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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, 369 SQL projects are completed every quarter on Upwork.

369

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: September 1, 2015
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  1. Kimberly Roeder

    Kimberly Roeder

    Full-Stack Developer + UX Strategist

    United States

    From the MEAN Stack to Ruby on Rails, I am a full-stack web and user experience developer who loves to solve problems and create elegant solutions. With a M.S. in IT from the University of Tennessee with a Minor in Computational Science, I also have experience from a three-month web development immersive program at General Assembly. Presently working as a successful freelancer and a Ph.D. student at Stanford University. Prior to this role, I was Director of Communications and Digital Strategy at the University of Tennessee. I look forward to working with you!

    $40.00 /hr
    0 hours
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  2. Yevhen Anufriiev

    Yevhen Anufriiev

    Tech Team Lead

    Ukraine

    Data Warehousing Team Lead Highlights of my professional career include: - 12 years of experience in software development - Direct leadership of up to 6 person teams, including technical and personal development - Strong Experience in data modelling and developing for DW and OLTP on Oracle and IBM PureData (Netezza) for Banking and Retail. - Proven track record of successful project management - Hands on experience in Client Communication, end user training -------------- Led a number of successful development projects of a 48TB data warehouse for a major retailer. Applied and evolved an Agile SDLC for rapid, accurate delivery of client requirements Acted as Scrum Master on client calls, ensuring a smooth communication flow with the client Gained strong experience in Dimensional (Ralph Kimball) methodology. Designed Marketing subject area; contributed to evolution of Retail and Clickstream warehouse and mart models. Directly managed a team of up to 6 people. Coached and groomed a successor for myself. As a technical leader, performed a range of tasks from technical design to code reviews. Gained an expert understanding of Netezza platform, achieved a Developer certification. Devised and executed training classes on MPP query optimization, other best practices. Designed and developed an ETL flow around IBM DataStage, decreasing update cycle by 40%. Designed and oversaw development of a regression test environment for the DW implementation, enabling a successful iterative delivery model. Organized and delivered client-facing multiple training session ----- Successfully worked with clients from top of 20 Ukrainian Banks several projects resulted in the brand new products in Banking Acted on different positions in projects: Investigated business flow and collected requirements as a business analyst. Created requirement specification and decomposed requirement specification into tasks for developers. Planned projects and oversaw Led team to successful product delivery to clients Acted as experienced Oracle PLSQL and Delphi developer Successfully supported clients remotely and on-site. Long and short term onsite works for application maintaining, end users training and support. Gained experience of working on different positions in Bank. Modeled data for Banking, implemented design and business logic. Designed database structure, created database objects and wrote of server-side PLSQL-code and SQL-queries for OLTP systems on Oracle Databases. Successfully solved performance problems by query performance analyzing and optimization. Developed front-end parts using Delphi 7 Successfully designed architecture of GL-data (General Ledger data) migration engine from one bank branch into another and implemented it in PLSQL. This let to optimize clients business and increase revenue by collecting separated GL-data into one database. It was used by more than 10 clients to rollup branch network or to transfer data for analytics into DWH Led development of “Client Service Wizard” subsystem. Its purpose was to optimize and speed-up client service in banks. It was used by more than 5 clients(banks with branch network) “Exchange Monitor” application – automated data input\output in different formats into\out of ABS (Automated Banking System). It used more than 20 clients for loading data in and unloading data out of the database. Specific testing framework for testing PLSQL core of the financial statements (reports) of the Bank. These reports were highly important and were sent to National Bank on daily bases. Failure in report results in fines and penalties. Developed custom process on PLSQL and Java to transfer and load data from several branches into Data Warehouse built on Oracle RDBMS. Developed procedures for data transformation and tracing data integrity. It was successfully used by client with more than 24 branches all over the country. Collected requirements, investigated workflow, modeled data, managed project, led development and developed of LegalDB module: automating legal cases management, handling dispute resolution and claims, resource management for the Legal Department of the Bank. Led team of the UI and Oracle developers, acted as Project Manager, successfully delivered product which integrated processing centre and Bank Led and successfully delivered product for management, accounting of the cards in Bank

    $30.00 /hr
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  3. Rashmi Gautam

    Rashmi Gautam

    DWBI professional

    United States

    10 years of experience as Techno-Functional Analyst/Lead in Data Integration, Data Warehousing, Business Intelligence and Analytics technologies. ● Experience of managing the full implementation lifecycle(analyze, design, build, test, implement, support) for delivery of e nterprise level data warehouse/business intelligence system solutions. ● Excellent knowledge of Data modelling and ETL architecture. ● Experience with the design and development of data visualization solutions for reporting and analytics - using Microsoft Excel, BO and Tableau. ● Database development experience utilizing ETL tools-Informatica and Teradata ● Knowledge of Hadoop and Hive. ● Familiar with Python and R. ● Strong communication and interpersonal skills.

    $55.56 /hr
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  4. Manol Chochkov

    Manol Chochkov

    systems analyst

    Bulgaria - Tests: 5

    My reason for being here with you is that I have 5 years of experience as a systems analyst in the banking industry and I believe that my expertise and acquired skills might be useful to you. I am interested in writing both efficient and elegant code if possible - from developing database objects to programmatically controlling office documents.

    $20.00 /hr
    0 hours
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  5. Gary Zoll

    Gary Zoll

    Excel | SSRS Professional with Business School Background

    Germany - Tests: 1 - Portfolio: 3

    My Strength is Excel.. Maybe I'm even best Excel-er for a whole South Germany. Who knows... Also I'm a Reporting Rock-Star: from an ad-hoc Excel+VBA reports to Embed SSRS Reports with fashioned dashboards. My native language is SQL. Fluently I speak English, German and Russian. And official part (boring, but it is required): - HFU Business School MBA (spec. Management and Int'l Finance) - 7-year experience working as Business Analyst (Permanent Positions & Consulting, 5 Countries) | - Formal Reports | - Insights and Customer Data Mining | - KPI gathering and analyzing | - Forecasting and Modeling | - Training and Teaching - Have Microsoft Certificates: Excel, SQL, SSRS - Have a tons of References (could be provided on demand) Long-Term relationships costs cheaper (lower rate or options if start-up) So I'm newcomer here but Shark in the real world

    $11.11 /hr
    0 hours
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  6. Nazar Dub

    Nazar Dub

    Java developer

    Ukraine - Tests: 1

    I am developer, who has 4 year experience in programming, starting from C++ and Assembler, and now writing efficient and scalable web application on Java. I design back end on Java using Spring and Hibernate, and front end on JavaScript, using jQuery and BootStrap. But i'm open to use any other technologies. I look forward to hearing from you!

    $5.00 /hr
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  7. Augusta Arnold

    Augusta Arnold

    Experienced data analyst and transcriber

    United Kingdom - Tests: 6

    I am a data/information analyst with extensive experience in the NHS and local government, covering both statutory reporting (activity and financial) and ad hoc research. My key skill is the ability to communicate complex, numerical analysis to a non-technical audience such as senior management and medical consultants in easy-to-understand reports. I pride myself on accuracy, attention to detail, and awareness of data quality issues. I also have experience working with confidential information and understand the requirements of the Data Protection Act. As well as analysing existing data, I am also happy to be involved in data entry, questionnaire design and transcription work. My educational background is in Clinical Psychology (MSc) and Modern Languages (BA); these have been invaluable in enhancing my report-writing and research skills, as well as a solid background in medical terminology and statistics. I moved out of London to the south coast in 2012 and have since concentrated on silversmithing and freelance seamstress work.

    $31.11 /hr
    0 hours
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  8. Jonathan McClure

    Jonathan McClure

    Web Developer

    United States

    I have been working with PHP, JavaScript, HTML & CSS for the past 10 years. I have developed many websites from absolute scratch, E-Commerce and static sites. NodeJS is my most recent venture, I can automate pesky tasks quickly and even create executable web applications. During the day I am a Network Analyst for a print and mail-fulfillment company. I work with MsSQL, MySQL, Exchange, Server 2012/2008/2003, Apache, etc...

    $18.89 /hr
    0 hours
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  9. Vlad Anhelov

    Vlad Anhelov

    QA Engineer / Software Test Engineer

    Ukraine

    Knowledge of HTML,CSS, SQL Bug-tracking systems - JIRA Understanding project life cycle - QA process and QA documentation Writing test documentation Selenium Ide Linux Working with virtual machines (Virtual Box) Understanding of cross-browser (IE, Chrome, Firefox, Safari) Good level of English reading/writing/communication skills My TARGETS • Get the position QA Engineer; • Acquire new knowledge and experience; • Work in a team; • Career growth. My contacts: skype: dirty_larry_ email: crossfire@ua.fm

    $8.00 /hr
    0 hours
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  10. Dan Robilliard

    Dan Robilliard

    Data Specialist

    United Kingdom - Tests: 1

    Data Specialist with 12+ years in the data space, both designing and building data solutions. I primarily work with SQL, Progress 4GL and Python for extraction and analysis. I am a certified Pentaho Data Integrator consultant and have a wide range of Extract Transform and Load experience. I have good communication skills with a strong emphasis on design.

    $40.00 /hr
    0 hours
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