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, 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
Clear all filters
  1. Andriy M.

    Andriy M.

    Web Developer / Programmer / Wikipedia expert

    Ukraine - Last active: 1 day ago - Portfolio: 8

    I'm a programmer and Wikipedia expert. I create websites and develop software with Python/PHP/C. In love with sophisticated algorithms and problem solving. I have a degree in computer science (with emphasis on applied math), and I successfully completed one year of masters program in economics. I edit Wikipedia in my spare time as a long-standing hobby (10+ years), but I do paid consulting and article writing as well. Will be glad to help with your issues on this! Graphic design tasks can be done by my good friend. And he is great!

    $15.00 /hr
    1,029 hours
    4.94
  2. Ahmed S.

    Ahmed S. Agency Contractor

    Software Programmer

    Egypt - Last active: 1 month ago - Tests: 1 - Portfolio: 8

    Over than 7 years of experiences of developing .NET Applications. My Name is Ahmed I'm a Software Programmer. I think that I'm talent with Developing and analyzing applications. I had started developing desktop applications since 2005. I had started with VB. Then, I had updated my skills to work with Microsoft .NET Framework Technologies. Now, I'm working with MS Visual Studio 2012 and 2012 (C# and VB). Here are Skills that I'm working with: C# VB.NET ASP.NET T-SQL SQL Server 2000, 2005, 2008 and 2012 MS Access HTML JS

    Associated with: a2z solutions

    $12.00 /hr
    0 hours
    5.00
  3. Dorin M.

    Dorin M.

    System Engineer, Jasper/BIRT Reports Developer

    Romania - Last active: 22 days ago - Tests: 2 - Portfolio: 1

    System Engineer with experience on BI and reporting using Jasper Reports, BIRT for a wide range of business critical software applications: ERP, WMS, TMS, LMS, DMS. Experience in following areas and technologies: SQL, Linux, Windows Server, PHP, Java, MySQL, Oracle Database, Apache Tomcat, Jasper Server, BIRT.

    $20.00 /hr
    335 hours
    4.84
  4. Alex Efros

    Alex Efros

    Perl Developer, Systems Architect, Linux Admin

    Ukraine - Last active: 01/22/2014 - Tests: 9 - Portfolio: 15

    Experienced in developing distributed systems, network services and backends for websites in Perl. I can develop complete website solution from Linux server installation and administration to complex modern web-interface in JavaScript (except graphical design). I'm developing software since 1989. I work as Perl/Web Developer since 1997. Development priorities: code simplicity and clarity, reliability, security, efficiency. I've experience with Apache and Nginx web servers, MySQL and NoSQL databases, Mojolicious and Backbone.js frameworks, Perl/HTML/JavaScript/CSS, FastCGI, non-blocking I/O, event-oriented and concurrent programming, complex parsing (fetching, parsing and processing complex data from thousands pages on hundreds websites every minute), service-oriented architecture, distributed computing, developing Perl modules, automated testing, … I work as Linux admin since 1994. Experienced in developing own Linux distribution from scratch (2001-2004). I've strong focus on security and since 2004 use Hardened Gentoo Linux. Experienced in developing large systems (50000+ man/hours) as Systems Architect and Senior Developer. Experienced Team Leader and Manager for small team (about 10 developers/testers). Also I'm author of many articles (mostly in Russian) and have small experience (about 6 months) as Top Manager in software company (about 200 employee). Since 2001 I'm working as full-time freelancer. I never agree to work which must be done quickly in exchange for quality. I like to do things in the Right Way and prefer simplicity and minimalism. I'm interested in tasks which should be implemented using OS Inferno and language Limbo (which usually mean distributed and/or highly concurrent systems). I'm looking for long-term business relationships with customers. More details (a lot of my open source software, perl modules, articles, links to LinkedIn/GitHub/etc. profiles) available on my website: http://powerman.name/

    $30.00 /hr
    0 hours
    5.00
  5. Viktor Bardakov

    Viktor Bardakov

    Developer \ Translator

    Russia - Last active: 4 days ago - Tests: 5 - Portfolio: 1

    Translator: English - Russian translation Database developer: Oracle, MS SQL, MySQL, PostgreSQL. Strong experience with base objects (triggers, procs, etc), database design (ER diagrams, normalization), performance tuning C# developer: Worked with ASP.NET, win\web forms, Ration Rose models, version control systems

    $16.67 /hr
    1 hours
    5.00
  6. Diana Moldovan

    TSQL programming, MS SQL Server DBA, ADO .NET2, C#, AspDotNetStorefron

    Romania - Last active: 2 days ago - Tests: 1

    My goal is to provide to my customers the right solution, according to their requirements, upon the timeframe agreed, for an affordable price. In order to reach it, I strive to always keep my knowledge up to date.My 7+ years experience includes: - working with MS SQL Server 2000, 2005, 2008, 2012 as both database developer and DBA - TSQL programming, performance tuning, ongoing database maintenance and administration, MS SQL Server installation and upgrade, ETL with SSIS, bcp and TSQL scripts - programming database centric applications with ADO .NET 2 using C# and VB .NET - writing articles for www.mssqltips.com. Please see my profile at http://www.mssqltips.com/author.asp?authorid=59 - working with the AspDotNetStorefront shopping cart (http://www.aspdotnetstorefront.com/). I'm doing new ASPDNSF sites setup and configuration, custom data import / export procedures and data management, integration with tracking tools such as Google Analytics and ClearSaleing, custom programming (XML packages, C#/VB .NET code).

    Groups: AspDotNetStorefront

    $11.11 /hr
    2,698 hours
    4.97
  7. Alexis Baroody

    Alexis Baroody

    Programmer

    United States - Last active: 5 days ago

    • Been professionally programming for 11 years • Experience with C/C++, Java, Javascript, Ruby, SQL • Managed and programmed projects that included building games, research, data collection • Rubymotion and iOS development expertise • Worked on Rails and Javascript web projects • Published iOS apps including the game Meteor Mishap (itunes.apple.com/app/id993002012)

    $45.00 /hr
    54 hours
    0.00
  8. Denis C.

    Denis C.

    Expert System Engineer

    Moldova - Last active: 1 month ago - Tests: 9

    PROFILE – A self-motivated and committed system administrator with exposure to a wide range of technical areas, focused on delivering best experience to the end-users – Nine years of experience in administering business–critical application stacks such as banking software, middle-ware, billing systems, Telecom-specific applications; troubleshooting complex issues, managing both production environments and databases of highly respected companies – Performed upgrades planning, software developing and documenting the knowledge – Highly adaptable and quick to learn new skills – Six years of customer service experience MAIN TECHNICAL SKILLS O/S: HP-UX, SunOS, AIX, RedHat, CentOS, Debian – installation/configuration Software: MySql Server – installation/configuration Apache Web Server – installation/configuration Nginx – installation/configuration Apache Tomcat – installation/configuration Redhat JBoss Application Server – maintenance Oracle WebLogic Application Server – maintenance Oracle Tuxedo – maintenance Oracle Database – maintenance CVS – codebase maintenance HP Quality Centre – configuration/maintenance SSH Server – installation/configuration Telecom–specific Billing Applications (Amdocs Ensemble, Oracle BRM) – maintenance Oracle VM VirtualBox – installation/configuration Languages: Python – 1.5 years Perl – 3 years AWK – 4 years Shell Scripting – 5 years SQL (mysql and Oracle) – 4 years Java – 0.5 years PROFESSIONAL EXPERIENCE – Billing System Engineer, Team Lead (3 persons in submission): 2010 - 2013 – Software Developer: 2008 – 2010 – Senior System Engineer: 2003 – 2008

    $16.67 /hr
    0 hours
    0.00
  9. David Föllenz

    David Föllenz

    Software-Engineer

    Germany - Last active: 1 month ago - Tests: 6

    Software development is a personal and professional passion to me. As ex-member of the Microsoft Student Partner program I started to focus especially on Microsoft-related technologies like: - Desktop applications (WPF, Windows Forms), - Web applications (ASP WebForms, MVC4) - Mobile applications (Windows Apps, Windows Phone Apps) - Collaborative Software (MS SharePoint) I'm now working as freelancer since 2014 and offer my knowledge and performance to companies in all over the world, working as remote developer from my home office. Next to my work as programmer i am also disposed to help my clients in the following areas: - Consulting about the right choice of software architectures, - Writing of an requirements analysis, - Developer documentation, - Conception and detailed spezification of a software solution, - Project Management, - Software-Support und Maintenance. In every single project I'm seeing my personal opportunity to grow as freelancer and start my own business as software provider. Without doubts making business contacts is very important to achieve future projects from my clients. That's why a big part of my attention is dedicated to the quality assurance and testing of software.

    $33.33 /hr
    0 hours
    0.00
  10. Theo Filippidis

    Theo Filippidis

    Principal Oracle Consultant

    Ireland - Last active: 2 months ago - Tests: 3

    Track record of success leading the design and development of high-performance, enterprise-level Oracle solutions. Subject-matter authority offering ten years of success defining, designing, constructing, supporting, and enhancing properly engineered major systems for high-profile clients. “Big picture” planner instrumental in guiding the direction of future initiatives that raise the bar for performance across the industry. Demonstrated ability to establish development standards and methods result in quantitative improvements to product quality and process efficiency. Well-earned reputation for resolving complex problems that potentially jeopardized project success. Guaranteed product performance, security, and data integrity prior to turnover. Earned a reputation for professional excellence by delivering high-performance solutions on time and within budget projections.

    $60.00 /hr
    126 hours
    3.01