William Liedner's Services | ContraServices by William Liedner

William Liedner

William Liedner

UI/UX Design

$50k+: Earned

18x: Hired

6: Followers

Warsaw, Poland

Work Services About

Warsaw, Poland

Cover image for A Comprehensive Design Transformation

Figma

Figma

Web Designer

Packaging Designer

+1

A Comprehensive Design Transformation

$50/hr

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Notion

Notion

Consultant

Performance Marketing Checklist

$25

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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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