About Jiayin Li | Contra Jiayin Li

Jiayin Li

Pro

Jiayin Li

Full-Stack & Mobile App Expert | AI & Cloud Solutions

$25k+: Earned

6x: Hired

5.00: Rating

212: Followers

Shinjuku City, Japan

Work Posts Reviews Services About

Shinjuku City, Japan

Meet Jiayin

Followed by Kraig M, Deniz U, and Joanna N

Full-Stack & Mobile App Expert with 10+ years of experience building high-performance web and mobile applications. Specialized in AI-driven features, cloud-native architecture, and scalable solutions across industries. Passionate about turning complex ideas into intuitive, impactful products that deliver measurable results.

FlutterFlow PartnerCertified by FlutterFlow as highly skilled.

FlutterFlow CertifiedCertified by FlutterFlow as highly skilled.

Earned $25k+Verified earnings from completed projects.

Quick responderReplies to messages within 24 hours.

Identity verifiedVetted for secure and trusted collaboration.

Rate

$25 - $50/hr

Skills and tools

Flutterflow Developer Mobile Engineer Android Developer eCommerce Manager Responsive Design Software Engineer iOS Developer Frontend Engineer Technical Writer UX Designer UI Designer Mobile Designer Flutter Developer

Details

Shinjuku City, Japan

(GMT+9) Japan Standard Time (JST), ±5 hours

Fluent in English, Japanese, and Cantonese

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