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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. alexander Merkulov

    alexander Merkulov Agency Contractor

    Asterisk/voip/a2billing/freepbx/kamailio expert

    Ukraine - Last active: 4 days ago - Tests: 6 - Portfolio: 5

    My time is my value. So when you choosing me you can expect that job will be done in short terms and perfect. I not like to do something that not need be done, i prefer use developed components and solutions. That not mean i can't do development. I working with different programing tasks for last 26 years. yes, from 6 y.o. I live in it. So i prefer do something new&interesting; I can handle all tasks from linux administration/virtualization upto end-user web for voip. Only task i never do - graphical design part. That is not my field, better hire someone else for design. I have university degree, working with asterisk from start of this project. Have developing experience with freepbx/trixbox&a2billing. I am one of contributor of a2billing.org trunk. Also i can work as mysql/postgres DBA, database architect, has experience with following languages: Perl Python PHP C/C++ Javascript SQL Prolog/Lisp,Forth. In voip i can work with callweaver, asterisk, opensips, kamailio. Developed modules for freepbx, elastix, trixbox, a2billing.

    Associated with: UA Prime Agency

    $67.77 /hr
    545 hours
    4.97
  2. Alexander L.

    Alexander L.

    Java J2ee Master

    Ukraine - Last active: 11/27/2014 - Tests: 1 - Portfolio: 2

    With over 8 years of experience in IT, my goal is to build professional Java applications. My areas of expertise include a broad range of technical experience focused on software development and data design. In the last projects I've used Java-Swing, Applets, Java Processing 2.1, MT4j, JBoss 5.1, Oracle 9, YUI, Javascript, HTML, CSS, JDBC, EJB 2.1 and a lot of other libraries and technologies. Also I have some experience with Python.

    $150.00 /hr
    259 hours
    5.00
  3. Dorin M.

    Dorin M.

    System Engineer, Jasper/BIRT Reports Developer

    Romania - Last active: 20 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. Thanh Truong Ngoc

    Thanh Truong Ngoc

    voip, system, admin, django, bandwidth optimise

    Vietnam - Last active: 3 days ago - Portfolio: 16

    I have 6 years experience in system admin, deploy server, maintenance system base on: asterisk, voip, avaya, freeswitch, kamailio, opensip..... have developed some bandwidth optimise for VOIP system

    $13.00 /hr
    282 hours
    5.00
  5. Shareena Rasheedammal Fasaludin

    Software Engineer Java J2EE SQL Oracle Hibernate

    India - Last active: 07/08/2013 - Tests: 7 - Portfolio: 1

    Strategic, Sun certified Java professional with 3 years of extensive experience in functional and technical implementation. To be associated with a progressive organization, aspiring to take up challenging assignments to build my career aspirations and to involve as a part of the team that dynamically works towards the growth of the organization. Other than Java technology I also have some experience in the following areas: SQL software design and testing.

    $10.00 /hr
    586 hours
    5.00
  6. Saeed ahmed D.

    Saeed ahmed D.

    An Expert C++, Java, SQL, Unix Developer

    India - Last active: 6 days ago - Tests: 2

    To become an expert in cutting edge technologies by means of imparting and implementing them. An experienced Freelance Online Or On-site Developer which is quick learner looking For: 1> Application Designing, Developing, Code Review Jobs. 2> Tier-2, Tier-3 Support for Debugging and Maintaining of any C++, C#, Java, Unix based applications, could be any Products or Projects.

    $44.44 /hr
    0 hours
    0.00
  7. Facundo Apesteguia

    Facundo Apesteguia

    Technology Specialist

    Argentina - Last active: 9 days ago - Tests: 1

    I have been working on systems since 2003 when I get my first job as a technical support engineer. I have increased my knowledge in different areas and now I am acting as Project Manager because is in what I have passion.. I am a person who enjoys the challenges and bring new ideas to improve the companies in which I work. I have several skills in differents technologies, such as databases, code development and storage administration.

    $15.00 /hr
    0 hours
    0.00
  8. Roger Gartz

    Roger Gartz

    Business Intelligence Analyst with SAP BW experience

    Brazil - Last active: 2 days ago - Tests: 2

    BI Analyst/Architect with 6 years experience in SAP BW 3.x/7.x. Data modeling and development of InfoCubes, InfoObjetcs, DSO's, InfoSets, MultiProviders. Use of EDW architecture like LSA. Elaboration of generic Data Source SAP. ETL rules development in ABAP. Reporting with BEx, BO Web Intelligence, BO Dashboards, BO Analysis for OLAP and BO Explorer. Elaboration of functional specification. Process monitoring data load. Activation of BI Content and customization. Knowledge of PL / SQL.

    $20.00 /hr
    0 hours
    0.00
  9. Tvrtko Begovic

    Tvrtko Begovic

    Senior developer

    Croatia - Last active: 26 days ago - Tests: 3 - Portfolio: 7

    I am a senior developer with twenty years of programming experience mostly in Microsoft technologies (C, C++, .NET, C#, MS SQL, Sharepoint). Besides development, I've managed small projects, written functional and technical specifications and done customer interviews and support. I am interested in new technologies and platforms and ready to invest my time in learning.

    Groups: Microsoft Certified Professionals

    $16.67 /hr
    0 hours
    0.00
  10. 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