{"schemaVersion":"jobsearcher.job.v1","id":"abbbc8db18797a254193aa1f","url":"https://jobsearcher.com/jobs/abbbc8db18797a254193aa1f","canonicalUrl":"https://jobsearcher.com/jobs/abbbc8db18797a254193aa1f","title":"JavaScript Engineer (Open Source Team)","description":"About LangChain At LangChain, our mission is to make intelligent agents ubiquitous. We help developers build mission-critical AI applications across the entire agent development lifecycle. Our open source frameworks — LangChain and LangGraph — see over 70+ million downloads per month. Developers rely on LangChain for composable integrations and LangGraph for controllable agent orchestration. Our commercial agent platform, consisting of LangSmith and LangGraph Platform, enables teams to build, test, run, and manage agents at scale across their organization.\r\nFounded in 2023, LangChain powers top engineering teams at companies like Replit, Lovable, Clay, Klarna, LinkedIn, and more.\r\nAbout the role: We're looking to add a core maintainer to the LangChain team. This person would be responsible for maintaining and improving the LangChain JavaScript package. In-person in SF preferred.\r\nImproving the core abstractions and runtime of the langchain and langgraph packages\r\nImproving documentation\r\nAnswering user questions and resolving issues\r\nUse langchain to build example applications\r\nHow to be successful in this role Have a Software Engineering background\r\nHave strong written and oral communication skills, with the ability to explain technical concepts clearly and concisely to both technical and non-technical stakeholders\r\nCan thrive in a fast-moving environment. Views unstructured environments as an opportunity to figure out the most impactful work and define the future success of the company\r\nAre ownership-minded. You excel at managing your work efficiently and effectively without the need for close supervision\r\nCompensation & Benefits: Competitive salary and equity stake for role and stage of company. Commensurate with experience.\r\nAnnual salary range: $115,000-$155,000 USD, $145,000-$195,000 USD for Senior Engineer candidates\r\nJ-18808-Ljbffr","company":"Langchain","rawCompany":"langchain","city":"New York","state":"NY","isRemote":false,"isActive":false,"createdAt":"2026-07-04T02:42:38.297Z","occupations":[{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"},{"code":"15-1251.00","title":"Computer Programmers","slug":"computer-programmers"},{"code":"15-1254.00","title":"Web Developers","slug":"web-developers"}],"industries":[{"code":"513210","title":"Software Publishers","slug":"software-publishers"},{"code":"541511","title":"Custom Computer Programming Services","slug":"custom-computer-programming-services"},{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"JavaScript Engineer (Open Source Team)","description":"About LangChain At LangChain, our mission is to make intelligent agents ubiquitous. We help developers build mission-critical AI applications across the entire agent development lifecycle. Our open source frameworks — LangChain and LangGraph — see over 70+ million downloads per month. Developers rely on LangChain for composable integrations and LangGraph for controllable agent orchestration. Our commercial agent platform, consisting of LangSmith and LangGraph Platform, enables teams to build, test, run, and manage agents at scale across their organization.\r\nFounded in 2023, LangChain powers top engineering teams at companies like Replit, Lovable, Clay, Klarna, LinkedIn, and more.\r\nAbout the role: We're looking to add a core maintainer to the LangChain team. This person would be responsible for maintaining and improving the LangChain JavaScript package. In-person in SF preferred.\r\nImproving the core abstractions and runtime of the langchain and langgraph packages\r\nImproving documentation\r\nAnswering user questions and resolving issues\r\nUse langchain to build example applications\r\nHow to be successful in this role Have a Software Engineering background\r\nHave strong written and oral communication skills, with the ability to explain technical concepts clearly and concisely to both technical and non-technical stakeholders\r\nCan thrive in a fast-moving environment. Views unstructured environments as an opportunity to figure out the most impactful work and define the future success of the company\r\nAre ownership-minded. You excel at managing your work efficiently and effectively without the need for close supervision\r\nCompensation & Benefits: Competitive salary and equity stake for role and stage of company. Commensurate with experience.\r\nAnnual salary range: $115,000-$155,000 USD, $145,000-$195,000 USD for Senior Engineer candidates\r\nJ-18808-Ljbffr","datePosted":"2026-07-04T02:42:38.297Z","dateModified":"2026-07-04T02:42:38.297Z","hiringOrganization":{"@type":"Organization","name":"Langchain","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"New York","addressRegion":"NY","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"abbbc8db18797a254193aa1f"},"url":"https://jobsearcher.com/jobs/abbbc8db18797a254193aa1f"}}