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Senior Fullstack Engineer - Volunteer

Job in Greater London, London, Greater London, W1B, England, UK
Listing for: Bank.Green
Part Time position
Listed on 2026-02-28
Job specializations:
  • Software Development
    Software Engineer, Full Stack Developer
Salary/Wage Range or Industry Benchmark: 100000 - 125000 GBP Yearly GBP 100000.00 125000.00 YEAR
Job Description & How to Apply Below
Location: Greater London

We have a need for a Senior Fullstack Engineer to take ownership of the Bank.

Green website.

What difference will you make?

Role Overview

The Bank.

Green website is built with Vue.js and Nuxt.js and deployed via Cloudflare. We use prismic.io as a headless CMS and connect to internal Graph

QL and REST APIs. Because the site serves approximately 5,000 pages, we focus on prismic.io CDN traffic and caching with automated builds.

Responsibilities
  • Understanding the Vue.js lifecycle
  • Understanding Cloudflare deployment
  • Understanding the Nuxt build pipeline
  • Carefully authoring and reviewing PRs
  • Mentoring more junior frontend developers

For internal communication, we use Slack, Linear.app, and, when necessary, MS365.

The website allows users to see how their current bank, and potential new alternative banks, rank on environmental issues—primarily fossil fuel and related sectors support—and provides suggestions on how to talk to banks about environmental concerns.

Qualifications
  • Proven experience as a Fullstack Engineer, preferably in a mid‑to‑senior level capacity.
  • Proficiency in JavaScript programming language.
  • Familiarity with Vue.js + Nuxt is nice to have; experience with React+Next also works well.
  • Experience working with and mentoring more junior colleagues.
  • Experience working asynchronously with colleagues in different time zones—through Slack, MS Teams, or similar.
  • Experience working in Agile environments and using collaborative development tools (e.g., Linear or Jira, Git).
  • Strong problem‑solving skills and attention to detail.
  • Excellent communication and teamwork abilities.
  • Passion for sustainability and environmental advocacy.
About Bank.

Green

Since the Paris Agreement, global banks have poured a staggering $6.9 trillion into the fossil fuel industry. en, our mission is to lower this vast carbon footprint via technology and consumer action. We empower bank customers with the tools and insights they need to influence their banks toward sustainable lending, or switch to greener alternatives. Our bank‑checking tool has been used over 500,000 times by bank customers worldwide, while we have shifted at least $35,000,000 toward banks financing a greener future.

Through transparency, engagement, and innovation, we aim to redefine the role of banks in the fight against climate change.

Commitment

This role is UNPAID and VOLUNTEER‑BASED. We are seeking a commitment of 5–10 hours per week for at least six months. We know this is a lot to ask. Bank.

Green is a passion project of many people, including other developers and data scientists. Many of our volunteers are:

  • Unemployed and want to keep their fingers warm by doing something good for the world.
  • Otherwise trying to break into tech or environmental fields.

We hope that you’re coming with some industry experience for this particular role.

#J-18808-Ljbffr
Position Requirements
10+ Years work experience
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