Browser Extension Developer for Multiple Platforms

Job Description: I am looking for an experienced browser extension developer to build a cross-browser extension for StickClicks — a social bookmarking platform at stickclicks.com. No middlemen, agents or those representing some else. What needs to be built: A browser extension that works on Chrome, Firefox, Safari, and Edge. The extension allows users to save any webpage to their StickClicks account with one click directly from their browser toolbar. The extension must include: A 300px popup that opens when the extension icon is clicked StickClicks branding — colors #1A6FD4 blue and #E07B00 orange Page title auto-populated in a title field URL displayed showing the cleaned canonical URL — tracking parameters stripped Domain name displayed prominently Category dropdown showing the user's StickClicks categories Is this an image toggle Public/Private visibility toggle Save to StickClicks button Success state — button turns green, shows Saved to [Category], auto-closes after 1.5 seconds Duplicate detection warning when saving an already-saved URL Logged out state — shows login prompt with link to StickClicks login page Technical details: The StickClicks backend API endpoint is already built and tested. It handles URL canonicalization, duplicate detection, and bookmark saving. You will receive full API documentation including endpoint URL and parameters before starting. The extension simply needs to connect to this existing API. Design reference: Full UX/UI specification and wireframes are available. The popup design is fully documented. You will receive all design files, color codes, and logo assets. Deliverables: Working extension for Chrome — primary Working extension for Firefox Working extension for Safari Working extension for Edge All source code files Brief documentation on how to submit to Chrome Web Store and Firefox Add-ons To apply please include: Links to browser extensions you have previously built Which browsers you have experience with Your proposed approach to connecting to an existing REST API