LangChain
Backend Engineer, Observability & Evals Platform
LangChain, San Francisco, California, United States, 94199
Overview
LangChain was founded in early 2023 to help developers build context-aware reasoning applications.
LangSmith
is our commercial, all-in-one SaaS platform that enables the end-to-end, development workflow for building LangChain and LLM-powered apps. LangSmith is now trusted by the best teams building with LLMs, at companies such as Airbnb, Rakuten, Elastic, Moodys, Retool, and more. Were a small team making an outsized impact (~5M monthly downloads and 50k+ applications powered). Backed by some of the best venture capitalists, Benchmark and Sequoia, we have big ambitions and are set up to build an enduring business. In person 5 days/week in San Francisco, CA or New York, NY Responsibilities
Design, develop, and maintain backend services and APIs to support LangSmiths tracing, monitoring, and evaluation workflows. Collaborate on architectural decisions to ensure systems are performant and maintainable. Optimize storage and query performance for high-volume observability and evaluation data. Ensure system reliability through strong testing, monitoring, and alerting practices. Troubleshoot and resolve production issues, performing root-cause analysis and implementing long-term fixes. Create and maintain technical documentation, including system design and API references. Work closely with full-stack engineers, product managers, and product designers on rolling out new features. Qualifications
3+ years of professional experience in backend engineering Proficiency in one or more backend languages/frameworks, ideally Python or Go Strong understanding of API design and building reliable data services. Experience with high-throughput or mission-critical systems. Demonstrated ability to optimize backend services for performance and reliability. Experience with database systems (Postgres, Redis, Clickhouse), and cloud platforms (AWS, GCP, Azure) Strong communication skills, with the ability to collaborate cross-functionally Customer centricity and ownership mentality Compensation & Benefits
Competitive salary, equity & benefits package, commensurate with experience and aligned with stage of the company. Annual salary range: $155,000- $195,000
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LangChain was founded in early 2023 to help developers build context-aware reasoning applications.
LangSmith
is our commercial, all-in-one SaaS platform that enables the end-to-end, development workflow for building LangChain and LLM-powered apps. LangSmith is now trusted by the best teams building with LLMs, at companies such as Airbnb, Rakuten, Elastic, Moodys, Retool, and more. Were a small team making an outsized impact (~5M monthly downloads and 50k+ applications powered). Backed by some of the best venture capitalists, Benchmark and Sequoia, we have big ambitions and are set up to build an enduring business. In person 5 days/week in San Francisco, CA or New York, NY Responsibilities
Design, develop, and maintain backend services and APIs to support LangSmiths tracing, monitoring, and evaluation workflows. Collaborate on architectural decisions to ensure systems are performant and maintainable. Optimize storage and query performance for high-volume observability and evaluation data. Ensure system reliability through strong testing, monitoring, and alerting practices. Troubleshoot and resolve production issues, performing root-cause analysis and implementing long-term fixes. Create and maintain technical documentation, including system design and API references. Work closely with full-stack engineers, product managers, and product designers on rolling out new features. Qualifications
3+ years of professional experience in backend engineering Proficiency in one or more backend languages/frameworks, ideally Python or Go Strong understanding of API design and building reliable data services. Experience with high-throughput or mission-critical systems. Demonstrated ability to optimize backend services for performance and reliability. Experience with database systems (Postgres, Redis, Clickhouse), and cloud platforms (AWS, GCP, Azure) Strong communication skills, with the ability to collaborate cross-functionally Customer centricity and ownership mentality Compensation & Benefits
Competitive salary, equity & benefits package, commensurate with experience and aligned with stage of the company. Annual salary range: $155,000- $195,000
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