Training game in the form of a web application

I’m looking for an experienced developer to create an online service operating in Portugal, allowing users to verify phone numbers and add comments (e.g., who called, whether it’s spam, etc.) — similar to ligaram-me.pt, but with some unique features. The project scope includes: • creating a user-friendly, responsive website • implementing a phone number database and user comments • SEO optimization (Google-friendly structure, fast loading) • implementing CAPTCHA / spam protection • enabling abuse reporting by users • content moderation system (admin panel) • automatic location assignment for phone numbers (Portugal) • preparing for integration with ad systems (e.g., Google AdSense) • Portuguese language version • integration with online payment systems • ability to rate numbers • filtering and sorting results • user data security The project is planned in stages: Stage 1: Minimum Viable Product (MVP) — basic functionality Stage 2: Expansion with advanced community features and SEO Stage 3: Further improvements, integrations, security Please provide a quote for the full Stage 1 and an estimated price for Stage 2 and Stage 3, so we can plan long-term cooperation. Additionally, please let me know if you recommend WordPress or a custom solution, and provide a brief justification for your choice. The budget is indicative and depends on the quality, approach to the project, and the experience of the contractor. I am open to various offers.