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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. Petr B.

    Petr B.

    Senior Developer, PM

    Russia - Last active: 3 days ago - Tests: 5 - Portfolio: 2

    I have strong background in UNIX/Linux software development, Master's Degree in Computer Science. I worked on Enterprise high-load distributed hosting automation systems as a Team Leader (3.5 years in SWsoft, Inc., now called Parallels). For the last 6 years I'm running my own small software development business in Russia with primary focus on Python/Django apps. Not pure Web but often involving integration with hardware (Proximity Cards, Sensor Screens) or external systems like Payment Processing, SMS Gateways, GABRIEL (Airline Reservation System), etc. I can take an idea and turn it into a working business, through all the intermediate stages. Also I have experience of investing my own funds in my projects, so I feel the difference between "perfect code" in a month and "good enough" code that increases the revenue right now. Nevertheless, my code is very good: no copy-paste, always written with performance, flexibility and security in mind, etc. On oDesk I'm looking for (and actually find :) interesting projects with a sight on long-term fruitful cooperation. I'm also open to smaller activities (e.g., consulting) where my knowledge can be helpful.

    Groups: Coding Champs

    $40.00 /hr
    1,610 hours
    5.00
  2. Mariya Volzheva

    Mariya Volzheva

    DB dev(Oracle,MSSQL,MySQL) + Java/JSP/PHP/CSS

    Ukraine - Last active: 18 days ago - Tests: 5 - Portfolio: 2

    I prefer to work in the field of database development: Oracle, MSSQL, MySQL, Postgres, that includes database design, optimization, migration and integration. Besides I gained experience in developing software: web-portals (Java / JSP / Java Servlets, PHP, HTML, CSS, java script), C# applications (web services mostly), Java apps. I'm looking forward for opportunities to improve existing skills and to learn new technologies.

    $20.00 /hr
    884 hours
    4.89
  3. Vivek Viswanathan

    Vivek Viswanathan

    Expert Web App Developer & Manager

    India - Last active: 10 days ago - Tests: 6 - Portfolio: 3

    Over the last 8 years, I have developed a wide range of scalable & responsive websites on the cloud. My core competency lies in complete end-to-end management of the Project, and I am seeking opportunities to build websites from the ground up for you and your business. As part of my experience, I've worked for different companies and for various projects, from small startups to large corporations, from small device-oriented applications to multi-layer, cross-platform software. With a strong background in Agile development methodologies, I've worked with remote teams and clients from all over the world. I'm fluent in using the below programming languages/frameworks: Front-end: HMTL5, Flex, jQuery, jQuery-Mobile, BootStrap, Foundation, Canvas Libraries Back-end: Java, Spring, Struts, iBatis, BlazeDS, Php, Magento Mobile App: Phonegap Database: MySQL & MS-SQL Scripting: Perl, VB Script Other Expertise: Optimizing SQL query & web pages for performance, VB Macro I enjoy new challenges, looking to overcome my own high standard goals.

    $30.00 /hr
    911 hours
    5.00
  4. Areg Azaryan

    Areg Azaryan

    VBA developer (Excel, Access, Word) / Google docs / Google script spec

    Russia - Last active: 4 days ago - Tests: 8 - Portfolio: 3

    My main objective is to help you save your time and money by automating your MS Office or Google docs routine and developing solutions that are easy to work with and maintain. I have over 5 years of experience as a full-time senior VBA developer in large retail company. Within that time frame I've designed and implemented many MS Office solutions using VBA such as: dashboards, data management tools, client-server applications, automated reports, data visualization tools, web scrappers, cross-application automation tools, data mappers, data validation and calculation programs, complex Access databases, automated Word templates, MS Office mailing tools. For the last year I've also gained knowledge in Google docs service while successfully developing several solutions for my clients usnig basic functionality and Google script. Main MS Office applications in which I'm specializing: - Excel: Complex formulas, charts, pivot tables, external data sources (SQL Server, Access, OLAP cubes, Teradata etc.), conditional formatting, macros. - Access: Database design, relations, complex SQL queries, forms, reports, macros. - Word - PowerPoint - Project - Outlook I have extensive knowledge of the following VBA libraries: - Scripting. - Forms. - MSHTML, MSXML, WinHTTP services. - ADO, DAO, multidimensional ADO, Recordset, ADO extension for DDL and Security. - MS Office object model libraries. - VBA Extensibility. I also have basic knowledge of: - HTML, XML. - JavaScript. - MDX queries. Looking forward to work with you!

    $22.22 /hr
    269 hours
    5.00
  5. Asif Gohar

    Asif Gohar

    System, Network, Active Directory, Exchange, Backupexec, System Center

    Bahrain - Last active: 1 month ago - Tests: 5 - Portfolio: 5

    Knowledgeable and skilled IT professional with encompassing work experience spanning more than 8 years in systems administration with compliance as per industry standards. Possess excellent interpersonal skills to liaise amicably with diverse groups of people, different departments, vendors and agencies. With extensive exposure to different cultures and work environments and has worked effectively with multinational individuals and professionals from all organizational levels. Certifications: MCITP (Server 2008, Exchange 2010, Lync 2010) Expertise: Exchange 2007/2010, Active Directory 2003/2008, SCCM, SCOM, DPM, SCVMM, BackupExec,Enterprise Vault, WSUS, Lync, Server 2003/2008, ADRMS, SQL Server, SAN/NAS.

    Groups: Microsoft Certified Professionals

    $20.00 /hr
    270 hours
    4.95
  6. Denis Kuzmenok

    Denis Kuzmenok

    Perl Developer

    Ukraine - Last active: 1 month ago - Tests: 8 - Portfolio: 2

    Experienced in building e-commerce projects (online shops, price comparison systems). Latest projects: 1) Online shops, all backend, frontend programming. Used technologies: Perl, mod_perl, FCGI, TT, HTML::Template, memcached, MySQL, etc. 2) Price comparison system ava.ua (pricegrabber.com/shopping.com close analog). All backend, frontend programming, database administration. Used technologies: Perl, mod_perl, PLP Plack/PSGI, FCGI, HTML::CTPP2, etc. Mysql (Partitioning, Replication, Triggers, Procedures, Queries optimization).

    $22.22 /hr
    1,491 hours
    5.00
  7. Mykola Velykyi

    Mykola Velykyi

    Java Desktop Developer

    Ukraine - Last active: 2 days ago - Tests: 7

    Over the last 1 year, I have developed one project based on web server using HTML, SQL, CSS, javascript in my work. Over the last 4 years, I have developed many desktop programs using Java, C#, Python, C++ and programm style OOP in my study. When I create the application, my work consists of 4 stages: design, code, test and write documentation. I also have some experience in using XML. I am good in Mathematics. Mathematics is my hobby. I participated in mathematics competitions in many years and I took the leading places. I know and understand different algorithms. Also, I have a mathematical mind. I know parallel programming.

    $10.00 /hr
    15 hours
    4.97
  8. Matthew Davids

    Matthew Davids

    Software Architect

    United States - Last active: 18 hours ago - Tests: 3

    Currently doing a few different things. Among them: - Cloudformation and infrastructure design on AWS: - Autoscaling, S3, couchbase, node applications, Chef - Javascript Single Page Application design: - React.js, gulp, semantic-ui - Fluid Dynamics/Modelling in Processing: - Side project, not professional. Navier-Stokes, numerical methods, computer graphics, etc. I previously developed provisioning and deployment solutions for a client's in-house automated testing infrastructure. The majority of this was done in Ruby, with some variations dictated by DSLs in Chef and Vagrant, as well as a number of scripting languages, as required. I've also managed a team of 3-5 software engineers working on provisioning automation/DevOps projects. Current Frameworks and JS tools: React.js, backbone.js, gulp.js, bower, browserify, node, etc... More to come shortly. Current Languages: JavaScript, Ruby, Chef, Batch, BASH, Powershell, XML, JSON, AutoIT Current Tools: Chef, Amazon Web Services, Vagrant, Ant, InstallAnywhere, Install4j Current Operating Systems (configuration, software deployment, etc): Windows Server (2003 - 2012) SLES 11 RedHat 6.4 CentOS 6.4 Ubuntu 12.04/14.04 Amazon Linux Past Languages: Processing, C++, Java, OpenGL, Octave, MATLAB, Mathematica, SQL, C, C#, LUA, R, and Python Other: Verilog, VHDL, Oculus Rift, Razer Hydra

    $60.00 /hr
    1,921 hours
    5.00
  9. Saeed A.

    Saeed A.

    SugarCRM, PHP, Mysql, Laravel Developer

    Pakistan - Last active: 4 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
  10. Yulia Echevarriya

    Yulia Echevarriya

    Software Engineer

    Russia - Last active: 4 days ago - Tests: 3 - Portfolio: 3

    I have 10 years of experience in Software Engineering. I have developed several enterprise applications using C#, ASP.NET, MVC, MS SQL, Javascript, JQuery and commercial web sites using .NET technologies and also PHP, MySql. Also have experience in maintaining and supporting legacy applications. I have deep experience in DB design, TSQL. I aim to write a high quality and maintenable code. Additional experience of 3 years developing banking applications in Visual FoxPro. I am looking for opportunities to build solutions for you or your business, with flexible off-site hours. I prefer not to work in PHP

    $20.00 /hr
    474 hours
    5.00