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Hello, My name is Helen, I am a full stack developer, Front-End and Back-End development specialist. I’ve more than 8 years of experience and I’m still getting experience through more years. Here you can see my main skills. HTML, CSS, JavaScript, Angular, jQuery, Swift, Vue, Elm, Ruby, PHP, Java, .Net, Python, ROR, Rust, Bootstrap, React, C++, Laravel, Kotlin, ORACLE, ABAP, Agile, TypeScript, CMS (Wix, Squarespace, joomla), Ecommerce WordPress, Shopify, UI/UX, Photoshop, Illustration, Figma. I have solid knowledge in programming and I am so devoted to my work that my own projects end with getting lots of response and popularity. Services that I can offer you: • Complete your unfinished work • Various University Projects • Bugs Fixing • I can build Webb applications for you I love what I do, I do my best for my clients. Let’s cooperate together and develop your business with wise and skillful developer. Thank You

  • HTML5
  • CSS3
  • JavaScript
  • jQuery
  • Ajax
  • Bootstrap
  • Foundation
  • UI / UX
  • React js
  • React Native
  • ANGULAR 2
  • ANGULAR 4
  • ANGULAR 1
  • Node js
  • Wordpress
  • PHP
  • MySql
  • Magento
  • Opencart
  • Shopify
  • Woocommerce
  • Laravel
  • Codeigniter
  • Object-oriented Programming (OOP)
  • SEO
  • SVG
  • C++
  • C#
  • Java
  • Python
  • Ruby
  • Jade
  • Web Developers
  • Software Developers
  • Software Engineer
  • Front-end developer
  • Back-end developer
  • .NET developer
  • Game Developer
  • 3D Animator
  • Motion Graphics Designer
  • Mobile Developer
  • Designer
  • Mendix Developer
  • QA
  • Data science
  • Flutter
  • DotNET
  • Blockchain
  • XHTML
  • Vue.js
  • IoT
  • Augmented
  • GraphQL
  • Hadoop
  • Yii
  • Mern
  • VR
  • Software QA
  • Digital marketing
  • MATLAB
  • Powershell
  • Assembly
  • Hourly Rate$25 / Hr
  • Total Earned$9638
  • Experience7 Years

I am an expert in web usability, accessibility and a self-starter and always get the job done promptly. In my past experience I have been one-developer team and am fully responsible 24/7 for the operation and support of the applications I create. That means I have to write code that works. I'm responsible for ensuring quality assurance, developing strategies to support system applications, database management and providing a positive user experience, among other responsibilities. I have advanced proficiency in: - JavaScript- AngularJS , NodeJS, ReactJS, VueJs - CMS: WordPress, OpenCart, Magento, PrestaShop, Shopify, Drupal, Wix - PHP -Laravel -Linux - MySQL/SQL - UX/UI - Graphic Design - Adobe Photoshop

  • HTML5
  • CSS3
  • JavaScript
  • jQuery
  • Ajax
  • Bootstrap
  • Foundation
  • UI / UX
  • React js
  • React Native
  • ANGULAR 2
  • ANGULAR 4
  • ANGULAR 1
  • Node js
  • Wordpress
  • PHP
  • MySql
  • Magento
  • Opencart
  • Shopify
  • Woocommerce
  • Laravel
  • Codeigniter
  • Object-oriented Programming (OOP)
  • SEO
  • SVG
  • C++
  • C#
  • Java
  • Python
  • Ruby
  • Jade
  • Web Developers
  • Software Developers
  • Software Engineer
  • Front-end developer
  • Back-end developer
  • .NET developer
  • Game Developer
  • 3D Animator
  • Motion Graphics Designer
  • Mobile Developer
  • Designer
  • Mendix Developer
  • QA
  • Hourly Rate$20 / Hr
  • Total Earned$9767
  • Experience8 Years

Edwin Dobson

United Kingdom

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I am an experienced Software developer, with a Bachelor’s degree in Computer Science, Master’s degree in Information Technology, and hands-on experience in all levels of testing, including performance, functional, integration, system, regression and user acceptance testing. I enjoy being challenged and engaging with projects that require me to work harder. The technical skills that I master: Languages: NodeJS, React, C++, C, Java, .Net, SQL, PHP, Python, RoR, Applications: MS Visual Studio, Eclipsel Application Server: JBoss, Tomcatl Operating Systems: Windows, Unix, Linuxl Database Systems: SQL Server, MySQL, MongoDB, Ingresl Certifications: CCNA, Unicenter Certified Engineer.

  • Hourly Rate$30 / Hr
  • Total Earned$0
  • Experience10 Years

Hi Everyone! I am a Full Stack developer with nearly 8 years of experience. I am highly skilled in designing, testing and developing software. As a Full Stack developer focused on customer satisfaction, I manage all aspects of development from concept to requirements definition, design, launch, maintenance and user support. Technical skills: - JS , ReactJS , Redux , NextJS , VueJS , NuxtJS , Vuetify , Vuex , Angular 2+ , NodeJS , ExpressJS - PHP , Laravel , Symfony , CakePHP , Zend , Yii - MySQL , PSQL , MongoDB - GraphQL , Apollo Client , Firebaase - HTML , CSS , SASS , LESS , Bootstrap , Grid , Flex , Material UI - CMS: WordPress, Shopify, Wix, WooCommerce, BigCommerce, Prestashop, OpenCart, Webflow, Squarespace, Salesforce - Web Design: Adobe Photoshop, Adobe Illustrator, Figma, Adobe XD, Adobe InDesign, Logo Design, Landing Page

  • HTML5
  • CSS3
  • JavaScript
  • jQuery
  • Ajax
  • Bootstrap
  • UI / UX
  • React js
  • React Native
  • Node js
  • Wordpress
  • PHP
  • MySql
  • Magento
  • Opencart
  • Shopify
  • Woocommerce
  • Laravel
  • SEO
  • C++
  • C#
  • Java
  • Python
  • Ruby
  • 3D Animator
  • Motion Graphics Designer
  • Mobile Developer
  • Designer
  • QA
  • Hourly Rate$25 / Hr
  • Total Earned$17736
  • Experience8 Years

Hello, I’m a Full Stack developer, Web and App Development Specialist with over 6 years of full stack experience. I’m capable of working globally as a top-tier Freelancer. I have developed many websites over the years, working with small businesses, corporate clients and individuals seeking high-end web and app assets. A truly talented developer is one who’s got a large tech stack and can create from a number of frameworks and foundations. I am able to work with many myself, including: ● Front-end: ○ React.js , Angular, Vue.js ○ Responsive, PSD to HTML ○ CSS, CSS3, Flex, Bootstrap4, Sass, HTML ● Back-end: ○ PHP/Laravel/Wordpress/PHP ○ JSON/JAVASCRIPT (Jquery), Node.js, Angular.js ○ Ecommerce, SEO , API Integration ○ Python, Java, Ruby On Rails ● CMS: ○ WordPress, Shopify, Prestashop, Magento ○ Looker , Joomla

  • HTML5
  • CSS3
  • JavaScript
  • jQuery
  • Ajax
  • Bootstrap
  • Foundation
  • UI / UX
  • React js
  • React Native
  • ANGULAR 2
  • ANGULAR 4
  • ANGULAR 1
  • Codeigniter
  • Object-oriented Programming (OOP)
  • SEO
  • SVG
  • C++
  • C#
  • Java
  • Python
  • Hourly Rate$25 / Hr
  • Total Earned$12143
  • Experience9 Years

Enthusiastic Full Stack Developer with excellent programming skills, strong problem-solving abilities, quality-driven and customer-focused. Over 8 years of experience, high proficiency in coding and programming. Fluent in English, well-spoken with the ability to work closely with people from all backgrounds and personalities. Along with this, I have an experience in e-commerce web portal development of master pages, validations and plugins. Experience with various technologies – GraphQL | ECMAScript (ES6) | JavaScript | HTML5 | Sass | ES7 | Less | SQL Redux | Express.js | Laravel | Flutter | Connect.js | React Native | AngularJS | PixiJS | Ember.js React | Node.js | Backbone.js | D3.js | Polymer | jQuery | Raphaël | WebRTC | Socket.IO | EaselJS | WebGL | Three.js | jsSHA | RequireJS | YUI | Handlebars

  • HTML5
  • CSS3
  • JavaScript
  • jQuery
  • Ajax
  • Bootstrap
  • Foundation
  • UI / UX
  • React js
  • React Native
  • ANGULAR 2
  • ANGULAR 4
  • ANGULAR 1
  • Node js
  • Wordpress
  • PHP
  • MySql
  • Magento
  • Opencart
  • Hourly Rate$35 / Hr
  • Total Earned$20877
  • Experience8 Years

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Customer Reviews

Carlos Leon

Hourly Rate30$ /Hr

Projects Done22

Reviewed by Cindy Nelson

Costa helped out a lot, was involved in the process and updated us with news if necessary, I am satisfied!

Jose Cancelo

Hourly Rate20$ /Hr

Projects Done21

Reviewed by Ian Carroll

Awesome job and fantastic result. Jose is professional in his field and knows what he is doing.

Jose Cancelo

Hourly Rate20$ /Hr

Projects Done21

Reviewed by Matthew Hill

Extremely talented and capable of delivering all features as promised.

Zale Condos

Hourly Rate27$ /Hr

Projects Done10

Reviewed by Erin Morgan

Thank you, beautiful job. I love the way Zale is handling his projects.

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Hire PostgreSQL Developer

Looking for a SQL freelance developer for your PostgreSQL project? You’re in the right place. Hire PostgreSQL developer with ITHire. 

What Is PostgreSQL? 

The PostgreSQL database program is a computer software that allows data to be stored. It's one of the most popular database programs currently in use, and it's commonly used by websites and apps to store user information. It is free and open source software. This implies that anybody may use it for any purpose. The PostgreSQL License, like the BSD license, is a permissive open-source license. You can learn more about PostgreSQL in their developer’s guide.

What Are the Advantages of PostgreSQL?

PostgreSQL has a number of advantages over other database programs. First, it's very stable. It's been around since the 1980s, and it's been used in production environments for years. This means that it's less likely to have bugs and is more likely to be compatible with other software. 

Second, it's very versatile. It supports a wide variety of data types, including text, numbers, images, and even geographic data. It also supports a wide variety of programming languages, making it easy to integrate into existing systems. 

Third, it's very scalable. It can handle large amounts of data easily, and it can be scaled up to meet the needs of a growing business. 

Finally, it's open source, which means that anyone can contribute to its development and improve its functionality.

What Are the Disadvantages of PostgreSQL?

While PostgreSQL has many advantages, there are some disadvantages to using it as well. 

  1. It's not as widely used as other database programs like MySQL or Oracle. This means that there are fewer resources available for learning how to use it.
  2. It's not as easy to use as other database programs. It can be difficult to set up and configure, and it may require more technical knowledge than some database programs.
  3. It's open source, which means that anyone can contribute to its development and improve its functionality. This can be both an advantage and a disadvantage, depending on your perspective.

Interview Questions to Ask When Hiring a PostgreSQL Developer

Here are a couple of questions to ask a SQL developer for finding out how he works with PostgreSQL.

  1. What experience do you have with PostgreSQL? 
  2. What types of data do you feel most comfortable working with? 
  3. What programming languages are you most comfortable using? 
  4. What do you think are the biggest advantages and disadvantages of PostgreSQL? 
  5. How do you feel about working on an open source project? 
  6. How do you create the first user in PostgreSQL? 
  7. What do you think are the most important skills for a PostgreSQL developer?
  8. What PostgreSQL developer tools do you use the most?