💼 Full-Time Position

Senior Full Stack AI Native Developer

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leadtech
📍 Spain, Spain, Spain
📍
Location
Spain, Spain
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Posted
June 09, 2026
⏰
Type
Full-Time
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Full-Time Opportunity: This is a permanent, full-time position with a competitive package and real career growth potential.

Job Description

As part of the Development team as a Full-Stack Developer, you will be instrumental in building and scaling our platforms and products. You will work across our entire A.I technology stack to deliver a seamless and powerful user experience. You will be joining projects with a shipping fast approach and a modern tech stack.

  • Extensive knowledge of Javascript/Typescript.
  • Design, implement, and maintain RESTful APIs with NextJS/Express to manage user authentication, data processing, and orchestrate analysis workflows
  • Model Context Protocol (MCP) Knowledge Agents with Claude SDK: to Build AI agents access to real-time data, APIs, and tools Create AI Agents that can actually take actions, Combine the reasoning power of LLMs with real-world integration
  • Build AI Agents with LangGraph + LangFuse that can handle multi-step reasoning, Create workflows where AI agents collaborate or hand off tasks to other agents. Maintain conversation state and context across...