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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, 406 SQL projects are completed every quarter on Upwork.

406

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 4.67.

4.67
Last updated: July 1, 2015
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  1. Carlos Arturo Rios Vertel

    Carlos Arturo Rios Vertel Agency Contractor

    Electronic Engineer

    Colombia - Last active: 1 day ago - Tests: 8 - Portfolio: 4

    I developed several projects using Matlab programming language. In my portafolio, there are some of them. My main skills is computer vision area, where I achieved an international publication on IEEE with Integrated Camera System For Peripherical Vision. Also I have good foundation developeding projects using microntrollers with programming in C. It means, I able to make PCB circuits and designs. IEEE Publication: http://dx.doi.org/10.1109/IMTC.2011.5944270

    Associated with: iOS Dev Club

    $20.00 /hr
    2,978 hours
    4.22
  2. David Master

    David Master

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

    United States - Last active: 6 months ago - 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
  3. Rudolf Fernandes

    Rudolf Fernandes

    Technical Writer

    Canada - Last active: 06/14/2014 - Tests: 8 - Portfolio: 3

    I'm semi-retired after a varied career - fighter pilot[10 yrs], farmer[2], salesman[5], computer consultant[20] & veterinarian[1, ongoing, part time]. I am intelligent and reliable. My primary skills are : * Exposure to multiple careers (i.e. wide breadth of knowledge) * Excellent English (native speaker, writing) * Excellent IT skills * Extensive exposure to proof-reading I am looking for a part-time job that leverages my skills while providing flex-time working hours.

    $11.11 /hr
    147 hours
    5.00
  4. Vladimir I.

    Vladimir I.

    PHP/MYSQL/JavaScript Developer

    Bulgaria - Last active: 12/02/2012 - Tests: 7 - Portfolio: 20

    I have 10 years experience developing web applications. I started as PHP developer dedicated to custom CMS development. I have experience with PHP (4, 5, OOP), SQL, JavaScript, HTML, CSS, XML and related technologies like AJAX, JSON, JScript, E4X, XSLT, XUL and others. Until now, I have a constantly increasing passion about the client-side technologies and everything that can "extend" the capabilities of the regular web based project. This lead me to today's "web applications". I have also made more than 15 Dreamweaver extensions.

    $33.33 /hr
    209 hours
    4.99
  5. Taras Matyashovsky

    Taras Matyashovsky

    Expert Java/Groovy Software Engineer

    Ukraine - Last active: 04/22/2010 - Tests: 9

    LinkedIn: http://www.linkedin.com/in/tarasmatyashovsky Slideshare: http://www.slideshare.net/tmatyashovsky Hello, world! :) I was out of Odesk (now Upwork) for more than 5 years, but now I am back and willing to find interesting tasks and activities. Few words about myself. I am not only creative and decent person but also a certified software design engineer and team leader working professionally for more than 9 years in the area of distributed web application development. My core competency lies in standard and enterprise Java technologies. Consumers I have worked with include both startups and proven industry representatives: Ebay/MarktPlaats, Jaspersoft, HP/TippingPoint, Opower, Tidemark, FrostDigital, Monsanto, Grid Dynamics, Ontario Systems, etc. Also I’ve tried myself in freelancing and had a startup. Currently I am interested in big data trends and microservices architecture. I'm doing my job with high-quality cause good reputation always matters. Feel free to contact me concerning any development request or business proposal.

    Groups: Facebook Developers

    $45.00 /hr
    47 hours
    4.91
  6. Igor Naumov

    Igor Naumov

    Java/Spring/C#

    Macedonia - Last active: 4 months ago - Tests: 5 - Portfolio: 1

    A software engineer who has a proven track record of using good programming practices to produce software. An accomplished problem solver with 5+ years experience building software. Background includes strong knowledge of back-end development as well as extensive experience of front-end development. A highly and well organised, results-driven, self-motivated and hard worker. Familiar with: Java, C#, Spring, GWT, Maven and much more...

    Groups: Application Developers Alliance

    $30.00 /hr
    5,469 hours
    5.00
  7. Saima N.

    Saima N.

    Web-S/W Developer/ Researcher/ Teachnical Writing

    Pakistan - Last active: 12/22/2014 - Tests: 6 - Portfolio: 7

    Over my career I have been handed a great many challenges and I have thoroughly enjoyed finding solutions for my clients problems. I have not limited myself specifically to one area but many, and have enjoy a diverse technical career. I am a skilled, hard working, dedicated IT professional with over 3 years of experience. I have excellent communication skills and am available at your need. Gets things done and Always up for big challenge. Now, I want to extend my capacity as a freelancer in providing quality services to clients. I believe that the skills that I have develop will be of better use if it is given the chance to prove itself by providing accurate and efficient services that the clients would expect. I hope I will not disappoint you! • Web Engineering • Digital Image Processing • Algorithm Analysis and Design • Software Project Management • Software Quality Assurance • Object Oriented Programming • Data Structures and Algorithm • Database System • Visual Programming • Software Construction • Operating System • Web Development -------The secret to mastery in any field is to forever be a student-----

    $5.56 /hr
    44 hours
    4.99
  8. Hamza Tasneem

    Hamza Tasneem Agency Contractor

    web developer

    Pakistan - Last active: 13 days ago - Tests: 3 - Portfolio: 3

    I am a web developer seeking any job related to PHP,HTML,CSS,JavaScript,MySQL or a combination of any one. I am a student of Software Engineering at National University Of Science and Technology in Pakistan. I have done many projects related to web and desktop applications in past and looking forward to provide work with highest costumer satisfaction.

    Associated with: FK Developers

    $12.00 /hr
    0 hours
    5.00
  9. Maxim M.

    Maxim M.

    Senior .Net Developer

    Russia - Last active: 6 days ago - Tests: 9 - Portfolio: 1

    8+ years of experience in commercial software development. My projects have been in various areas: oil&gas industsry, GIS, GPS trackers, mechanical engineering, web-scraping, VPN technology. My core competency is in developing high-performance and bug-free desktop applications\services for Windows platform. Seeking interesting and non-trivial work.

    $40.00 /hr
    2,631 hours
    4.81
  10. Ilya K.

    Ilya K.

    Cross-platform C++/Qt software developer

    Russia - Last active: 1 day ago - Tests: 9 - Portfolio: 3

    7+ years of experience in software development with C, C++ and Qt for Linux and Windows platforms. Technologies/skills familiar with: C, C++, Qt, CEF(Chromium Embedded Framework), Python, Lua, Ruby, Objective-C, PHP, Java, Javascript, SQL, WinAPI, posix API, EPICS, Modbus, OPC, networking, multi-threading, make, cmake, automake, autoconf, networking.

    $22.22 /hr
    5,656 hours
    4.57