App Interface Spain Spanish Translation

I need all user-facing text from my web app converted from English into Spain-specific Spanish. The strings include navigation menus, tooltips, onboarding messages and small error prompts—everything that helps users understand features and move smoothly through each screen... (Budget: £1500 - £3000 GBP, Jobs: Content Writing, Editing, PHP, Proofreading, Spanish Translator, Swift, Technical Writing, Translation)