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I am a senior web and mobile developer with 7 years of experience. The scope of my projects varie within different frameworks and scales. I have passion in graphic design. I have huge experience of work with databases. Key skills: JavaScript (React.JS, Node.JS, Vue, etc.) WIX, Perl PHP frameworks (CodeIgniter, Yii,Laravel,Slim, etc.) Shopify, Magento, Prestashop, WooCommerce Rest API, Stripe API HTML/HTML5; CSS SQL Programming; Database Programming

  • HTML5
  • CSS3
  • JavaScript
  • PHP
  • Hourly Rate$33 / Hr
  • Total Earned$7200
  • Experience7 Years

Ruslan Botalov

Russian Federation

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Hello! I am a Full Stack developer with 11+ years of proven experience in implementing proposed solutions. I have an in-depth knowledge of the interworkings of software and combine that with my command of the English language to make sure your documents are flawless for publishing. Effectively skilled in implementing technologies such as C#, ASP.NET MVC, Web Forms, Azure, Java Script, JQuery, Angular, Microsoft SQL Server Management Studio, LINQ, T-SQL My other tech skills include: ASP.NET, ASP.NET MVC, .Net Core, Java Script, JQuery, JavaScript, XML, JSON, AJAX Bootstrap, HTML5 ,log4net, MVC, N-Tier Architecture, ADO.NET, Entity Framework. If you opt to work with me I will ensure that you are satisfied and your product is exactly according to your requirements and desire. 

  • Hourly Rate$35 / Hr
  • Total Earned$23540
  • Experience11 Years

I'm an experienced Full Stack Developer who assists on both the front-end and back-end software development tasks. 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 • ASP.Net • JavaScript/JQuery • AJAX • Twilio, CometChat, Quickblox • WebRTC, talkJS • Java • Python • MySQL, SQL • PHP • API integration • GitHub, Agile

  • Mobile Developer
  • JavaScript
  • jQuery
  • Bootstrap
  • UI / UX
  • React js
  • React Native
  • ANGULAR 2
  • Node js
  • Wordpress
  • PHP
  • Opencart
  • Shopify
  • Front-end developer
  • Back-end developer
  • Hourly Rate$30 / Hr
  • Total Earned$19370
  • Experience7 Years

Hello, My name is Helen. I'm a full-stack web developer with over 8+ years of experience specializing in frontend & backend development. Experienced with all stages of the development cycle for dynamic web application projects. 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. Why Choose me? • 15 days support after project • 100% Clients Satisfaction • High Quality end results • Unlimited Revisions You are one step away from getting your dream web app to be developed and designed. Lets grow together! Best regards, Helen Toom

  • HTML5
  • CSS3
  • JavaScript
  • jQuery
  • Ajax
  • Bootstrap
  • Hourly Rate$25 / Hr
  • Total Earned$16773
  • Experience8 Years

I'm a Senior Full Stack Web developer with over 10 years of commercial experience providing digital solutions for my clients with 100% satisfaction. ⮩ Web Development: ✓ Cryptocurrency, development of bep20 erc20 crypto smart contract and tokens. ✓ ReactJS, Redux, WordPress REST API, Node.JS, Angular 4, React Native, Laravel ✓ PHP, WordPress, Woocommerce, Joomla ✓ Javascript, jQuery, jQuery UI, jQuery Mobile ✓ HTML5/CSS3, SASS/LESS, Bootstrap 3 and 4 ✓ Postgres, MySql, MongoDB ✓ APIs - Facebook, Twitter, Google API, Google Maps, Google Analytics, Dropbox, Twilio ✓ Basecamp, Jira, Redmine, Asana, Trello ✓ Git, Bitbucket, SVN ✓ Photoshop and SEO ⮩ IOS/Android App Development: ✓ Hybrid Apps development with PhoneGap ✓ Native Apps development: Android (Java) and iOS (Swift 3) ✓ IDEs: Eclipse, Netbeans, Android Studio, Xcode ✓ Backend : AWS, XML/JSON, REST/SOAP ⮩ WordPress Themes Development Process I design in PSD, AI, Xd, Sketch and then bring them into a responsive WordPress theme. At first, I slice the design into HTML/CSS. I use one of the most popular CSS libraries - Bootstrap - so my themes display correctly on all browsers. After that, I integrate the HTML with WordPress by creating a custom theme. I make the content editable thanks to the ACF plugin, which creates custom fields. With them, you input the data, and that's all! Everything works as expected, and there is no way to break the layout. To handle contact forms, I use plugins like Contact Form 7, Formidable, or Gravity Forms. In the end, we have a fully functional WordPress website. ⮩ Web Development Categories - Business and Not-for-profit - Online store, eCommerce, Custom checkout development - Membership-based website or App - Real Estate IDX and MLS integration - Scheduling and Booking - Dashboard and Reporting - Social Networking - Video Streaming and Conferencing - Blog and Online Courses - Landing Page Design - PSD or InDesign to HTML - API integration - LearnDash to SCORM and xAPI Conversation - NFT/Crypto ✪ My main working technologies and frameworks: --------------------------------- Technologies & Skills --------------------------------- ✓ Single Page Application (SPA), Web App (web app), Website ✓ React (ReactJS) or AngularJS (Angular 2+), NUXT, Vue (VueJS) ✓ CSS3, SASS(SCSS)/LESS preprocessors ✓ TypeScript, JavaScript ✓ Twitter Bootstrap, jQuery, D3 js, Underscore JS, Awesome and etc ✓ Node.js/Python (Django)/PHP (Symfony, Laravel) ✓ MySQL, Postgres/ Mongo ✓ Webpack/Gulp/Grunt ✓ Scalable Architecture ✓ Dependency Injection ✓ Algorithms Development and Data Structures (maps, dictionaries, heaps, stack, queue) ✓ Specific optimizations of technologies (Angular, React, Vue) ✓ Version control system: GitHub/BitBucket ✓ Bug/Issue trackers: Youtrack, Jira, Trello --------------------------------- Domain Expertise --------------------------------- Universities and Colleges : - Student and Staff management software - Questionnaire Builder and Assessment software - CMS - CRM - Business Intelligence Governments Authorities : - Employee Management Software - CMS - Patient Management Software Retail & Consumer Services: - POS - Both front-end and back-end business process automation TeleCommunication: - Call/SMS Tracking software (Inbound/Outbound) Recruitment: - Online recruitment and staffing - Skills management software eCommerce - Online Shopping web applications - Online Shipping software I have good experience in OOP and Laravel framework development (WPF, Web Forms, MVC, WCF). I have a strong understanding of PHP language and OOPS concepts. I aim to utilize my expertise by helping clients maximize their impact and stature in corporate and global communication as well as to develop a System/Website Application that they may need to make manual Transactions/Work automatically. I am also a fast learner and will love to learn new things and acquire new knowledge. My core competency lies in the complete end-end management of a new website development project, and I am seeking opportunities to build websites from the ground up for you or your business. Fell free to contact me!

  • 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
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  • 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$25 / Hr
  • Total Earned$13112
  • Experience10 Years

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  • HTML5
  • CSS3
  • JavaScript
  • jQuery
  • Ajax
  • Bootstrap
  • Foundation
  • UI / UX
  • React js
  • React Native
  • ANGULAR 2
  • Node js
  • Wordpress
  • PHP
  • MySql
  • Shopify
  • Woocommerce
  • Laravel
  • Web Developers
  • Front-end developer
  • Back-end developer
  • 3D Animator
  • Motion Graphics Designer
  • Designer
  • Hourly Rate$20 / Hr
  • Total Earned$0
  • Experience6 Years

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Customer Reviews

Carlos Leon

Hourly Rate30$ /Hr

Projects Done22

Reviewed by John Smith

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 Done19

Reviewed by John Smith

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

Jose Cancelo

Hourly Rate20$ /Hr

Projects Done19

Reviewed by John Smith

Extremely talented and capable of delivering all features as promised.

Zale Condos

Hourly Rate27$ /Hr

Projects Done10

Reviewed by John Smith

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?