Senior AI Engineer, Fullstack, TS/Vue/NodeJS

Description:

• Architect and implement AI-powered capabilities: code generation, intelligent node creation, and workflow optimization.
• Integrate LLM APIs and embedding models for text-to-workflow and natural language code suggestions.
• Design and iterate on prompts to improve model output and user experience.
• Build internal tooling, evaluation benchmarks, and automated testing for AI components.
• Collaborate closely with engineering, product, and design to ensure AI features are reliable, performant, and scalable.
• Improve existing AI integrations, develop new ones, and shape how AI powers the product.
• Balance experimentation with impact: ship quickly while focusing on user value.
• Stay current with advances in LLMs, prompt frameworks, and developer tools and bring those insights into the roadmap.

Requirements:

• 5+ years of experience building web-based products, ideally in B2B SaaS startups.
• Strong fullstack development skills with TypeScript, Node.js, and API design.
• Proven track record shipping AI-powered features in production with LLM APIs (OpenAI, Anthropic, etc.).
• Experience building end-to-end systems.
• Deep understanding of AI fundamentals: agent architectures, chat completion roles, embedding vectors, vector databases, and chunking strategies.
• Hands-on experience with prompt engineering, embedding models, and vector stores.
• User-focused mindset: care about delivering features that solve real problems.
• Bias for shipping and learning – fast iteration.
• Frontend experience using Vue or React (bonus).
• Experience fine-tuning LLMs or working with RAG systems (bonus).
• Technical writing or documentation contributions, especially around developer tools or AI (bonus).
• Experience with agent orchestration patterns and state management in multi-step AI systems (bonus).
• Knowledge of code quality evaluation metrics and context optimization techniques (bonus).
• Company language is English.
• We can sponsor visas to Germany; for any other country, you need to have existing right to work.

Benefits:

• Competitive compensation – We offer fair and attractive pay.
• Ownership – equity (a slice of n8n).
• Work/life balance: Europe: 30 days of vacation, plus public holidays wherever you are.
• Work/life balance: US: 15 vacation days, 8 sick days, plus public holidays wherever you are.
• Health & wellness: Europe: benefits according to local country norms.
• Health & wellness: US: Comprehensive medical (PPO 1200), dental, and vision plans.
• Future planning: Europe: pension contributions according to local country norms.
• Future planning: US: 401(k) retirement plan.
• Financial security: Europe: benefits according to local norms.
• Financial security: US: Short-term & long-term disability insurance, life & AD&D coverage, and additional hospital coverage.
• Career growth: €1K (or equivalent) per year to spend on courses, books, events, or coaching.
• A passionate team and regular hackathons and off-sites.
• Remote-first across Europe with regular off-sites for team bonding.
• Giving back: $100 per month to support open source projects you care about.
• Transparency about company priorities and performance.
• Ambitious but kind culture (eNPS for 2024 is 94!).