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SQL (Structured Query Language) is a database computer language designed for accessing and manipulating databases in relational database management systems. On Upwork, the world’s largest online workplace, companies hire SQL developers to successfully complete jobs including providing support, troubleshooting and setting up/ managing databases.

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SQL Job Cost Overview

Typical total cost of Upwork SQL projects based on completed and fixed-price jobs.

Upwork SQL Jobs Completed Quarterly

On average, 403 SQL projects are completed every quarter on Upwork.

403

Time to Complete Upwork SQL Jobs

Time needed to complete a SQL project on Upwork.

Average SQL Freelancer Feedback Score

SQL Upwork freelancers typically receive a client rating of 4.65.

4.65
Last updated: August 1, 2015
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  1. S. M. Abu Sayeed

    S. M. Abu Sayeed Agency Contractor

    Professional web developer (expert in joomla , wordpress and OpenCart)

    Bangladesh - Tests: 9 - Portfolio: 17

    I am a professional web developer since 2008 . I have developed a wide range of websites using HMTL, Joomla, Wordpress, osCommerce, Opencart, Jquery, DHTML, PHP, and MySQL including sites for startup companies and small businesses. I also have some experience in the following areas: SQL, Ajax, OOP, and software design and testing. I strongly believe that my creativity, understanding capability, analytical and problem solving skill will enable me in facing the challenging carrier ahead. I can provide high quality semantic XHTML / CSS with 100% Guarantee . My Expertise : -- PSD to HTML/CSS -- PSD to XHTML/CSS -- PSD to Joomla website -- PSD to wordpress theme or wordpress website . -- Joomla module and component customization . -- joomla virtuemart website . -- I also can build osCommerce and OpenCart base eCommerce website .

    Associated with: TheWebCoder

    $16.67 /hr
    3,742 hours
    4.98
  2. Jon D.

    Jon D. Agency Contractor

    Experienced Systems Administrator and Project Manager

    Philippines - Tests: 4

    I have done GNU/Linux and BSD/Unix systems administration since 1995. I have 11 years of database design and administration experience, and 9 years of web programming experience. I also have 10 years of domains and web site and app hosting experience, and 7 years of cloud-computing and infrastructure experience. My proficiencies are in the areas of systems and network administration, infrastructure design, development, and deployment, web applications design and development, database design and development, and systems analysis and design. I have managed projects involving enterprise-scale implementations of software and middleware solutions, turnkey and custom-built web application systems, and I.T. infrastructure and back-office operations. I am attentive to detail and am very effective as a troubleshooter. I am also a proactive planner with the capacity to sustain critical decision-making. I am a team player and am able to handle individuals and teams, and drive or direct them as appropriate, to their personal, group, or corporate IT goals and targets. I am very proficient in communications, change management, and resource management. I have superior speaking and writing command in the English and Filipino languages, and am able to efficiently deal with foreign support managers and engineers.

    Associated with: JMKTech

    $14.00 /hr
    468 hours
    5.00
  3. Alexandr Shulgin

    Alexandr Shulgin Agency Contractor

    Product manager with technical background / Yii, Yii2, CRM, SAAS

    Russia - Tests: 4 - Portfolio: 6

    Hi and welcome! I'm a project manager and lead developer with great technical expertise in the web industry. I have enough experience in building high level applications from scratch. I can work as the Project Manager or Lead Developer. Favorite projects for me are: startups, SAAS, CRM, e-commerce, ERP, etc. I love working with modern technology and interesting people. That is why I got two degrees in the field of programming and in the field of psychology. In the area of programming I have worked with different tools such as yii2, yii, symfony2, etc. And I don't like to complicate the work, so I choose the instruments that meet the KISS principle https://en.wikipedia.org/wiki/KISS_principle In creating a project, I believe that the key role occupied by motivated people and culture. So, I love to use Kanban and agile development like Scrum. As a demonstration of my experience you can look to my portfolio below. I particularly advise you to look at the last start-ups which we have made, they are https://www.semipermanent.com and https://www.cataloguemagazine.com.au Sometimes I find the time to pay the debt to a open source community, so you can look at the examples of my code using this short link to github: https://goo.gl/FxXVzE It's my issues and pull requests to kernel of Yii2 framework. I do not want to work with people who believe that they can get a great staff for a minimal fee. Also I do not cooperate with people who create applications to trick people. I am always open to learning new and make new cooperation. So If you have any questions bottle of whiskey, please feel you free to ask. I would be happy to answer. Thank you for that you have read to the end Look forward to your offers Regards! From Siberia of Russia with love ;)

    Associated with: PurrWeb

    $35.00 /hr
    2,598 hours
    5.00
  4. Cornel Raiu

    Cornel Raiu Agency Contractor

    Senior PHP Web Developer - Wordpress & CS-Cart Expert

    Romania - Tests: 7 - Portfolio: 1

    I have created created from scratch and / or optimized websites built on Cs-Cart, Wordpress, Drupal, Prestashop, Magento, OpenCart. I have created a few custom CMS websites, built from scratch for customers needing that. I have also developed add-ons and coded themes for the mentioned above platforms. Expert knowledge of PHP, MySQL, JS, jQuery, CSS, HTML, Wordpress and CS-Cart Everything that needs to be done, can be done. My motto: "Webdesign and WebDevelopment has no boundaries! Only programmers do." However, if you want to work with me, I can show you what a passionate web developer can do.

    Associated with: Seonid Studio

    $33.33 /hr
    313 hours
    5.00
  5. Pawandeep Kaur

    Pawandeep Kaur Agency Contractor

    Joomla, wordpress, oscommerce, core php, drupal, magento, Java

    India - Tests: 4 - Portfolio: 9

    Here I am looking for any kind of PHP & Joomla related web projects which gives me opportunity to enhance my skills and being the most preferred Joomla programmer in oDesk. I can assure you quick turn around, quality , Meeting deadlines and regular communication. Being a full time programmer in oDesk, I can work upto 50hrs/week and can provide you long term support. 7+ Years experienced PHP & Joomla programmer. I am confident that I can do anything and everything comes in Joomla or Joomla related platforms. I have extensively worked on customization and Integration of Joomla Plugins, Modules and components.I have hands on experience in developing Social networking websites, Ecommerce websites, Membership websites,Marketing website, and other generic websites using PHP, Joomla, Jomsocial,Virtuemart, HTML, Javascript, Jquery and CSS

    Associated with: Innov Web Solutions

    $11.00 /hr
    568 hours
    4.88
  6. Iuliia S.

    Iuliia S.

    Software Development Engineer

    Ukraine - Tests: 3 - Portfolio: 2

    Top Rated My interests are Algorithms, Data Science and Competitive Programming. My passion is solving challenging problems. My competency lies in working from start to end for bringing ideas into life, cooperating and contributing as much as it is appropriate. I was engineer from the start of my life. When other girls were playing dolls I was trying to figure out how are designed toys and household appliances. These experiments with intense math training during school years brought me into Engineering Department of National Technical University where I began study IT in 2002. My project was software development for optimization of complex structures. Research was supported by private Ukrainian scholarship Zavtra.UA and German Academic Exchange Service Leonhard-Euler scholarship. Also I was employed on the same topic as part of Research & Development team in UPEC Industrial Group. In 2011 I finished this work as well as PhD study and started my way as independent contractor.

    $22.22 /hr
    646 hours
    4.92
  7. David Master

    David Master

    Senior software developer with expertise in PHP, Java, C/C++, & MySQL

    United States - Tests: 2 - Portfolio: 9

    Over the last 6 years, I have developed a wide range of software solutions using Java, C++, PHP, and MySQL including my own startup, Email Gorilla (http://www.emailgorilla.com) and marketing software for a Florida C.P.A. firm. I have the ability to write professional, clean Java solutions to a wide variety of needs for you or your business. Also, I have a core competency with SQL, Ajax, OOP, software design, HTML, CSS, DHTML, Javascript, and Python.

    $83.33 /hr
    121 hours
    5.00
  8. Jonathan Hayes

    Jonathan Hayes

    Experienced web developer PHP Coldfusion UI Javascript graphic design

    United States - Tests: 2 - Portfolio: 9

    I am a web developer and designer. I have designed, developed and maintained websites and web applications using Coldfusion, PHP, MSSQL, MySQL, HTML, Javascript, JQuery, DHTML, AJAX, Photoshop, Illustrator on both windows and linux platforms for 13+ years. I have experience setting up and customizing Wordpress, Twitter and FaceBook(GraphAPI) applications. I am also familiar with different CMS platforms including MuraCMS, BEA Weblogic, and other custom platforms. I am versed in PHP and Coldfusion frameworks - my favorite Coldfusion framework du jour is CFWHeels -simply put, beautiful. My PHP templating framework of choice is Smarty. I have developed websites and applications for the UK media industry (planning/buying/forecasting), energy sector (forecasting, analyses,data feeds) , financial reporting and various social networks. Please note I am now based in the US. I have experience working with Google Maps API, Twitter Integration. I have recent experience developing custom solutions for the InfusionSoft API, and other XML and JSON based Web Services API's. I have quite extensive experience with developing solutions with ImageMagick. I am seeking opportunities to work on existing websites as well as building new websites. I prefer to work with people who can maintain a sense of *humour* :P Look forward to working with you! (p.s. I am fluent in UK English as well)

    $88.89 /hr
    595 hours
    4.48
  9. Serhii Pohorilyi

    Serhii Pohorilyi

    Backend python developer

    Sweden - Tests: 6

    Over the last years I've been involved into backend development on Python. My main focus was on building distributed systems for data processing and implementing site backend for software analytics service. Used to work in by agile methodologies like Scrum, test my code, do code reviews etc. Would like to work with team that shares same values. If you need a good backend developer you can go no further. We will create good software together. P. S. Last couple of years I've been working offline so that's why there is a gap in work history here.

    $35.00 /hr
    30 hours
    4.82
  10. William Souza

    William Souza

    Java Expert (top 1% Advanced Java)!

    United States - Tests: 6 - Portfolio: 1

    I love challenges and low-level programming that involves the creation of API's, system's core, math, advanced algorithms, code optimization, artificial intelligence, bits & bytes, debugging other people's code (even without documentation) and everything that involves lots of thinking. I am a hardcore programmer and I code for fun at my free time to keep in touch with new techonologies :) My core experience in the last years is Java (I started with Java since the 1.1 version! pre-swing and with Microsoft Java SDK!), but I've already programmed in a huge variety of languages, like: ASM, PHP, C/C++, C#, VB, SQL, Lua, , etc. I speak "computer", so if you have a bug and you don't have proper documentation, don't worry, I will fix it!

    $77.77 /hr
    752 hours
    4.37