SQL Database Administrators & Developers

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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.

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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, 435 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 4.66.

Last updated: July 1, 2015
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  1. Gurjeet S.

    Gurjeet S.


    India - Last active: 8 days ago - Tests: 7 - Portfolio: 3

    Over 8 years of professional experience as Developer / Lead Developer in designing, development and Implementation of various web applications and client server applications using ASP.Net, C#, VB.Net, Web Services, Microsoft®.Net Framework (1.1, 2.0, 3.5, 4.0), Business Objects, HTML, DHTML, JavaScript, JQuery, XML/XSLT,PHP, Microsoft SQL Notification Services, Crystal Reports, User Controls, MS WEB PARTS, ASP, VB, ActiveX controls, SQL 2000/2005/2008 and MS Access. Extensive experience using C#, Win Forms, ASP.NET including Server Controls, Web Forms and XML Web services. A detailed and advanced hands-on experience with all .NET related topics. Experience in working with Microsoft® Visual Studio .NET (2003, 2005, 2008, 2010 and 2012), Visual Studio Team System, Microsoft Foundation Server, Visual Source Safe. Good understanding of Windows Communication Workflow, Windows Workflow, Windows Presentation Platform and LINQ. Extensive experience in object oriented programming and design. In-depth knowledge of UML diagrams to create Use cases, activity, logical and component diagrams to extract business process flow Experience in designing and developing web pages and catalog load processes dynamically using XML/XSLT Extensive experience in performing and directing software coding, testing, debugging and documentation. Domain knowledge in Financial, Banking,Shopping and Medical Systems. Over 3 years of experience analyzing business processes for developing applications and their functional requirements and technical specifications. Experience in all phases of software Solutions architectures for development/maintenance life cycles in client server environment. Excellent communication, interpersonal and leadership skills, self motivated and quick learner. Team player with excellent Analytic, programming and debugging skills.

    $11.11 /hr
    0 hours
  2. Mohshin A.

    Mohshin A.

    Microsoft certified SQL Database, .Net Developer, ICT Consultant

    Bangladesh - Last active: 25 days ago - Tests: 15

    I have 20+ years of expertise and experience on database design, development, networking, programming and administration. I have worked with languages and platforms like MS SQL Server, ASP.Net, Oracle, MySQL, PHP, VB, MS Acess, C++, Foxpro and many more. I have been an ICT Consultant since 2000 in government businesses (G2G, G2B, G2C) as well as general businesses (B2B, B2C), that includes software, hardware, networking and capacity building. I have also business skills specially on areas of marketing, business strategy, propsal writing and business development plan. I have expertise on any sort of technical documentation related with software development and marketing. I like challenges and complex problem solving.

    $10.00 /hr
    0 hours
  3. Vyacheslav Slinkin

    Vyacheslav Slinkin

    Developer (C/C++, HTML/XHTML, JavaScript, PHP, SQL, ActionScript 3.0)

    Russia - Last active: 1 month ago - Tests: 1 - Portfolio: 3

    The main dev language is PHP and C/C++. Have experience in developing big corporate systems as back-end developer and administrator and database designer. (PHP, SQL, MySQL) Level Created flash game - Beaver Golf. (Adobe Flash, ActionScript 3.0) Developing app web-constructor windows using goole native client technology. (C/C++, OpenGL, HTML, JavaScript) App is web project main functionality is implemented on language C/C++, rendering - OpenGL, interface - HTML, JavaScript.

    $10.00 /hr
    0 hours
  4. Razvan Dimitriu

    Razvan Dimitriu

    Perl programmer and sql developper with over 19 years experience

    Romania - Last active: 1 day ago

    IT professional with Over 19 years experience in Perl programming, sql development, sybase and mysql DBA and relational database management systems.Very good unix scripting. I've got an extensive investment and retail banking experience. Huge experience in financial industry Very good in implementing complex algorithms.Goal oriented. A lot of experience in using multiple data sources and creating complex statistics.

    $10.00 /hr
    0 hours
  5. Fabyo Tafarelo

    Fabyo Tafarelo

    Senior SQL Server and Oracle DBA / Blog writer

    Brazil - Last active: 6 days ago - Tests: 1 - Portfolio: 1

    Fabyo has been working as IT consultant for over than 10 years, being 8 years as DBA. He works with SQL Server as well as Oracle. Additional, extensive expertise in high available environments, supporting many companies as multinationals in several different business segments. Performing database administration, performance tuning, building and administrating windows clusters. Supporting and developing transformation ETL. Experience in application architecture/coding, legacy system integration and migration, documentation and training, support to development team, on-going support, project management and change management process. Administration of Oracle database 8i, 10g and 11g environments like tablespaces management, users, export/import and other. Have worked with AIX, Solaris, Linux, Oracle Applications, Windows Server, SQL Server 2000 and above.

    $25.00 /hr
    0 hours
  6. Trykov Pavel

    Trykov Pavel

    Rails, Ruby, SQL, Drupal, HTML5, CSS, JavaScript, Web development

    Russia - Last active: 1 month ago - Tests: 8 - Portfolio: 4

    developing my profile Over the last 2.5 years I am working with one of the biggest highload russian Ruby on Rails project. The stack is RoR, Postgres, Redis, Resque, Backbone, Haml. Before that I worked as a Drupal developer, so I also have some experience in the following areas: php, drupal, mysql

    $27.78 /hr
    0 hours
  7. Ritesh S.

    Ritesh S.

    Data Scientist, Qlikview, R , Shiny, SQL, Google APIs

    India - Last active: 1 month ago - Tests: 7 - Portfolio: 7

    Rich experience of more than 16 years. Currently working as a Data Scientist with skills on R Programming, Shiny apps, Hadoop, Qlikview, Tableau, VBA, SQL in the ecosystem. Have worked on Data Analysis projects such as Recruitment Analysis, Spend Analysis, Fraud Aalytics for telecom fraud and many more. I have designed a sentiment mining system which calculates the polarity of the sentiments and can be applied to a number of scenarios. I have completed a number of courses from coursera in the areas related to data science. Apart from above, I have exhausting experience in other language and tools, such as MySQL, .NET technologies, VBScript. Some of the examples of my work is available at the following URLs: 1. Predictive analysis with Machine learning: http://letslearn.ritsin.com/wp-content/uploads/2014/12/Sample.html 2. Shiny development with sentiment analysis. https://hnhenk10.shinyapps.io/sentiment-visualization-us-dataset/ 3. Tableau work: https://public.tableausoftware.com/profile/ritesh1710#!/vizhome/telematics/Story-I References of other examples are available in the profile. Hope to hear from you soon.

    $20.00 /hr
    5 hours
  8. Sadaf Malik

    Sadaf Malik

    Wordpress expert| PHP | C++ | C# | SQL | ASP.NET| HTML | Web Developer

    Pakistan - Last active: 8 days ago - Tests: 8 - Portfolio: 4

    I am passionate for software development and believe that "Passion is key to success". My priority is to work until user is satisfied. I live to program different codes in different languages. I guarantee to complete all projects accurately and on time. I am motivated, reliable, honest and follow directions well. I have experience in programming in C++, C#, Visual Basic, .Net, ASP, SQL, PHP, HTML. I would love to build projects from scratch to use the most modern recommended approach to achieve the results. I am available to accept challenges and do amazing stuff in Programming.

    $8.89 /hr
    0 hours
  9. Jemish G.

    Jemish G. Agency Contractor

    [Android | VB.net | Asp.net | SQL Server | C# | MVC | Entity Framwork]

    India - Last active: 4 days ago - Tests: 9 - Portfolio: 38

    I have more than 3+ years of experience, Technological background in most of the leading programming languages and technologies (Android, C#, ASP.NET, VB.NET, php, java) Always believing in Perfection. Android Skills: • Core Framework. • Coco2D Framework. • Plug Ins: Google Analytic Integration • Social Media Integration • Service Based Architecture Integration • Unity 3D • Library implementation • SQL Light Database Microsoft Specific Skills • .NET Framework 4.0, 3.5, 3.0, and 2.0 • Entity Framework. • C# and VB.NET • Windows Presentation Foundation (WPF) • Windows Communication Foundation (WCF) • LINQ • Windows Workflow Foundation (WWF) • ASP.NET 4.0, 3.5 and 2.0 • ASP.NET AJAX • Visual Studio 2010, 2008 • SQL Server 2008, 2005 Other Skills • XML • UML • JavaScript • Cascading Style Sheets (CSS) • JQuery NOTE: Most of my work is done for US based clients. I've added a few items to the portfolio, but please ask me about the other work which I can't showcase. While I'm often bound by NDA/Confidentiality agreements, I can explain more about my background in a general way than is illustrated publicly.

    Associated with: Wokontech IT Solution

    $12.00 /hr
    46 hours
  10. Ray gerard P.

    Ray gerard P.

    Software Engineer with C#, SQL and ASP.net experience

    Philippines - Last active: 10/26/2014 - Tests: 1 - Portfolio: 2

    Over the last 5 years, I have maintained a wide range of websites using C#, ASP.NET, VB, and SQL. My core competency lies in complete end to end management of a website development project, and I am seeking opportunities to maintain websites for you or your business. I also have some experience in the following areas: VBA, OOP, and software design and testing.

    $11.00 /hr
    16 hours