing quality); Build datasets for model training, including LLM-as-a-judge labeling pipelines; Improve page selection algorithms for indexing;…
Perplexity · Belgrade, Serbia +2
HybridFull-timeLead / staffPush search and agent quality forward through improvements to models, training data, tools, and system design.; Develop LLM post-training methods, including reinforcement learning, to improve reasoning, search, tool use, and task completion.; Train and evaluate multi-agent…
Perplexity · Belgrade, Serbia +2
Full-timeLead / staffDesign and implement highly available, high-performance, and scalable systems.; Design and implement various tools for other engineers helping them with their day to day job.; Design and implement CI/CD and other workflows to enhance stability, robustness and speed of…
Perplexity · Berlin, Germany
Full-timeLead / staffRelentlessly push search quality forward — through models, data, tools, or any other leverage available; Architect and build core components of the search platform and model stack; Design, train, and optimize large-scale deep learning models using frameworks like PyTorch,…
Perplexity · Belgrade, Serbia +2
RemoteFull-timeLead / staffDesign and build core search engine components, especially indexing pipelines, data storage formats that operate at the scale of billions of pages; Develop streaming and batch data processing with YT systems for search index construction in a high-load environment; Push the…
Perplexity · Belgrade, Serbia +2
HybridFull-timeLead / staffFind and diagnose quality issues in our search pipeline; Design metrics from scratch to track and measure search quality; Build datasets for model training, including LLM-as-a-judge labeling pipelines; Improve search snippet quality and page selection algorithms for indexing;…
Perplexity · Belgrade, Serbia +1
Full-timeLead / staffPush search quality forward through models, data, evaluation, infrastructure, or any other leverage available.; Own ranking-quality problems end to end: define the evaluation, identify the bottleneck, build the solution, and ship it safely.; Train and evaluate retrieval,…
Perplexity · Belgrade, Serbia +2
Full-timeLead / staffTake ownership of and lead projects focused on developing large-scale web crawlers, ingestion pipelines, and data processing systems.; Build, maintain, and optimize core backend and frontend components for crawler services, including storage, retrieval, and UI dashboards for…
Perplexity · Belgrade, Serbia +2
Full-timeLead / staffDesign and build core search engine components, including indexing pipelines, retrieval algorithms, and ranking systems that operate at the scale of billions of pages; Develop streaming and batch data processing systems for search index construction in a high-load environment;…
Perplexity · Belgrade, Serbia +2
HybridFull-timeLead / staffRelentlessly push search quality forward—through models, data, tools, or any other leverage available; Architect and build core components of our search platform and model stack; Train and evaluate retrieval, ranking and classification models, including LLMs; Deploy models -…
Perplexity · Belgrade, Serbia +2
Full-timeLead / staffBuild and operate scalable, low-latency infrastructure for search serving and retrieval.; Design and improve distributed backend systems that handle high request volumes.; Debug and optimize Linux systems, containers, networking, and production services.; Improve reliability…
Updated 07 Nov 2026 10:21 UTC from the OptiTalent job library.