Full Stack Developer

As a Full Stack Developer at Zonneplan, you will build the software that serves thousands of visitors daily and generates hundreds of new customers. From the first website visit to a personalized digital quote: everything is developed in-house. You write the code that directly determines how tens of thousands of people request solar panels, batteries, charging stations, and energy contracts.

You will work in a development team with React and TypeScript on the frontend and Laravel and PHP on the backend. For this position, you will work 32-40 hours per week with a salary of €3,500 – €5,500.

• You build full stack features for the entire customer journey. From the website and application flow to dynamic digital quotes, you develop functionalities that smoothly guide thousands of visitors through the process daily. You work with React and TypeScript on the frontend and Laravel and PHP on the backend.
• You monitor and improve the quality of our codebase. You write tested, readable code that meets the Definition of Done. Through code reviews, you help teammates stay sharp.
• You structurally address technical debt. You improve architecture, optimize performance, and streamline processes.
• You ensure stable releases and reliable software. You support deployments via GitHub Actions, monitor application performance in Grafana, and track issues with Sentry.

• You have at least 2 years of experience with Laravel and PHP and know how to set up a scalable, maintainable backend.
• You have experience with React and TypeScript and can independently build high-performing frontend features.
• You write clean, tested code and have a keen eye for quality, from unit tests to code reviews.
• You have experience with or affinity for AI-assisted development, for example with Claude Code, GitHub Copilot, or similar AI assistants.
• You enjoy working in an agile team with stand-ups, refinements, and retrospectives, and take ownership of your work within the sprint.

• A salary between €3,500 and €5,500, depending on your experience and knowledge.
• 25 vacation days, with the option to buy more, and travel expenses reimbursement.
• A personal choice budget for sports, groceries, or anything else that suits you.
• A Claude Code Max 20x subscription for your daily work, side projects, and personal development.
• Investment in your growth with the Zonneplan Academy, good tools, and room to keep learning.
• A team with weekly refinements, sharp retrospectives, and short lines to product owners and stakeholders.

The development department works AI-first: you control AI agents, pair with Claude Code, and automate what can be automated.

At Zonneplan, we work towards one clear goal: a Netherlands without fossil fuels. We call that plan Zero. No emissions, no waste, no dependence. As a Full Stack Developer, you will build the technology that makes this possible. Every feature you deliver helps customers switch to clean energy more easily. From solar panels and batteries to charging stations and energy contracts: your code makes sustainable energy more accessible to everyone.

Do you have questions? Call or email 088 020 3012 / [email protected]