ABOUT STAY22

At Stay22, we’re revolutionizing how people convert online. Our AI-powered affiliate platform helps publishers, ticketing platforms, and content creators unlock new revenue streams while levelling up their audience’s user experience. At Stay22, our partners don’t just earn more, they deliver more. Join us and be part of something big that’s shaking up the affiliate world.

REQUIREMENTS

• 6–8+ years of experience in fullstack development (Node.js, React, TypeScript)
• Deep knowledge of MongoDB and solid PostgreSQL experience
• Proven track record building and scaling web applications
• Strong understanding of web performance and optimization
• Clear communicator and collaborative team player
• Experience mentoring developers and leading projects is a plus

ROLE OVERVIEW

As a Senior Fullstack Developer, you’ll lead development of the Stay22 Hub—our core partner-facing web application. You’ll work across the stack using JavaScript/TypeScript, Node.js, React, MongoDB, and PostgreSQL to build scalable, high-performance features. Collaborating with Product, Design, and Data teams, you’ll deliver impactful solutions that enhance the partner journey.

KEY RESPONSIBILITIES

• Design, build, and maintain Hub features including partner onboarding, dashboards, account settings, and payment workflows
• Develop intuitive self-service tools like the “Manage My Maps” and QR code systems
• Create and maintain scalable APIs and backend systems with a focus on data integrity and performance
• Partner with Product Design to build accessible, high-quality UIs and contribute to our design system
• Integrate supplier data and expand partner capabilities across the platform
• Mentor junior developers and uphold high engineering standards through code reviews and testing
• Provide technical leadership on architecture, UX, and performance optimization
• Participate in agile processes, sprint retros, and cross-functional planning