Senior Fullstack Engineer for Climate Advocacy NGO

• Building and shipping new frontend features that improve how users understand and act on bank climate data
• Maintaining and improving the Astro/React codebase with a focus on clarity, performance, and long-term maintainability
• Improving build performance, caching strategy, and CDN efficiency to keep the site fast and cost-effective at scale
• Collaborating on architectural and technical decisions with the other senior engineer
• Reviewing and contributing pull requests, and helping establish sensible frontend and deployment patterns

This role helps build tools that enable people to understand how their banks finance climate change and take action to shift deposits toward greener alternatives, directly contributing to reducing fossil fuel financing and promoting climate accountability.

• Required: A portfolio, GitHub profile, or equivalent code samples demonstrating real-world frontend or full-stack work
• Experience as a frontend or full-stack engineer at a mid-to-senior level
• Strong JavaScript fundamentals
• Experience with React and modern frontend tooling
• Familiarity with Astro, or strong interest in content-first frameworks (Next.js, Nuxt, Gatsby, etc.)
• Comfort reviewing code and guiding less experienced developers
• Experience working asynchronously with distributed teams
• Familiarity with Git-based workflows and Agile-style tools
• Genuine interest in climate action and environmental accountability

This is an unpaid, volunteer role with flexible commitment of 5–10 hours per week, fully remote and asynchronous work environment, with communication via Slack, Linear, and occasional calls.

Bank.Green builds tools to help people understand how their banks finance climate change and take action to shift deposits toward greener alternatives, aiming to reduce fossil fuel financing and redefine banks' role in the climate transition.