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We're hiring on behalf of a Haystack partner!
The Role
• Build and maintain frontend features for online payment products, writing clean, testable, and maintainable code.
• Contribute to the development and upkeep of integration products and SDKs used by internal teams and external partners.
• Participate in technical planning, design reviews, and sprint ceremonies, offering perspectives on estimations and improvements.
• Reduce technical debt and enhance application performance, observability, and accessibility.
• Monitor live services, respond to issues, and provide support for customer requests.
What You'll Need
• 5+ years of experience in TypeScript and JavaScript.
• Hands-on experience building production-grade React and Next.js applications, including SSR and app router patterns.
• Experience writing unit, integration, and end-to-end tests using tools like Jest, Vitest, or React Testing Library.
• Comfort working within CI/CD workflows and agile environments (Scrum or Kanban).
• Experience with UI libraries such as Radix or shadcn, and a solid understanding of accessibility and UX best practices.
• A product mindset, caring about merchant value and capable of driving complex features end-to-end autonomously.
What's On Offer
• Competitive annual salary of €60,000 – €75,000.
• Opportunity to work in a truly global, multicultural team.
• A dedicated annual L&D budget of €2000 for professional development.
• Generous time off: 28 days of paid leave plus public holidays and special leave days.
Apply via Haystack today!
