SQL Database Administrators & Developers

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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. Ismet Dumlupinar

    Ismet Dumlupinar

    MCITP (System Administration), MCT, MCSA, MCSD: Web Applications

    Turkey - Last active: 2 days ago - Tests: 14 - Portfolio: 13

    Experienced System Specialist, MCSA/MCITP/MCSD. In-depth knowledge of business operations and Information Tecnology Systems, project management, enterprise system integrations and information security with over eight years with hands on experience as an Enterprise Administrator and Network Manager in Windows Server 2003 & Windows Server 2008 environments. Experience in hardware and software virtualization using VMware and Hyper-V and App-V. Practiced understanding Active Directory, Group Policies, NPS, NAP, Exchange, SQL Server, Dynamics CRM, ERP, PKI and DFS. Experience as a corporate Microsoft/Certification trainer at one of gold certified partners of Microsoft. Proficent in Server 2012 and 2008 (inc.Server Core edition), Hyper-V, switches and many other technologies. I have been highly involved in server virtualization for seven years and am proficient in both VMware and Microsoft Hyper-V. I am also providing consulting services for web applications. I am a member of DotNetNuke Corp Internationalization Team and I'm working to expand product features to fully support Turkish localization. I am always looking for new opportunities to develop my skills. Check my Microsoft Profile below: https://www.mcpvirtualbusinesscard.com/VBCServer/idumlupinar/profile

    Groups: Microsoft Certified Professionals

    $75.00 /hr
    2,380 hours
    4.90
  2. Anatoly Alekseev

    Anatoly Alekseev

    Analyst and programmer

    Russia - Last active: 29 days ago - Tests: 47 - Portfolio: 7

    Expert in VBA/Excel/Visual Basic 6/SQL, interested in Cuda, Python. Have some C++ and ASM experience. I'll be glad to help with: Optimization and automating of business-processes. Developing of decision support systems, E-commerce systems, including data interchange between Ebay/Amazon/SmugMug/ custom CRM systems. Web scraping/crawling, automated retrieval of weakly-structured data. Implementing methods of artificial intelligence (expert systems, artificial neural networks, genetic algorithms),data mining. Natural language processing tasks (intellectual textual search, natural language generation, etc). Imitational modeling (especially financial models, gaming), prediction of complex systems. Distributed applications, high performance computing (scientific computations), cloud computing (Azure/Amazon). Software reverse engineering.

    $55.56 /hr
    15 hours
    4.99
  3. Oleg Batishchev

    Oleg Batishchev

    Magento Jedi / Senior Web Developer / Consultant

    Russia - Last active: 2 days ago - Tests: 6 - Portfolio: 9

    Hello dear customer, Yes, I'm not wrong, cause after read that you will wanna to hire me ;) Well, now seriously ... I am a highly experienced web developer who has primary direction of activities in e-Commerce web-developing, in that case it's a Magento area. I'am an adept of Magento and if you don't know what is it and you wanna e-commerce site you have to contact with and I will explain how is Magento awesome. I have 3 years experience in Magento and 9 years total in PHP developing with an MVC, different CMS (Wordpress), frameworks (Yii, Zend) and other. I always stick to the coding standards and follow the best practices to provide seamless, readable and reliable code. Besides developing I have some administration skills to manage servers, automate routines and can improve performance of Magento backend and frontend as well. Also I can setup the server from a scratch. I prefer a stack for Magento consists of: Nginx, Php-Fpm, Redis, Apc, Mysql 5.5 (5.6) (Percona better), SOLR/Lucene/Sphinx. I prefer do not install any control panels but if required I would prefer ISP Manager 5 Lite. Magento related Experience and Services - Optimization, load improvements, speed up - Extension development and customization - Troubleshooting - Tweaks & tricks - Bulk importing. Do you have 100k products? It's not a problem - Store migration - AWS, Rackspace building an architecture of you infrastructure - Core upgrade - Magento recurring support - Bug/error fixing - Theme design and customization - Consultation - Code review I also have some basic skills in the desktop programming (C#) and some Photoshop skills. I'll be glad to new acquaintances and long-term cooperation. I have a team of developers and every day we are expanding. Just hard to write all things what I can do. I am easy learnable for new stuff (frameworks, custom systems, foreign code). My strong side is a backend developing and have a good knowledge of a frontend side: - HTML5/CSS3 - Bootstrap - jQuery - Ajax - WebSockets, Long polling - Prototype - ExtJS - Google API, Yandex API - many other things that I can't remember at this moment. Also in a less degree Angular, Backbone and other frameworks/libs. Communication Channel : Skype/Whatsapp/Email/Phone I have listed only a little part of my portfolio cause I have many jobs completed and I can't add every job to profile.

    $45.00 /hr
    1,164 hours
    4.98
  4. Daniel Z.

    Daniel Z.

    Highly skilled API integrator, PHP (ZF) Coder and Project Manager

    Poland - Last active: 1 day ago - Tests: 7 - Portfolio: 6

    Goal: Project and develop high quality apps for your success. Profile: OOPHP & Zend coding, IT consulting and business analyst, project coordinator and manager, Other skills: Apache, Bind, SSH, bashscripting, Memcached, Github, Solaris, Oracle, MySQL, Radius, AD, expert knowlegde of many *ux and windows systems Advantage: Project and implementation of many web apps. Most of it projected and developed by myself using Zend Framework, Google API (youtube, gdata), social API (twitter, facebook). Some of it integrated with operating systems or AAA software (radius, ldap). Usually Design Patterns were used (like Template Method, Version of Control, DAO, Dependency Injection, Decorator and so on). Some application built upon a structure of web services (XML, REST, JSON), some using jQuery and AJAX. Tools and technologies: Apache, radius, bind, ldap, Zend Framework, XML, SOAP, Linux, Linux daemons, Memcached, Sockets, REST, JSON, Oracle, MSSQL, MySQL, Design patterns, MVC, SVN, BASH, PHPUnit, Xdebug, Unit testing, Google Youtube API, Google Gdata API, Google Maps API, Facebook API, PayU API

    $35.00 /hr
    1,685 hours
    4.98
  5. George Mamacos

    George Mamacos

    SAP Business One ERP Manufacturing and Projects Expert

    South Africa - Last active: 1 day ago - Tests: 2 - Portfolio: 1

    I have 15+ years in ERP ( 7 years in Syspro, 7 years in SAP Business One) as a manufacturing and projects expert. Lead/Principal consultant role level in ERP implementations and report writing (Crystal Reports, SQL). I have worked in retail, distribution, manufacturing and project based companies and have delivered solutions to complex problems requiring very deep technical and high-level consulting skills.

    $85.00 /hr
    345 hours
    5.00
  6. Matt T.

    Matt T.

    Business Intelligence Developer

    United Kingdom - Last active: 12 days ago - Tests: 3

    An experienced and highly motivated Business Intelligence Developer with a proven track record of delivering projects on time and in budget. I have a wide range of experience of using the MS BI Stack (SSIS, SSAS and SSRS) including design, development and implementation. My attention to detail ensures solutions are accurate and provide valuable insights in the decision making process. Major Achievements: 1. Designed and implemented a BIML-driven Data Warehouse using SSIS and SQL 2012. This included a front-end made up of SSAS cubes, SSRS reports and data delivered via MS Excel. 2. Designed and implemented a BIML-driven data migration project using SSIS and SQL 2012. 3. Designed and implemented a payment processing solution that processed over £10m of payments a month from 4 separate systems using SSIS and SQL 2012. 4. Implemented a number of Data Warehouse solutions using the Kimball Methodology. 5. Successfully created credit scorecards using SAS, which increased sales capacity by 200%. 6. Designed and developed a number of CRM solutions for clients for company's in the Pharmaceutical and Pension fields.

    $55.56 /hr
    613 hours
    5.00
  7. Charles A.

    Charles A.

    Software developer and financial analyst, SQL, MATLAB, Excel

    United States - Last active: 1 month ago - Tests: 3

    I am a software developer and financial analyst, former CFA. I am well versed with SQL, MATLAB, Excel/VBA development, having spend the past six years doing this work at a major asset management company in New York. I was the lead developer in building an in-house proprietary research and portfolio management system to manage $30B of client assets using novel tactical asset management techniques. I also have general experience using other technologies including C#, HTML/CSS, javascript, node.js and python.

    $48.89 /hr
    0 hours
    5.00
  8. Sergio A.

    Sergio A. Agency Contractor

    Agile Project Management and Software Development

    Spain - Last active: 22 days ago - Tests: 18 - Portfolio: 1

    Important: although I'm new to oDesk.com, I have been working on other freelance sites since 2005. I have one of the most outstanding profiles in another very popular freelance site, with more than 300 projects successfully completed, I can show it by request. You can also check my professional blog at: http://softwareandoutsourcing.wordpress.com/ ---- My name is Sergio and I specialize in providing quality custom software solutions while offering competitive costs and timing. My other freelance sites track record (can show on request), along with positive feedback from clients I’ve served, are proof that my qualifications and strong commitment to excellence make me an ideal choice for your next project. I have been working at freelance sites since 2005 and currently I lead a team of programmers and designers from Spain and other places in the world. For managing projects I use agile software development methodologies (Scrum, XP…), which I consider the most efficient way to manage a project via the internet. I also consider myself a knowledgeable and efficient programmer, so I can evaluate team members’ performance and help guide them. In the last 6 years I have learned a lot about how to make a project successful when working with people who lives thousands of miles away and I consider oDesk.com a great opportunity to develop professionally and offer new and more complete services. Kind regards, Sergio. ----- Areas Of Expertise: - Agile software development. Design and project management. I can both lead an existing team or build a new one (with local or remote coders) if needed. - Java/J2EE/J2ME. Highly skilled in distributed computing and web services. JSP, Servlets. GUI design. JDBC. SAX, DOM, JDOM. SOAP (Axis). Netbeans, Eclipse and JBuilder IDEs. Bytecode analysis. Entreprise Java Beans (EJB). - Data extraction and analysis. Crawlers, custom search and metasearch engines. Advanced signal procesing, data analysis and statistical decision support programming. - Networking: design, testing, programming, analysis, and simulation. Advanced Routing (RIP, OSPF, BGP). SNMP management. - Databases: Oracle, MySQL, PostgreSQL, MS SQL, Access. Design, programming and administration. - (Technical) Translation: English <-> Spanish (Spain). Professional, accurate and human-made translation. - Linux (Debian, Red Hat, Fedora, CentOS, Ubuntu, SUSE...) administration. Bash scripting. Xen and VMware server virtualization. - Web-related technologies: HTML, XHTML, CSS, XML, DTD, Schema, XPath, XSLT, XQuery, JavaScript, AJAX. Experience in W3C standards Validation. - Low level programming with x86 and ARM7 (Philips LPC2000 family and similar) assembly and c. Keil development tools. Embedded systems design. - Other programming languages: C, C#, Matlab. ----- Resume: Objectives - Establish myself as an entrepreneur in the software and communications industry by focusing on top-notch quality and service. Highlights of qualifications - Deep knowledge of the internet structure and associated protocols. Several complex projects (dynamic web servers, instant messaging platform...) as work at various local enterprises. Education - Master of Engineering in Telecommunications with specialization in Telematics (Computing applied to Internet and Networks) and intensification in Project Management, Software Engineering and Agile Programming Methodologies (2007). - Network Programming Diploma (J2EE, 300 hours, INEM 2001). - Multimedia Diploma (Audio and Video edition, 200 hours, INEM 2001). Languages - Spanish: native. - English: advanced. Cambridge First Certificate. Skills - Programming: Java/J2EE/J2ME (specialized in distributed computing), C (network programming under Linux/Solaris), bash, assembly, oTcl. - Networking: Network design, analysis, simulation (ns2) and implementation. Protocols: TCP/IP model, OSI model, ATM, FR, GSM, UMTS, HTTP, FTP, POP3, RIP, BGP, OSPF IPv6, SNMP... - Operating systems: Linux (Debian, advanced, administration and programming), Solaris, MS Windows. - Edition: OpenOffice, MS Office, html... Work experience - July 2005 - now. Freelance coder. More than 500 projects successfully completed. - June 2004 - July 2007. Technical helpdesk at local TV station (half time). - March 2000 - June 2004. Network maintenance at several local enterprises as freelance. Others - Currently I have a 20 Mbps 24/7 ADSL2+ connection to the internet. ------ Some search keywords: netvibes, crawler, crawl, crawling, mining, scrape, scraping, automated data entry, lucene, nutch, solr, sphider, custom search engine, metasearch, ebay, jabber, paypal, wikipedia, mediawiki, jquery, prototype, prototypejs, cakephp, CRUD, SBML, ANSI ASC X12, jpcap, jnetpcap, datatables, forex, twilio.

    Associated with: Software and Outsourcing Agency

    $35.00 /hr
    44 hours
    4.92
  9. Bill Reynolds

    Bill Reynolds

    INVESTMENT WRITING AND ANALYSIS, EQUITIES/STOCKS AND PRECIOUS METALS

    United States - Last active: 10/18/2013 - Tests: 2

    A creative, loyal, hard-working manager with over twenty years of exemplary performance in the retail, manufacturing and distribution sectors. Sucess has been achieved through dedication and loyalty to each employer with steady personal growth in each position as a common denominator. Have usually had the opporunity of defining my position within the company and with a statistics background have brought a new dimension to corporate finances.

    $33.33 /hr
    1,559 hours
    5.00
  10. Alexander L.

    Alexander L.

    Full Stack Developer/CTO

    United States - Last active: 11/07/2014 - Tests: 6

    * More than 5 years' experience providing IT consulting services to major insurance and financial companies, developing large enterprise applications. * Great experience managing cross functional teams from varying countries around the world * Outstanding skills working with external customers and outsource teams I am looking for a position in product management with a focus on product development and team leadership. Preferably in a high paced startup.

    $100.00 /hr
    5,193 hours
    5.00