SQL Database Administrators & Developers

Get Your SQL Project Started Today!

Hire a freelance SQL developer to add interactive functionality and flexibility to your database. Search our database of SQL consultants to get your project started today.

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.

Browse SQL job posts for project examples or post your job on Upwork for free!

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, 449 SQL projects are completed every quarter on Upwork.


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.

Last updated: May 1, 2015
More options
Clear all filters
  1. Denis G.

    Denis G.

    C# ASP.NET MVC T-SQL JavaScript Developer

    Russia - Last active: 10/26/2014 - Tests: 1 - Portfolio: 3

    Programming Languages :.NET technologies С#, C++ (Visual C++), Visual Basic, SQL (T-SQL MS SQL Server, MySQL), HTML/XML/XSLT/CSS, JavaScript, XAML OS: MS Windows NT, MS Windows-95/98/2000/2003/XP/Vista/7, MS-DOS DB: MS SQL Server, Access, DB design, ER-modeling, ODBC, DAO, OLE DB, ADO, ADO.NET Libraries: Silverlight, GWT, JQuery, JUnit, NUnit, MFC, MVC, STL, .NET 1.x .NET 2.x, .NET 3.x .NET 4.x, GDI+‚ MSXML. Technologies: Jira, SVN, mercurial, Bugzilla, TFS English: pre-intermediate Professional Experience Since 02.2012 An Entrepreneur (Switzerland company under NDA ) Tools and technologies: C#, Silverlight, ASP.Net, ASP.Net MVC3 Razor, JavaScript, jQuery, AJAX, MS SQL 2008 11.2009–01.2012 Company: Аuriga Position: Software Developer Project description: Client for ECN platform Technical tools used: С#, .Net 3.5, MS SQL, IIS for Web-server and ASP.NET, JQuery, WCF, SilverLight, PRISM. Position: Software Developer Functions: like FIX protocol message parser, socket connection manager, message dispatcher, UI development, JQuery plug-in for file upload Project description: LynxOS-178 certification Technical tools used: С, LynxOS-178 for PPC, CVS. Position: Software Developer Functions: write tests for core functions Project description: Warehouse system control, documentation export Ukraine Technical tools used: С# for business logic implementation, .Net 3.5, MS SQL for database, IIS for Web-server and ASP.NET, JQuery for thin clients. Position: Software Developer Functions: adapted system for Ukraine Project description: New age social network (crowdsoursing system for decision making/people search) Technical tools used: С# for business logic implementation, .Net 3.5, .Net 4.0, MS SQL for database, WСF, ASP.Net, ASP.Net MVC 3, JavaScript, JQuery Position: Software Developer, Team Lead Functions: developed the database, business logic, UI, WCF services, bugfix. Project description : Software development for medical equipment Technical tools used: С# for business logic implementation, .Net 3.5, MS SQL for database, WPF, .TEST Tests code coverage Bootstrap Prerequisite installer Position: Software Developer Functions: .TEST code coverage, developed the installer of Prerequisite Bootstrapper Project description: Warehouse system control, documentation export Technical tools used: С# for business logic implementation, .Net 3.5, MS SQL for database, IIS for Web-server and ASP.NET, JQuery for thin clients. Position: Software Developer Functions: implemented a new logic for change requests of customer ___________________________________________________________________ 10.2007 – 11.2009 Company: UpScale Soft Position: Software Developer Functions: Realization of web interface , procedures, business objects, managing elements , utilities , bug-fixing 07.2007 - 09.2007 Company: Insite Position: Software developer Functions:. Site rosbs.ru modification (ASP.NET, C#, MS SQL Server 2005), Created scenery for downloading data for electron catalogue od rosbs.ru (ASP.NET), Site development, creating membership providers, components development(ASP.NET, C#, Javascript, Oracle) 2005 - 2007 Company: South-Russian State University of Economics and Service Position: manager of IT department of Faculty of professional education Functions:. refactoring and support of existing software, managing of the team with 3 people Education 2001-2006 — South-Russian State University of Economics and Service (Faculty of radio and mechanics) Additional education Certificates: Certificate №29438 for program "JavaScript" 16.10.2007 - 16.10.2007 Link: http://www.intuit.ru/diploma/sn5CcNhnrlUm/P00029438/ Certificate №29172 for program "Introduction to C# 2.0 programming" 21.09.2007 - 09.10.2007 Link: http://www.intuit.ru/diploma/sn5CcNhnrlUm/P00029172/ Certificate №19758 for program "Introduction to JavaScript" 26.01.2007 - 05.02.2007 Link: http://www.intuit.ru/diploma/sn5CcNhnrlUm/P00019758/ Certificate №5001 for program "Introduction to HTML" 08.02.2005 - 18.02.2005 Link: http://www.intuit.ru/diploma/sn5CcNhnrlUm/P00005001/ Other Game in VK.com: Link: https://vk.com/app2895913 - "Magic Words" is a multiplayer classic game Scrabble, which can be played by 2 to 4 players, and apply different kinds of "magic." Level 21, 168 gaming tables of options, 5 kinds of magic, advanced artificial intelligence.

    $25.00 /hr
    106 hours
  2. Heather Smith, MBA, PMP, CSSGB

    Heather Smith, MBA, PMP, CSSGB

    SQL, SSRS, and Crystal Reports expert

    United States - Last active: 21 days ago - Tests: 2

    Certified PMP, certified Six Sigma Green Belt, and MBA with 8 years project management experience, 10 years Crystal Reports experience, and 3 years SSRS experience, primarily in the accounting, finance, collateral management, and loan servicing software sector.

    $35.00 /hr
    108 hours
  3. Arcadie Trebis

    Arcadie Trebis Agency Contractor

    JAVA (SE, EE) , Android, SQL Developer

    Moldova - Last active: 10/12/2012 - Tests: 2

    Over the last 5 years, I have developed a wide range of projects using JAVA SE, EE and SQL. I also have some experience in the following areas: OOP, UML, Database Modeling, XML, HTML, DHTML, SWING, JSF, JSP, EJB, MySQL, PostgreSQL, Tomcat, Struts, Hibernate, Spring, JBoss, Lucene, Crystal Reports, Jasper Reports, Feeds (RSS, RDF, Atom), XMPP (Smack API, OpenFire Server), Twitter API, LinkedIn API, Semantic WEB (OWL, Link Grammar (MorphAdorner), WordNet), Data mining..., Google Android

    Associated with: SOFTREACTOR LLC

    $15.56 /hr
    3,423 hours
  4. Gerti G.

    Gerti G.

    Certified Senior .NET / C# / SQL Server / Azure / JavaScript developer

    Italy - Last active: 1 day ago - Tests: 6

    3 months warranty for my work. Customer's success is my first priority. Maximum attention to detail and fully independent work. Available 7 days per week. I am a proactive Senior .NET/C# Web developer with 7+ years of experience in development of complex large-scale web applications and services: from Government Taxation Systems to Online Banking, e-Commerce and Aeronautics. I am Microsoft certified and have European Union BSc/MSc degrees in Computer Science. 1st in SQL and TOP 10% in C# and .NET on UpWork with more than 250 hours worked. Languages: C#, Java, PHP, Javascript Frameworks: ASP.NET MVC, WinForms, WebAPI, SignalR Javascript: jQuery, AngularJS HTML: HTML5, CSS, Twitter Bootstrap Data layer: MS SQL, SQLite, MySQL, ADO.NET, LINQ, Entity Framework, NHibernate Version Control: Git, SVN, Mercurial, TFS, VSOnline API: PayPal, Facebook, Twitter, Instagram, Foursquare, Groupon, Cloud: Azure, Amazon

    $33.33 /hr
    274 hours
  5. Naveen Peddi

    Naveen Peddi Agency Contractor

    Expert .NET | MVC | C# | ASP | JQuery | SQL Server | XML | WCF

    India - Last active: 1 month ago - Tests: 1

    I am working with ASP.net 3.5/4.0/4.5, MVC 3.0/4.0, JQuery Mobile, WCF, Web Services, Entity Framework, LINQ, XML, XSLT, XSD, AJAX, Classic ASP 3.0,JQuery,JavaScript, VB Script, DHTML, XML, SQL Server 2008/2010, ORACLE, Ms-access. I have more than 3 years of experience in this field. Skills: Primary : ASP.NET, VB.NET, MVC, C#, Web services, WCF, Entity Framework, ASP 3.0, VB 6.0, HTML/DHTML Secondary : AJAX, JQuery, XML, XSL JavaScript, MS-SQL/MS Access/Oracle, Crystal Reports

    Associated with: LA Net Team Software Solutions Pvt Ltd. Agency

    $22.00 /hr
    1,049 hours
  6. Gevorg Amirkhanyan

    Gevorg Amirkhanyan Agency Contractor

    Software Developer, C++, Oracle, MS SQL, Android, Delphi

    Armenia - Last active: 04/14/2011 - Tests: 6 - Portfolio: 1

    7 years of experience developing Client-Server applications. Deep knowledge of Oracle database (PL/SQL, SQL), C++ language and STL. Strong understanding of technologies such as OOP and OOAD. Extensive experience in developing stored procedures using Oracle PL/SQL and SQL tuning. Experience developing UI using C++ and Borland C++ Builder. Excellent communication skills. Quick self-start and self-going with team player attitude. Flexible, motivated and proactive.

    Associated with: Future Technologies

    $27.78 /hr
    90 hours