About Joel Castro | Contra Joel Castro

Joel Castro

Joel Castro

Flutter Developer, Mobile Engineer, Web Dev

Ready for work

Joel is ready for their next project!

Harrisburg, USA

Work Services About

Harrisburg, USA

Meet Joel

I'm Joel, a skilled Flutter Developer and Mobile Engineer. I specialize in creating mobile apps using Flutter and Firebase, or FlutterFlow and Firebase, or FlutterFlow and Supabase. My expertise includes building apps from scratch or based off Figma design files. Let's work together to bring your app vision to life!

Identity verifiedVetted for secure and trusted collaboration.

Rate

$25 - $50/hr

Skills and tools

Web Developer UI Designer Mobile Engineer UX Designer iOS Developer Android Developer Flutter Developer Web Designer UX Researcher

Google Cloud Functions

Details

Harrisburg, USA

(GMT-5) Eastern Standard Time (EST), ±5 hours

Fluent in English and 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

Contact

Contact support

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