Job Description

Your code will run the gates at zoos and theme parks across Germany and the USA. When families scan tickets, when capacity limits kick in based on visitors and available resources (staff, equipment, facilities), when dynamic pricing adjusts for weather - that's our Rails app making real-time decisions for thousands of visitors daily. Technical challenges include multi-tenant architecture supporting 100+ venues with different business logic, offline-first POS syncing, complex pricing rules, and hardware integrations. Stack includes Rails 7+ API with GraphQL, PostgreSQL, Redis, SvelteKit frontend, Google Cloud infrastructure, RSpec/Capybara. Requirements: 5+ years Rails, strong PostgreSQL optimization, experience in architecting systems for performance and scale.