Full-Stack Website Platform Overhaul

Senior Full-Stack Developer — Complete Website Audit, Rebuild, Automation, CRM, SEO & Business Platform Integration

Company: NEVIE-GLOBAL
Websites: nevie-global.fr / nevie-global.com
Project: Complete technical and commercial transformation of TWO existing websites
Total Fixed Budget: USD 120 — Non-negotiable
Payment: 100% AFTER complete delivery, testing and written acceptance
Advance Payment: NONE
Duration: Maximum 20 working days
Location: Worldwide — Remote

PROJECT OVERVIEW

NEVIE-GLOBAL is looking for a highly skilled Full-Stack Developer or a small technical team to completely audit, repair, modernize, optimize, integrate and finalize our two existing corporate websites.

Both websites already exist, with source code and infrastructure available.

This is a complete technical, functional, commercial and automation upgrade — not simply a website redesign.

The developer must reuse existing components wherever possible, correct defective functionality, complete missing features and deliver two fully operational commercial platforms.

1. COMPLETE TECHNICAL AUDIT — BOTH WEBSITES

* Full source-code and architecture review.
* GitHub repository and branch audit.
* Frontend and backend verification.
* Database structure and connectivity.
* API and webhook inspection.
* Hosting and deployment verification.
* Broken links, buttons, pages and forms.
* Authentication and authorization review.
* Security vulnerabilities and configuration weaknesses.
* Mobile and cross-browser compatibility.
* SEO and accessibility analysis.
* Performance and loading-speed evaluation.
* Code duplication and technical debt identification.
* Dependency and package review.
* Error logging and monitoring verification.
* Complete prioritized technical audit report.

2. FULL REPAIR, MODERNIZATION & UI/UX

* Fix all agreed technical defects.
* Restore broken or incomplete features.
* Modernize website design and navigation.
* Improve mobile, tablet and desktop responsiveness.
* Optimize page speed and resource loading.
* Improve typography, layouts and visual consistency.
* Apply NEVIE-GLOBAL brand guidelines.
* Repair forms and database connections.
* Improve error handling.
* Remove unnecessary code and dependencies.
* Ensure consistent functionality across both websites.
* Optimize accessibility and usability.
* Deliver professional, production-ready interfaces.

3. SIX COMMERCIAL WEBSITE PACKAGES

Implement and optimize the following packages:

1. Landing Page.
2. Starter.
3. Business.
4. Business Pro.
5. E-commerce.
6. Premium.

Each package must include:

* Professional presentation.
* Complete features and benefits.
* Approved pricing.
* Comparison tables.
* Optional services.
* Functional quotation buttons.
* Responsive layouts.
* Editable commercial information.
* Customer conversion optimization.

4. ADVANCED QUOTATION & CUSTOMER ACQUISITION SYSTEM

Develop a complete quotation management process:

* Dynamic package selection.
* Customer and company identification.
* Project requirements questionnaire.
* Conditional fields and service options.
* Budget and timeline information.
* Secure document uploads.
* Automatic request registration.
* Unique quotation reference.
* Email confirmation.
* Administrator notification.
* Customer request tracking.
* Request status management.
* Spam protection and form validation.
* Data export.
* CRM-ready structure.
* Complete end-to-end testing.

5. CRM & COMMERCIAL AUTOMATION

* Centralized lead collection.
* Lead qualification fields.
* Customer and prospect database.
* Commercial pipeline tracking.
* Automated email notifications.
* Follow-up reminders.
* Customer history.
* Lead source tracking.
* Dashboard of incoming requests.
* CSV export.
* API-ready CRM integration.
* Duplicate lead detection.
* Secure administrative management.

6. ADMINISTRATIVE DASHBOARD

Build or improve a centralized administration interface covering:

* Website content management.
* Commercial package management.
* Prices and options.
* Customer inquiries.
* Quotation requests.
* Lead management.
* Contact form submissions.
* Basic website statistics.
* User access and permissions.
* Activity logs.
* Error reporting.
* Secure authentication.

7. SEO, ANALYTICS & CONVERSION OPTIMIZATION

* Technical SEO audit and corrections.
* Meta titles and descriptions.
* Heading structure.
* XML sitemap.
* Robots.txt configuration.
* Canonical URLs.
* Structured data where relevant.
* Image optimization.
* Internal linking.
* Mobile SEO.
* Analytics integration.
* Conversion event tracking.
* Cookie consent integration where required.
* Search engine indexing verification.
* Basic conversion optimization.

8. SECURITY, PRIVACY & DATA PROTECTION

* HTTPS and SSL verification.
* Secure authentication.
* Role-based permissions.
* Input validation.
* Protection against common web vulnerabilities.
* Secure file uploads.
* Secret and environment variable protection.
* Database access review.
* Basic rate limiting.
* Security headers.
* Backup verification.
* Error logging.
* Privacy-friendly form handling.
* Integration of approved legal and privacy documents.

9. AUTOMATION & API INTEGRATION

* Connect forms to automated workflows.
* Email notification automation.
* Webhook integrations.
* API connectivity.
* CRM integration readiness.
* n8n integration where existing infrastructure allows.
* Automated lead registration.
* Automated customer confirmations.
* Error handling and retry mechanisms.
* Integration documentation.
* Reusable workflow components.

10. INFRASTRUCTURE & DEPLOYMENT

* GitHub code management.
* Hostinger hosting integration.
* Production deployment.
* DNS configuration review.
* SSL verification.
* Database connectivity.
* Environment configuration.
* Deployment troubleshooting.
* Basic automated deployment where feasible.
* Backup and recovery instructions.
* Production stability verification.

No migration to Vercel.

11. INTERNATIONAL & MULTILINGUAL CONSISTENCY

* Audit French and international website versions.
* Correct translation inconsistencies.
* Ensure coherent commercial messaging.
* Verify language navigation.
* Check localized metadata.
* Maintain consistent branding.
* Verify localized forms and customer notifications.
* Ensure correct internal links between language versions.

12. TESTING, DOCUMENTATION & FINAL DELIVERY

Required deliverables:

* Full audit report for both websites.
* Corrected source code.
* Two operational production websites.
* Six commercial packages implemented.
* Complete quotation system.
* Functional lead management.
* Administrative dashboard.
* SEO and performance improvements.
* Security corrections.
* Automation and API integrations.
* Mobile and desktop testing.
* Functional test report.
* Technical documentation.
* Deployment instructions.
* Final demonstration.
* All code committed to NEVIE-GLOBAL repositories.
* 30 days of corrective maintenance after acceptance.

STRICT PAYMENT CONDITIONS

TOTAL PROJECT PRICE: USD 120 FIXED.

* No advance payment.
* No partial payment.
* No upfront milestone release.
* No additional development fees.
* No mandatory paid third-party subscriptions.
* One single payment after full delivery.
* All deliverables must be demonstrated and tested.
* NEVIE-GLOBAL must formally accept the completed project before payment release.
* Payment must be handled securely through Freelancer.com.
* Project funds may be secured through the platform’s escrow system, subject to platform rules.
* All paid deliverables and intellectual property rights must be transferred according to the agreed contract.

Do not apply if you require an advance payment or cannot accept the USD 120 total fixed budget.

CANDIDATE REQUIREMENTS

* Strong Full-Stack development experience.
* Existing website repair and modernization.
* GitHub.
* Hostinger.
* JavaScript / TypeScript.
* React or equivalent.
* Node.js and/or Python.
* Database and API integration.
* CRM and automation.
* Technical SEO.
* Web security.
* Professional documentation.
* Proven delivery experience.

REQUIRED APPLICATION ANSWERS

1. Can you complete the entire scope for USD 120 fixed?
2. Do you accept one payment only after full delivery, testing and written approval?
3. Can you complete the project within 20 working days?
4. Have you worked with GitHub and Hostinger?
5. Can you repair existing code without rebuilding unnecessarily?
6. Can you implement quotation, CRM and administration systems?
7. Can you integrate existing APIs and n8n workflows?
8. Will you provide 30 days of corrective maintenance?
9. Are you working individually or with a team?
10. Can you provide verifiable examples of similar completed projects?

Applications that do not explicitly accept the fixed budget, payment conditions and complete scope will not be considered.

NEVIE-GLOBAL is looking for a reliable technical collaborator who can deliver complete, functional and verified results.