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Johnny Ha

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Johnny Ha

Senior Full-Stack Engineer | Web Development | AI Automation

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Alhambra, USA

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Alhambra, USA

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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 Gumroad alternative Lemon Squeezy alternative Polar alternative

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

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Luxury Jewelry E-Commerce Website – Gemsparx

Front-End & Full-Stack Developer (React & Node.js)

Gemsparx is a luxury jewelry marketing and e-commerce website designed to showcase diamonds, fine jewelry, and custom design services with a high-end user experience.

I developed this...

Software Development Full Stack Development Web Development

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MSPTerms – SaaS Platform for Document Management & MSP Operations http://mspterms.com/ I developed a scalable SaaS web application for MSPTerms, a document management and business strategy platform designed for managed service providers (MSPs).

The project involved building a...

DevOps Web Development

fullstackdeveloper

mspterms Full Stack Development

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Precise Scientific AI Workflows for Every Task

Search and analyze 300M+ academic papers to find evidence fast. Create citation-backed literature reviews, case studies, and research summaries in one unified workspace.

AI-powered academic research & writing

Deep, citation-rich...

aiagents Web Design

websitedesign AI Automation Framer Website Design

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UI/UX Engineering & Framer Websites Built with AI-Powered Tools

I design and engineer high-performing websites using Framer and modern AI website builders combining speed, polish, and real UX thinking.

What I specialize in:

Framer websites with production-ready interactions &...

Framer Framer Website Development UI Design Web Development

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Building AI Agents That Actually Work: From Automation to Autonomy I’ve been deep in the weeds building AI-powered automations and autonomous agents that go beyond simple prompts.

My current focus:

Designing task-oriented AI agents that can reason, plan, and take action Automating...

Agent.ai AI Agent Development AI Automation Automation Engineering