Senior Backend Engineer - AI Agents - Climate Tech (all genders)

• Design and implement agent-based LLM systems (tool calling, orchestration) for carbon footprint workflows
• Apply RAG to ground AI outputs in internal data and define evaluation/quality control patterns
• Combine AI-driven logic with rule-based mechanisms for reproducibility and reliability
• Own backend services for AI-driven PCF and CCF workflows, ensuring code quality and knowledge sharing

This role directly helps companies reduce emissions faster by building reliable AI systems for carbon accounting, contributing to the fight against the climate crisis.

• 5+ years of experience in backend software development
• Strong Python skills and proven track in agent development in a professional environment
• Strong familiarity with agent frameworks (RAG, tool-calling, function-calling, agent design patterns)
• Experience balancing performance, cost and accuracy in production environments; fluent in English; EU residence with valid work permit

• Fair compensation: €70,000 - €80,000 gross annually depending on experience
• 28 vacation days, flexible working hours, 100% remote within CET ±1
• Freedom to contribute to open source, team events, and a mission-driven culture

Global Changer is a climate tech company that helps large organizations reduce emissions faster through a SaaS B2B platform for carbon accounting, backed by notable investors and serving customers like Heraeus, Tchibo, and Haniel.