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StackFuel

Data literacy and AI training platform

Senior Fullstack AI Engineer

AI Application Engineering +1Confirmed live in the last 24 hours
Full-timeBerlin, GermanyNo salary listed

About the Job

Requirements

  • At least 5 years of full-stack development experience, including multiple years in senior responsibilities such as architecture, technical decision-making, and mentoring.
  • Use AI-first practices and AI tools in daily engineering work, with familiarity with the agentic software development life cycle as a target.
  • Practical product experience with large language model APIs, including prompt design, structured outputs, tool use, and evaluation of model outputs.
  • End-to-end development experience with Python using FastAPI or Django, and TypeScript with React or Next.js.
  • Proficiency with PostgreSQL and schema migrations.
  • Discipline in testing and continuous integration, such as Pytest, typed code, and GitHub Actions.
  • Experience with Docker-based deployment and foundational observability knowledge.
  • Fluent English; German at B1–B2 level is desirable.

Responsibilities

  • Develop the adaptive AI-first learning platform and software-based AI solutions end to end, making important technical architecture decisions independently.
  • Implement new features and requirements in the existing learning framework while balancing new development with continued development.
  • Integrate AI features into the platform, such as large language model-supported learning guidance, adaptive learning paths, and automated content generation, and ensure they run reliably, measurably, and cost-effectively.
  • Build internal tools and AI automations for Learning Coaches, Client Operations, and Sales to improve those teams' efficiency.
  • Work closely with the Engineering team, Content Engineering, and Portfolio Leads.

Desired Qualifications

  • German language proficiency at B1–B2 level.

About the Company

StackFuel

Data literacy and AI training platform

StackFuel provides online, browser-based training for data literacy, data science, and AI for both businesses and individuals. Its courses let learners write code and solve practical challenges using real business data, with flexible schedules and options in German or English, plus mentoring and group webinars. The platform emphasizes hands-on, job-focused learning and has trained over 6,000 people for clients like Telefónica, Deutsche Bahn, and BMW, with individual learners often funded by German education vouchers. The goal is to help companies digitally upskill their workforces and to enable individuals to start data-centered careers.

Company size
51-200
Company stage
Seed
Total funding
$2.1M
Headquarters
Berlin, Germany
Founded
2017

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