Senior Full-Stack Developer for Redesign of Existing Custom iGaming Website

We are looking for a senior full-stack developer to implement a new Figma design on an existing custom iGaming affiliate website. Current website: https://topbookie.bet This is a redesign and frontend-modernization project. It is not a complete rebuild from scratch. The existing backend, database, admin panel, content, affiliate links and URL structure should remain functional unless a technical audit proves that a specific change is necessary. Main Project Goal Implement a modern responsive design without disrupting: The live website Existing URLs Casino and bonus data Affiliate tracking Admin-panel functionality Existing content Search-engine indexing Analytics and tracking Internal links All development must first be completed and tested in a staging environment. First Milestone: Paid Technical Audit Before the full development contract begins, the selected developer must complete a paid technical audit. The audit should identify: The current technology stack Frontend and backend structure Database structure relevant to the redesign How casino and bonus content is generated How affiliate links are stored and tracked Existing technical limitations SEO and migration risks Recommended staging setup Backup and rollback plan Final implementation plan Confirmed fixed development price Audit budget: €200–€300 No direct changes to the live website are allowed during the audit. Development Scope After the Figma design is approved, the developer will implement: New responsive header Desktop and mobile navigation New footer Homepage Casino review template Casino category template Bonus category and bonus page templates Article and guide template Casino cards Bonus cards Rating components Pros and cons sections Comparison tables Warning and blacklist components Author and reviewer sections Responsive desktop, tablet and mobile layouts Image and frontend-performance optimization Technical Requirements The developer must: Work in a private Git repository Create a separate staging environment Keep the live website unchanged during development Preserve existing URLs whenever possible Preserve affiliate tracking Preserve the existing admin panel Preserve existing database functionality Avoid unnecessary backend rewriting Use reusable frontend components Test on Chrome, Firefox, Safari and mobile browsers Provide a rollback plan before launch Document all important changes SEO Requirements The implementation must preserve or correctly handle: Page titles Meta descriptions H1 headings Canonical tags Structured data and schema Internal links XML sitemap Robots.txt Index and noindex rules Redirects, when necessary Image alt attributes Pagination Status codes Changing all existing URLs is not acceptable. Security and Access At the beginning, we will provide: The public website URL Screenshots or video of the admin system General information about how content is managed Source-code or staging access will only be provided after the developer is selected for the paid audit. We will not provide unrestricted access to the live hosting, domain registrar or Cloudflare account. Required Experience Please apply only if you have experience with: Existing custom websites Figma-to-code implementation Frontend modernization Backend integration Content-heavy websites Responsive design Git-based development Staging and production deployments SEO-sensitive website redesigns Experience with affiliate, casino, betting, comparison or review websites is preferred. Budget Paid technical audit: €200–€300 fixed price Implementation after the audit: €2,500–€3,000 fixed price The final price must be confirmed after the technical audit. We are not looking for a monthly contract. Proposed Milestones Technical audit and implementation plan Staging setup, header, footer and homepage Casino review and category templates Bonus and article templates Mobile optimization and testing SEO review and launch Final bug-fixing period after launch The final 10% of the payment will be released after the website has been live and stable for 14 days. How to Apply Start your proposal with: TOPBOOKIE DEVELOPMENT Please include: Two or three examples of existing websites you redesigned Your main development technologies Experience working with custom backends Experience preserving SEO during a redesign Your price for the initial technical audit Confirmation that you will work on staging Confirmation that you will not change the live website without approval A short explanation of how you would safely approach this project Generic proposals that do not mention the TopBookie website will be rejected. Screening Questions What can you determine about the current technology by reviewing the public website? How would you create a safe staging environment? How would you prevent affiliate tracking from being broken? How would you preserve existing URLs and SEO signals? Have you redesigned a custom website without replacing its backend? Do you use Git for all code changes? What would your rollback plan look like? Are you comfortable completing a paid audit before confirming the full project?