I need an experienced OpenCart developer to improve my online store. Website: https://mega-technique.bg Platform: OpenCart (ocStore 2.1.0.2.1) Tasks: 1. Live search (autocomplete) Search must show product suggestions with images, names and prices when typing 2–3 letters. 2. Product options / variants Customers should be able to choose options (color, memory) on the same product page without switching between products. 3. Fix technical issues Find and fix all errors affecting performance and Google indexing. 4. Speed optimization Improve website loading speed without breaking functionality. 5. Google Ads setup Set up basic search ads. Requirements: – Strong OpenCart experience – Careful work (no breaking the site) – Prefer working on a test copy first Please provide: – Price – Timeline – Your approach Budget: 400–600 USD