Senior Fullstack Engineer

As a Senior Fullstack Engineer, you’ll play a key role in building and evolving the web and mobile applications that power Equitable Earth’s products. Working closely with the Tech Lead, Product Manager, and wider Product & Engineering team, you’ll take ownership of features and technical initiatives, contribute to technical decisions, and help raise the bar for engineering quality across the team.

Beyond your own delivery, you’ll help strengthen our engineering culture through mentoring, code quality practices, knowledge sharing, and thoughtful use of AI in the development workflow.

This role is fully remote, with working hours that significantly overlap with French time zone.

Product Development

* Design, develop, and maintain features across our web and mobile applications using TypeScript, React, AdonisJS, NestJS, and React Native

* Own features end-to-end, from understanding requirements and technical design through implementation, testing, deployment, and iteration

* Refactor and improve our codebase to strengthen quality, reliability, and performance

Engineering & Collaboration

* Write clean, well-tested code and contribute to strong engineering practices through code reviews, pair programming, testing, and CI/CD

* Work within our fluid feature crew system, contributing as a team member and taking the lead on feature crews and initiatives when appropriate

* Mentor and support other engineers, sharing knowledge and helping raise the technical bar across the team

* Contribute to a collaborative engineering culture and continuously improve our ways of working

AI & Innovation

* Use AI tools beyond coding assistants, including AI agents and MCP servers, to improve developer productivity, code quality, and problem-solving

* Identify opportunities to apply emerging AI technologies to our products and engineering workflows

What success looks like

Within 1 month, you’ll have built strong relationships across the Engineering team, become familiar with our ways of working and development standards, and developed a high-level understanding of our web and mobile applications, their architecture, and key features. You’ll already be contributing to well-scoped work with increasing autonomy.

Within 3 months, you’ll be fully comfortable with our engineering workflows and technical stack, understand how our main applications fit together, and be able to independently scope, implement, test, and ship features. You’ll be actively contributing to code reviews, technical discussions, and team collaboration.

Within 6 months, you’ll feel fully a

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