Backend Engineer
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About LinotypeLinotype builds AI copilots that answer reader questions directly in articles, helping publishers retain audiences on their own sites. We're supported by Pear VC, Streamlined Ventures, 645 Ventures, and Hawktail.The RoleBuild and scale the core systems powering our AI platform. Work on RAG pipelines, vector search, LLM orchestration, and high-throughput APIs.What You'll DoBuild high-performance APIs for ad serving, bidding, and campaign managementDesign scalable data pipelines for advertiser content ingestion and semantic indexingOptimize vector search and matching systems for ad retrieval and relevanceIntegrate ML models into production with robust monitoring and fallback strategiesImplement real-time analytics and reporting infrastructure for campaign performanceOwn service reliability through observability, alerting, and incident responseWhat We're Looking ForBackend engineering experience with high-scale distributed systemsProficiency in Python, Node.js, and GoExperience building production APIs that handle high traffic volumesDeep understanding of SQL and vector databasesStrong fundamentals in data structures, algorithms, and system designNice to HaveExperience with ad tech, programmatic advertising, or RTB systemsBackground in ML infrastructure or model servingFamiliarity with real-time systems and event streamingOpen-source contributions or technical writing