Senior AI Fullstack Engineer

New
J
JimdoWebsite builder / AI
Germany. Secondary Locations: Italy, Portugal, SpainFull-TimeSenior
Salary not disclosed
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Job Details

Experience
5+ years
Required Skills
AWSNode.jsTypeScriptReactRESTful APIsMicroservicesLLMLangChainDistributed Systems

Requirements

  • 5+ years of professional software engineering experience.
  • Prior experience in a senior or technical leadership capacity.
  • Strong full-stack expertise with Node.js, TypeScript, and React.
  • Hands-on experience building AI-powered products using LLMs, prompt engineering, or agentic workflows.
  • Experience with AI APIs in production, preferably using LangChain or LangGraph frameworks.
  • Strong understanding of distributed systems and REST APIs.
  • Experience with microservices and cloud infrastructure, preferably AWS.
  • Proficiency in using AI coding assistants such as Cursor or Claude Code.
  • Strong system design and product thinking skills.
  • Ability to collaborate in a remote-first, cross-functional environment.

Responsibilities

  • Design and build core systems for Jimdo Companion including agent orchestration, recommendation engines, and scalable APIs.
  • Develop AI-powered features that automate business tasks and improve customer outcomes.
  • Build high-quality backend services and engaging frontend experiences using modern full-stack technologies.
  • Design, evaluate, and optimize LLM-powered workflows, prompts, guardrails, and agent coordination.
  • Develop reusable AI platform capabilities to empower other engineering teams.
  • Partner with Product Managers, Designers, Data Analysts, and engineers to deliver customer-centric solutions.
  • Champion AI-augmented software development using modern AI coding assistants.
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