About William Kindlien | Contra William Kindlien

William Kindlien

William Kindlien

Expert Full Stack iOS Developer📱💻

Ready for work

William is ready for their next project!

Indonesia

Work Services About

Indonesia

Meet William

Hey there! I'm William, an iOS Developer and Fullstack Engineer with a knack for creating top-notch applications. With excellent research skills and time management, I ensure timely delivery of top-tier applications.

-Portfolio: http://bit.ly/portfolioWKG

-Email: william.k.gunawan@gmail.com

Quick responderReplies to messages within 24 hours.

Identity verifiedVetted for secure and trusted collaboration.

Featured on

Best freelance Software Engineers in Indonesia to hire in 2026

Skills and tools

iOS Developer Software Engineer Mobile Engineer Fullstack Engineer Frontend Engineer Consultant QA Tester

Microsoft Office 365

Details

Indonesia

Fluent in English

Join 50k+ companies and 1M+ independents

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 Hackathons 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

Company

Mission Careers Terms & conditions Privacy policy Cookie policy

Contact

Contact support

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 Hackathons 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

Contact

Contact support

Company

Mission Careers Terms & conditions Privacy policy Cookie policy

© 2025 Contra.Work Inc