> Markdown version of [/jobs/ext/3634159-backend-developer-langchain-langgraph-remote](https://www.wearedevelopers.com/jobs/ext/3634159-backend-developer-langchain-langgraph-remote). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Backend Developer (Langchain / Langgraph) - Remote - **Company:** SCI S.A - **Location:** Valencia, Spain (Remote available) - **Contract:** Permanent contract - **Skills:** LangGraph Framework, Artificial Intelligence, Software Architecture, Backend, Agentic-AI, Build Management, Information Technology - **Published:** October 8, 2026 - **Apply:** https://www.buscojobs.com.es/backend-developer-langchain-langgraph-remote-en-valencia-ID-375083947 ## About the Role Overview We are currently looking for an experienced Backend Developer with strong expertise in LangChain / LangGraph to join our client's international tech team.If you're passionate about AI agents and enjoy working on innovative backend architectures, this role is a great fit for you! Responsibilities Design and build AI Agents using LangChain / LangGraphFurther development and optimization of existing backend functionalitiesImplement new architectural specifications and ensure scalabilityStart : ASAPLocation : 100% RemoteYour profile Proven hands-on experience with LangChain and/or LangGraphExperience working with Agentic AI frameworksStrong background in backend architecture and system designPassion for AI-driven solutions and continuous improvementWhat we offer Work on cutting-edge AI projects with a forward-thinking international team100% remote flexibilityCompetitive compensation and long-term collaboration opportunitiesSeniority level Not ApplicableEmployment type Full-timeJob function Information TechnologyIndustries IT Services and IT Consulting#J-*****-Ljbffr ## Description Overview We are currently looking for an experienced Backend Developer with strong expertise in LangChain / LangGraph to join our client's international tech team.If you're passionate about AI agents and enjoy working on innovative backend architectures, this role is a great fit for you!Responsibilities Design and build AI Agents using LangChain / LangGraphFurther development and optimization of existing backend functionalitiesImplement new architectural specifications and ensure scalabilityStart : ASAPLocation : 100% RemoteYour profile Proven hands-on experience with LangChain and/or LangGraphExperience working with Agentic AI frameworksStrong background in backend architecture and system designPassion for AI-driven solutions and continuous improvementWhat we offer Work on cutting-edge AI projects with a forward-thinking international team100% remote flexibilityCompetitive compensation and long-term collaboration opportunitiesSeniority level Not ApplicableEmployment type Full-timeJob function Information TechnologyIndustries IT Services and IT Consulting#J-*****-Ljbffr