Vizzuality is hiring a mid-level/senior frontend developer with experience and proficiency in ReactJS/TypeScript.

Are you an experienced developer passionate about making a difference with your skillsets?

At Vizzuality, we create data-driven tools for international organizations tackling climate change, biodiversity, and inequality. We’re seeking individuals who combine a global perspective with a strong inclination toward teamwork, a deep understanding of coding, and an unwavering commitment to continuous learning. You should possess a growth mindset to develop T-shaped skills. Here’s a chance for you to make a difference!

We’re looking for someone with technical expertise in:

• 3+ years of experience with the React library
• Typescript
• Modern CSS and responsive design
• State management (i.e., Redux, Jotai, React Query)
• Web mapping libraries (i.e., Mapbox, ArcGIS), especially with client-side rendering   technologies (i.e., DeckGL, MapboxGL JS)
• Data visualization libraries (i.e., D3.js, Three.js)
  Modern front-end frameworks (i.e., Next.js)
• REST API and web services
• Testing and QA (i.e. Cypress, Playwright, Jest)
• Continuous integration tools (i.e., GitHub Actions)

In addition to the skills mentioned above, for senior profiles, we’re seeking candidates with a high sense of ownership. Ideally, someone with:

• A proven track record in Technical Leadership and Mentorship
• Experience working and leading conversations with clients and other key stakeholders.
• Solid experience and proficiency in React library/TypeScript.

What’s in it for you?

• Competitive salary (€30,000 – €49,000)
• Remote (Spain, Portugal, or the UK) with Madrid Office
• Part-time (Minimum 80% time dedication)
• Training Allowance
• Peer mentoring and support for personal projects
• Generous paid time off
• Mental health support
• Flexibility and remote work options