(Senior) Product Engineer (m/f/d)
Core
Building the intelligence workflow engine (Heartbeat AI) for a virtual power plant that integrates solar, batteries, and e-mobility to optimize renewable energy usage.
Role type
Senior fullstack product engineer (AI/LLM focus)
Builds
AI-powered product experiences, growth and operations workflows, and the virtual power plant control system
Domain
Climate tech / Renewable energy / Energy management
Deliverable
production ML models
Required skills
TypeScript, React/Next.js, Node.js/NestJS, LLMs, APIs, MCPs, AI integration, fullstack development
Preferred skills
Agentic systems, tool-use patterns, RAG pipelines, energy market context, startup experience
Technologies
TypeScript, React, Next.js, Node.js, NestJS, GCP, Vercel, GitHub Actions, Cursor, Claude Code, Linear, Notion, Figma, Miro
Responsibilities
Own feature development end-to-end from problem framing to production deployment, Build and integrate AI-powered product experiences using LLMs and agents, Define feature scope with PMs, Contribute to architectural decisions and API design, Keep feedback loops short by prototyping and observing real users, Push back on assumptions and propose better approaches
Seniority
Senior, hands-on IC