About Khac Quoc Bao CHAU | Contra Khac Quoc Bao CHAU

Khac Quoc Bao CHAU

Khac Quoc Bao CHAU

Responsible Fullstack Engineer | Perfect Results

1x: Hired

1: Followers

13th arrondissement of Paris, France

Work Services About

13th arrondissement of Paris, France

Meet Khac Quoc Bao

Followed by Ryan G

Hi there! So you're seeking a Web Development Wizard to craft Intuitive User Interfaces and High-Performing Applications to grow your business ?

I'm a full-stack javascript/typescript developer and I've been working in this industry for more than 5 years. I can help you to build your Restful/GraphQL API, NestJS backend, web apps such as SPA, PWA, and I have a unique approach to doing this.

Identity verifiedVetted for secure and trusted collaboration.

Rate

$25 - $50/hr

Skills and tools

Fullstack Engineer Frontend Engineer Software Engineer Backend Engineer AI Developer Web Developer

Google Analytics

Details

13th arrondissement of Paris, France

(GMT+2) Eastern European Time (EET), ±5 hours

Fluent in French • Professional Working Proficiency in English

Join 50k+ companies and 1M+ independents

Hire creatives Get hired

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

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 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

Contact

Contact support

Company

Mission Careers Terms & conditions Privacy policy Cookie policy

© 2026 Contra.Work Inc