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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. Saeed A.

    Saeed A.

    SugarCRM, PHP, Mysql, Laravel Developer

    Pakistan - Last active: 5 days ago - Tests: 5 - Portfolio: 7

    Over 5 years of industry experience in developing, implementing and maintaining various database driven web applications using opensource technologies like wordpress, SugarCRM, Laravel and OOP PHP.Keen interest in CRM customizations and implementing business solution for companies to grow. - Expert in setup, develop and customize SugarCRM,CMS based website, web application from start to end. - Strong Knowledge of both SugarCRM6 and SugarCRM7 Architecture and extensive development - expert of different PHP frameworks CakePHP, Laravel, wordpress - Experience of client Side languages(JavaScript, JQuery, YUI, BackBone.js) - Expertise in PHP, MySQL, Ajax, XHTML, CSS. - Good knowledge of Web services (SOAP and REST services) - Strong Knowlege of MVC, Software Delopment Life Cycle(SDLC) and Software Design Patterns. - Developing advanced database driven websites & systems including Portals, CMS etc. - Integrations 3rd party Tools & Technologies including Facebook Integration, • Twilio VOIP (SMS, Calls), ABC Financials etc - Mobilink Super Engineer 2012 Specialties Programming Languages: Object Oriented PHP, HTML, CSS, JavaScript(JQuery, YUI, Backbone js, handlebars js), SQL, JSON, XML, Smarty, Facebook Graph API, Frameworks: MVC, SugarCRM, Wordpress Tools & Softwares: WAMP, Firebug, Dreamwearver, Notepad++, Photoshop, MySQL, phpmyadmin, navicate, SQLyog, FileZilla WinSCP, PUTTY, Tortoise SVN, Tortoise Git, Microsoft Offices

    $12.00 /hr
    383 hours
    5.00
  2. Eduard Bagrov

    Eduard Bagrov Agency Contractor

    C/C++/C sharp/PHP/HTML/MySql/SQL Senior Software Developer

    Armenia - Last active: 16 days ago - Tests: 7 - Portfolio: 3

    I'm Senior Software Developer with 7+ years experience. What I usually do: 1) Scraping projects 2) Embedded programming 3) Kernel module programming 4) Unit testing (cunit, Nunit) 5) Desktop and Web applications development 6) Java Android games development Languages: C/C++ (X11, STL, GTK+) C#, asp.net Java Android Phyton PHP, HTML MSSQL, MySql

    Associated with: SYP

    $22.22 /hr
    206 hours
    5.00
  3. Aaron Contreras

    Aaron Contreras

    informatics engineering

    Venezuela - Last active: 1 day ago - Tests: 1

    I'm informatic engineer focus mainly in web development using HTML5, CSS3, Javascript, Jquery and bootstrap for the client side. I had been working in a project using .Net Framework, C# and SQLServer for the server side, furthermore, I had worked in other projects with PHP, YII framework and MySQL. I have no trouble on discuss what is the best for the work and learn what is needed for accomplish it. I’m looking for new challenges and new projects where I can improve myself and my skills and create usefull systems that help to improve the world. I have knowledge in UML, database modeling and system design.

    $5.00 /hr
    475 hours
    0.00
  4. Andre Mello

    Andre Mello

    Back End Developer

    United States - Last active: 23 days ago

    I am a web developer. I am a senior programmer with extensive knowledge of the back-end. I love what I do and I always strive for usability and performance in my work. A personal philosophy of mine is that in the world of programming anything is possible. I am always looking for ways to expand my knowledge of both computer programming and the world around me. I am a self-driven perfectionist and I immerse myself in the latest trends surrounding technological development. I am looking for challenging projects so that I can improve my techniques.

    $15.00 /hr
    0 hours
    0.00
  5. James Perkins

    James Perkins

    Software Engineer - SQL,Security,OS,Web Certified.

    United States - Last active: 11/01/2014 - Tests: 4 - Portfolio: 1

    I am a Software Engineer for a large Software Company in the United States. My Goal is to become a lead developer. I am certified in the following : Microsoft Certified: SQL Database Administration, Security, Operating Systems CIW Certified: Web Development ( XHTML,XML, JavaScript, HTML) I am well versed in Java, SQL, XHTML/HTML, CSS, PERL, JavaScript Python, PHP and Ruby

    $10.00 /hr
    0 hours
    0.00
  6. Kujtim R.

    Kujtim R.

    Data scientist & machine learning engineer in NLP and Computer Vision

    Macedonia - Last active: 3 months ago - Tests: 3

    I am PhD student in Computer Vision. I have graduated at Technische Universität München in 2014. My master thesis was related with NLP, text mining and machine learning. I am interested in computer vision, NLP and web development. Also I do online algorithm competition. I love math, and during high school and primary school I have participated in national and international math competition. During master studies I have done these projects: Worked in Yelp data-set challange as part of practical course data mining. Task: Estimated business rating using features extracted from business reviews (sentiment features and n-grams), user information and business location. Achieved 91% classification accuracy. (Text mining, machine learning, WEKA, Java) System of automatic agents for Indexing Pubmed & Pubmed Central for rich text annotations - Solr, Java, Bash (information retrieval, indexing, searching) Road type recognition using random forests on “BMW Car IT”- Python, Machine learning Web application "Collaborative video note"- Java Play!,ElasticSearch, CSS, JPA ,JavaScript, CSS, Ajax, PostgreSQL, GoogleAPI) Bachelor studies: Designed and implemented small compiler - 10000 lines of code C++ and 4 "student web application" in .NET Awards and honors: 1st place Codefu Autumn 2014 – competition in algorithms December 2014 DAAD scholarship for Master studies in Technische Universität München - April 2012 Honor Best Student of Faculty of Computer Science and Engineering, “SS Cyril and Methodius” University, Skopje and in top 3 students of university – 26.11.2011– Skopje Student of generation at Institute of Informatics (FNSM)– December2009,2011 Successful participation in Balkan Math Olympiad for adults – May 2008 Macedonian Math Olympiad (MMO 16-20years old): Silver (April 2008), Bronze (April 2006) National Math Competition in Macedonia – II prize (March 2008, 2007, 2006), I prize (March 2005) Successful participation in MMO -(April 2008, 2007, 2006, 2005) National WideMath Olympiad “PLUS” (Macedonia, Albania, Kosovo) III-prize (May 2003, 2004) IIprize (May 2005) Student of generation, 7th march (2004, 2005, 2006, 2007, 2008)

    $27.78 /hr
    0 hours
    0.00
  7. John B.

    John B.

    Expert LAMP admin, focus on Python and Flask

    United States - Last active: 6 months ago - Tests: 3 - Portfolio: 2

    Stanford grad w/ Masters of Information Science (UIUC) and 9+ years building whiz-bang websites, analyzing the heck out of some data, fixing what's broken, and making things that don't break in the first place. Talents: Python (esp. Flask, Django, and SciPy/NumPy), front-end stack [(X|HTML|5), CSS3, javascript (jQuery, backbone, etc.)]; server setup and administration; redis, SQL, mongo; solid understanding of what a user looks for when they look for information, and how to get it to them. Robust support for data management throughout its lifecycle of interest. I can also churn out written content pretty fast, if that's something you need.

    $45.00 /hr
    174 hours
    4.98
  8. Ivan N.

    Ivan N.

    SAP-ABAP, C#, SQL Developer

    Moldova - Last active: 1 day ago - Tests: 3

    My core competency and objective is to get one of the following C/C++, C#, SQL or SAP-ABAP jobs: The responsibilities would be: 1) Maintenance of existing software: * design and develop new features; * find, analyze and fix all bugs; * technical documentation. 2) Software development: * participate as a team member in work; * analyze and define requirements; * design, code and test entire software; * design, code and test modules assigned to me; * technical documentation. Over the last 5 years I have developed a lot of ABAP applications for start up companies and for the big ones. My competency lies in complete software development and its thorough testing. I have developed a lot of applications for insurance companies and retail companies. The main responsibilities during my career were: 1. Creating / modifying reports using simple listing, ALV Grid, ALV Tree 2. Creating / modifying / testing custom applications 3. Creating/modifying Smart Forms, SAP Scripts 4. Extracting programs (creating files and simple listing reports with the data extracted both on local & application server) 5. Defining and maintaining data types, domains, database structures, database tables, maintenance & cluster views 6. Interfaces for major data transfer using Batch Input/Call Transactions, BAPIs 7. Defining and Calling Screens/Selection Screens 8. Creating Search Helps, Search Help Exits 9. Creating / modifying ABAP Queries 10. Working with ABAP objects. Creating/modifying ABAP classes/interfaces 11. Creating/Modifying Function Modules, RFC functions, Update Functions 12. Creating/Implementing/Modifying User Exits, BADIs 13. Creating/Calling Web Services. Use SAP Web Application Server as a provider and as a consumer 14. XML->SAP & SAP->XML transformations I also have experience in SQL, C#, C++, software design and testing.

    $17.78 /hr
    4 hours
    0.00
  9. Ibrahim A.

    Ibrahim A.

    Freelancer with experience in C# Python & data scraping

    India - Last active: 6 days ago - Tests: 2 - Portfolio: 2

    Over last 3 years, I have developed a wide range of desktop and web applications using C#, asp.net mvc, Python, JavaScript. My core competency lies in complete end to end development of applications. I also have good knowledge of data scraping. I am seeking opportunities in 1: Building desktop/web applications/scripts from the ground up for you 2: Scraping or crawling to extract structured data from web pages that can be helpful for your business I also have good experience in the following areas: Ajax, knockout, kendoui, signalr, WPF.

    $15.00 /hr
    2,120 hours
    4.75