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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. Ramratan K.

    Ramratan K.

    Talented .Net - SQL developer

    India - Last active: 3 days ago - Tests: 4 - Portfolio: 9

    I have an immense experience of .Net with C# along with SQL as backend. I have developed various sites of various domain i.e. export house, finance, retail, etc. My main area of experience has been in asp.net with c#, Entity framework, wcf, NHibernet ,etc. - Websites Development, Web Portals developement, Intranets site development - Bootstrap based Site development - SQL based solution Simplified and Elegant easy to use interfaces. Ensuring Quality, Performance and Reliability. Programs: Asp.Net , MVC, NHibernet, BootStrap, Entity Framework, Crystal Report in Visual Studio, SQL Languages: HTML, XHTML, CSS,, HTML5, CSS3, Javascript/Jquery, C#. Web Development Services - Web Development - UI Development - CSS Development/ Fixing - Bootstrap based site development - Responsive web development

    $11.00 /hr
    0 hours
    0.00
  2. Serhiy H.

    Serhiy H.

    Drupal/PHP/SQL developer

    Ukraine - Last active: 8 days ago - Tests: 5 - Portfolio: 4

    About 6 years of experience with Drupal, Drupal module development, Drupal customization, Drupal maintenance, Drupal themes, and Drupal Optimization. Just do it ... on Drupal :)

    $25.00 /hr
    567 hours
    5.00
  3. John Woo

    John Woo

    Microsoft .Net/SQL Developer using SQL Server and MySQL

    Philippines - Last active: 11/05/2014 - Tests: 5

    • Known for excellent troubleshooting skills – able to analyze code and engineer well-researched, cost-effective and responsive solutions. • Expert in advanced development methodologies, tools and processes contributing to the design and rollout of cutting-edge software applications. • Able to incorporate user needs into cost-effective, secure and user-friendly solutions known for scalability and durability. • Has advance knowledge with MVVM Pattern, Dependency Injection. • Experienced in developing server-side database management system (DBMS) application. Skilled in dimensional modeling, database informatics, SQL Server, MySQL. • A logical, analytical thinker with excellent managerial skills possesses 3+ experience as Database Developer. • Extensive experience in writing stored procedures, functions and views, database query tuning and optimization. • Extensive experience in writing and tuning complex sub queries, SQL, PL/SQL stored procedures, functions, and triggers.

    $25.50 /hr
    21 hours
    5.00
  4. Denis Yatsenko

    Denis Yatsenko

    Oracle Advanced PL/SQL Developer Certified, OEBS,SQL, APEX,

    Poland - Last active: 2 months ago - Tests: 5 - Portfolio: 1

    Oracle PL/SQL Oracle E-Business Suite R11, R12 development & implementation Oracle application framework (OAF) Java, JDeveloper Oracle Reports, Oracle Forms (creating and customization) Oracle workflow builder BI Publisher sh scripts BI Business Objects StimulSoft Data conversion Oracle application express (APEX) VBA sqlloader, SQL TOAD, SVN, redmine, jira

    $33.33 /hr
    69 hours
    5.00
  5. Ievgen Bulgakov

    Ievgen Bulgakov

    Developer, TL: Delphi, SQL, C++

    Russia - Last active: 1 day ago - Tests: 3 - Portfolio: 2

    Over 16 years, I develop applications using different languages (Basic, C, Pascal, Forth, Assembler) and technologies. Last 8 years mainly use OOP - Delphi and Unify Team Developer (with different versions of SQL). Design and implement "internal" (DB structure, intermodules interfaces etc.) and "external" (GUI, reports) parts. I also have some experience with C++, UML and theoretical knowledge about Java.

    $44.44 /hr
    8,124 hours
    4.96
  6. Krastyo K.

    Krastyo K.

    Java/SQL/C++/C# Developer

    Bulgaria - Last active: 1 day ago - Tests: 2

    I have more than 15 years experience of Web and Desktop programming, using variety of technologies - web programming using Java or ASP.NET, JQuery, Ajax, HTML, CSS; SQL databases; different tools, services and applications with C++/C#. During my work carrier I have been involved in many projects, focused in various fields of interests - database driven web sites and applications, Windows desktop applications, CAD/CAM systems, MS-Office automation applications, device control systems, large database support applications.

    $20.00 /hr
    1,339 hours
    5.00
  7. Petr Hajic

    Petr Hajic

    Database specialist, Oracle, SQL, DML, PL/SQL, JAVA

    Czech Republic - Last active: 1 month ago - Tests: 8 - Portfolio: 7

    Most my productive age I work in IT as either a programmer or programmer - analyst . In addition, I carry out about activities as well as a front-end developer and Oracle database administrator. I have experience with Open Souce and JAVA or in combination with previous skills.

    $22.22 /hr
    0 hours
    5.00
  8. Alexey P.

    Alexey P.

    Java/Android/SQL/Web Developer

    Russia - Last active: 12/20/2014 - Tests: 3 - Portfolio: 3

    During last three years I develop enterprise web-application using JavaEE technologies. Working on projects, commonly I have used products of IBM (WebSphere AS, WebSphere MQ, IBM DB2), but I have an experience with Tomcat as application server and Oracle and Firebird as a RDBMS. Also, I have a lot of practice using Delphi as a tool for developing of Windows applications as rich client for databases and user interfaces for electronic equipment. I am looking for an opportunity to develop a web-based software in conjunction with mobile applications and databases.

    $10.00 /hr
    0 hours
    5.00
  9. Sergey P.

    Sergey P.

    .Net Developer | C# | WPF| SQL

    Russia - Last active: 28 days ago - Tests: 4 - Portfolio: 1

    Greetings! Since you are reading this, you might be considering hiring me, so let me tell you a little about myself to ease your choice. First thing you need to know is that I have a strong background in math and engineering fields and have received Master of Science diploma. Secondly, I tend to solve objectives in the best way possible, meanwhile considering deadlines and other demands. Its a pleasure for me to be high valued as a specialist. Thirdly, I have been developing software since I was a child and this is my passion, not just the way to pay the bills. Now a few words about technologies: I have 4-year experience in .Net and vast knowledge of many technologies. My favorite tools remain to be C#, WPF and SQL. Other technologies, I'm familiar with are: WinForms, Silverlight, JavaScript, HTML, CSS, ASP.Net MVC, DevExpess, Telerik, Entity Framework. Thank you for your time. I'm looking forward to hearing from you.

    $15.56 /hr
    0 hours
    0.00
  10. Ivan N.

    Ivan N.

    SAP-ABAP, C#, SQL Developer

    Moldova - Last active: 4 days 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
    3 hours
    0.00