About Alexandre Collignon | Contra Alexandre Collignon

Alexandre Collignon

Alexandre Collignon

Frontend Developer ⚡️ Web Apps ⚡️ Websites ⚡️ AI Expert

Ready for work

Alexandre is ready for their next project!

Lisbon, Portugal

Lisbon, Portugal

Meet Alexandre

Followed by Rafael M

Hi, I’m Alex! I blend clean, modern design to deliver flawless web apps, websites, and landing pages.

Here's what I can do for you:

✅ Web App Development: Fast, responsive frontends.
✅ Landing Pages: Eye-catching & conversion-optimized.
✅ UI/UX Best Practices: Engaging design for optimal user experience.
✅ Mobile & AI: Seamless responsiveness & integrated AI features.

Identity verifiedVetted for secure and trusted collaboration.

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Rate

$25 - $50/hr

Skills and tools

UI Designer Data Visualizer Product Designer Web Developer UX Designer User Researcher

Details

Lisbon, Portugal

(GMT+1) Central European Time (CET), ±5 hours

Fluent in English, French, and Portuguese • Professional Working Proficiency in Spanish

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For independents

Contra Pro Manage freelance projects Get verified as an expert Find jobs Get discovered Sign contracts Send invoices Commission-free payments

For companies

For companies Manage team projects Share hiring workspace Post jobs Discover contractors Sign contracts Approve invoices Global payments & tax compliance

Use Cases

For companies For freelancers For creator tools For agencies For VCs

Resources

Partner networks Advertising Challenges Creative Human Data Human Creativity Benchmark Human in the loop API Project-based hiring calculator Guide to flexible hiring Guide for agencies Creator tools awards Customer stories Blog FAQs for freelancers FAQs for companies Referrals

Hire Freelancers

Explore all Top independents Design Engineering Marketing Music & audio Social media Video & animation Product Business consulting & HR Other

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