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$40 USD / hour
Flag of BRAZIL
governador valadares, brazil
$40 USD / hour
It's currently 9:26 PM here
Joined February 23, 2022
0 Recommendations

Joao D.


5.0 (11 reviews)
$40 USD / hour
Flag of BRAZIL
governador valadares, brazil
$40 USD / hour
Jobs Completed
On Budget
On Time
Repeat Hire Rate

♛ Web & Mobile | Data Science | Networking

I am a senior full stack & blockchain developer with 8+ years of experience supporting High Quality work and the fastest support. Specialize in creating websites and minting NFTs, which are customized and fully enriched for ultimate digital experience. I create highly user-friendly static and dynamic types of websites without compromising the overall look and feel of the web site. Why choose me? ★ 8+ Years of experience ★ 100% satisfaction assured ★ Technological Excellence across platforms ★ Thoughtful and futuristic software and web development ★ 100% trusted team ★ Long term relationships!! ★ Enough work experience in working with Price Comparison website , Buy & Sell currency Exchange website, Doctor / Service Provider Website, E-Book Website, Property Website, Hotel, Restaurant Booking and Shopping website ... Professional Skills: ✔️Fullstack ✓ frontend: HTML, CSS, Javascript, Bootstrap, Sass, React/Redux, Typescript, Vue, Angular ✓ backend: Nodejs, PHP, Python, C# ✓ Database: MongoDB, MySQL, PostgreSQL ✓ framework: WordPress/WooCommerce, Laravel, MERN, MEAN, Django ✓ Design: Logo, Web Responsive , Mockup, Brochure ✓ Github, Heroku ✓ Software Analysis, UI/UX Design, Graphic Design ✓ AWS, Google cloud ✔️Blockchain: ✓ Smart contract, Ethereum, Solana, Cryptocurrency, Secure wallet ✓ ERC-721, ERC-20, BEP-721, BEP-20 ✓ Tokenomics management, ICO, IDO ✓ DeFi (Pancakeswap, Uniswap, Staking, Liuiqidy Pools) ✓ NFT marketplace (Opensea integration, Auction, Lottery, Lazy Mint) I give my 100% focus on even small details of the project and make it perfect. My goal is to do a project successfully by keeping high quality of work at a fair price. I am elementary and flexible to work. Best Regards!
Freelancer PHP Developers Brazil

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Portfolio Items

A custom multifunctional ERP including sales, accounts, inventory, staff, customers and route management. Unlike other ERPs, we~ve injected robust AI;ML to get intelligent sales forecasting and peredictions.
ERP Customization
Design Statistic data with various charts and reports using Angular4 with material design witgh PWA feature using Rest API~s ... also need to use ng-rx (Redux) for this managing states of the appllllication.
Develop PWA (progressive web app)
This was another complete site overhaul, this time in Joomla!. The client required heavy php modification to a purchased Real Estate plugin for custom filtering features of their properties.
Snider Brothers Meats
This was another complete site overhaul, this time in Joomla!. The client required heavy php modification to a purchased Real Estate plugin for custom filtering features of their properties.
Highland Commercial Utah
As full-service online marketing & content specialists, we provide web design, social media, PPC, email marketing, video & photo creation services.
Ac Web Marketing
CryptoCompare is a mobile application which provides the market place to cryptocurrency exchange platform where you can change your cryptocurrencies like Bitcoin, Litecoin, Ethereum, Ripple and many more.


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Showing 1 - 5 out of 11 reviews
Filter reviews by: 0.0
$50.00 USD
The project is not completed according to the dispute
PHP Website Design eCommerce MySQL HTML
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Flag of Igor C. @iggycaral
2 months ago
$75.00 AUD
Nice work.. and on time .. willing to hire him again
JavaScript CSS HTML5 Bootstrap AngularJS
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Flag of Muhammad J. @mohjib092
2 months ago
$25.00 USD
Patient. Job well done. Good quality. Awesome work. I am pleased. Will work again. Stellar level Job. Outstanding over the top. highly recommended this dude. He did better than expected. I was impressed. Little better than hoped for. Saved the day. his work is mind blowing. I like him.
System Admin Database Administration Node.js MongoDB
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Flag of Jeremiah F. @nathanjaeger
3 months ago
$100.00 USD
Joao is such a professional person! I am very pleased with the fast and quality work he has done!
PHP Python WordPress HTML5
+1 more
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Flag of Ayse Zulal S. @aysezulalsari
4 months ago
$90.00 USD
awesome job.. fast response
Python Software Architecture
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Flag of Chris R. @chrisrawlings
4 months ago


Full Stack engineer

Mar 2020 - Jan 2022 (1 year, 10 months)
- Assessing project requirements using Agile & Scrum principles related to the high-volume online service that helped prioritize developing activities and reduce and work requests by 35% - Designing and implementing HTML email templates and newsletters for marketing campaigns - Used React as a JS library to create SPA which can bind data to specific views and synchronize data with the server - Used Node JS architectural concepts like event loop, callbacks, and event emitters

Backend Developer

Jul 2018 - Jan 2020 (1 year, 6 months)
- Custom web application development using PHP and Node.js. - Use version control systems such as SVN and GIT - Working with content approval and staging workflows - Working with a template driven system with a clear separation between content and display - Using XMLHTTP Request and Javascript to create web applications - Working with multiple delivery platforms such as mobile versus desktop

Junior Frontend Developer

Aug 2016 - May 2018 (1 year, 9 months)
- Assisted in the development team in maintaining 8 websites. - Implemented front-end technical solutions to meet project requirements for creation of 5 new web pages. - Ensured 6 unique projects complied with correct technology processes, industry best practices, and company standards. -Conducted research and assisted with new business scoping efforts, resulting in the acquisition of 4 clients. - Partnered with 2 designer teams to take client wireframes from conception to implementation.


Bachelor of Computer Science

Universidade Federal de Pelotas, Brazil 2013 - 2016
(3 years)

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PHP 5 Python 4 HTML5 4 JavaScript 3 HTML 3

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