7,930 Climate Tech jobs
Open tech roles at companies in climate and energy technology.
Software Development Manager - AI GreenTech SaaS (Mannheim, BW)
Lead a team of 5-7 engineers building an AI-powered green tech SaaS platform at a €200M-backed company serving 70+ countries. Hands-on leadership: writing scalable code, setting architecture, and running agile processes with TypeScript, React, and Node.js; hybrid based near Mannheim/Frankfurt with salary up to €100k.
QA Automation Lead - AI GreenTech
QA Automation Lead building a QA function from scratch at a fast-growing German green-tech unicorn: writing backend tests in Java/JUnit and frontend tests with Playwright and JavaScript/TypeScript, leading the QA team, and supporting reliable releases. Hybrid role based near Mannheim, salary up to €90K plus relocation support.
Senior Fullstack Engineer (Python or Node.js) - New Greenfield AI Hub (Berlin, BE)
Senior fullstack engineer joining a Berlin energy-tech scale-up's new in-house team: lead LLM work from prototype to production, add AI agents across the company, and build a new customer-facing product end to end. Stack: Python (FastAPI) or Node.js, Vue.js/TypeScript, AWS/GCP, Terraform, Kubernetes.
Mid-level Software Engineer (Backend - Python/Django)
Backend engineer (Eng II level) building Kraken's energy-utility operating system: writing robust, fault-tolerant services in Python, Django, GraphQL, Celery, and PostgreSQL, with testing, debugging, documentation, and mentoring of junior engineers. Remote within Japan or hybrid from Tokyo.
Water/Wastewater Design Engineer
Designs water and wastewater treatment systems, prepares drawings and specs, and manages construction oversight for municipal and industrial projects.

Senior Backend Engineer (Ruby on Rails)
Builds and maintains Ruby on Rails backend systems to automate solar project development, valuation, and financing for a cleantech company.

Senior Electronics Engineer
Own and ship reliable electronics for unmanned surface vehicles, balancing power, communications, and payload systems while debugging hardware in demanding, remote environments.

Program Manager
Owns and executes external/internal projects for maritime robotics firm, managing budgets, schedules, and cross-functional teams while serving as primary customer contact for government and military contracts.

Payload Integration Engineer
Integrate and test payloads (sensors, electronics) onto unmanned surface vessels, troubleshoot hardware/software issues, and document integration processes for maritime robotics.

Customer Software Application Engineer
Build and troubleshoot Python-based software tools for autonomous ocean vehicles, providing direct customer support and documentation to ensure reliable deployments.