Top Upwork Freelancers

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  1. Tariq Tajuddin

    Tariq Tajuddin

    Business Intelligence Architect

    Pakistan - Last active: 17 hours ago - Tests: 7

    • Over Eight years of experience in the field of Information Technology, Project Management, System analysis and Design, Data warehousing, Business Intelligence, Software Development and Banking (domains include but not limited to Finance, Risk, Compliance, Information Technology, Human resources, Retail, Corporate, Treasury, Marketing, Operations). • Experienced in managing / executing projects related to Data Mining, OLAP, Predictive data modeling, Predictive Analysis, Customer Lifecycle management. • Experienced in managing / implementing large scale complex projects involving multiple stakeholders and leading and directing multiple project teams • Track record of delivering customer-focused, well-architected, quality products on time, while adapting to shifting and conflicting demands and priorities. • Experience in Data warehouse / Business Intelligence developments, implementation and operation setup • Expertise in Data warehouse Data Extraction, Data Integration, Data warehouse architectures, Transformation, and Loading (ETL), Database Administration, Master Data Management and Business Intelligence Dashboards. • Excellent track record in developing and maintaining enterprise wide web based systems and portals (Recruitment, Corporate intranet Portals, Enterprise wide solutions and Banking Systems)

    $38.89 /hr
    1,596 hours
    4.97
  2. Lorin Walker

    Lorin Walker

    Australian Xero Bookkeeper

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

    I graduated from Curtin University of Technology in Western Australia with a Bachelor of Commerce in Accounting & Taxation. I have 19 years experience in Accounting & Taxation in Australia. I have experience in all areas of Xero from creating files to complex invoices and debtor collection. I have an eye for professional work and strive to maintain high work standards with everything I do. I also love doing the mundane tasks others hate to do along with any reception/administration roles.

    $30.00 /hr
    1,305 hours
    4.79
  3. Nikola Henezi

    Nikola Henezi

    Croatia - Last active: 17 hours ago - Tests: 1 - Portfolio: 1

    I'm a sofware developer, computer scientist, and mathematician with years of experience in many programming languages and paradigms - a practical individual who prides himself on clear communication and efficient coding. If you are looking for a generalist with a experience in ton of technologies: * GNU/Linux - system administration and scripting tasks * Javascript - react.js, reflux angular.js, socket.io... * python - cherrypy, Django, Tornado, sqlAlchemy * SQL (MySqL, PostGres) and NoSQL (MongoDB, Redis) databases * Haskell - yesod * mathematics :)

    $39.78 /hr
    802 hours
    5.00
  4. Maciej Klepaczewski

    Maciej Klepaczewski

    Web Performance Optimization Engineer

    Poland - Last active: 17 hours ago - Tests: 2 - Portfolio: 1

    I specialize in Website Performance Optimization (WPO). In particular I do: * MySQL optimization, * PHP optimization, * HTML/JavaScript/CSS related optimizations. I can guarantee page loading times in range of 1-3 seconds or less. I also have experience in web scrapping and handling large amounts of data (where by big data I mean at least dozens of gigabytes). I have masters degree in Computer Science from Wroclaw Technical University. I'm experienced programmer with 15 years of experience (I coded my first software in high school).

    $80.00 /hr
    754 hours
    5.00
  5. Sviatoslav Bulbakha

    Sviatoslav Bulbakha

    Experienced Ruby, Python and Javascript developer

    Russia - Last active: 17 hours ago - Tests: 6 - Portfolio: 3

    Over the last 7 years, I have developed wide range of websites using Python/Django and Node.js/Express. Also I have 5 years experience in Ruby and very good front-end skills. My experience: * Back-end: ** Python (Django) - over 7 years ** Ruby (Rails) - over 5 years ** Node.js (Express.js) - over 4 years * Front-end - over 7 years: ** HTML (Jinja2, Jade) ** CSS (LESS, Stylus, SASS) ** JavaScript (jQuery, Backbone + Marionette) * Data crawling (Selenium/RegExp) - over 7 years I am also skilled in: * Git * Unit testing * Linux administration * RESTful API design

    $38.89 /hr
    160 hours
    5.00
  6. Matt T.

    Matt T.

    Business Intelligence Developer

    United Kingdom - Last active: 9 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.

    $75.00 /hr
    613 hours
    5.00
  7. Jerry Rd

    Jerry Rd

    Data Scientist/ DataMining Expert/ AlgorithmResearch&Implementation

    China - Last active: 7 days ago - Tests: 5

    I have a master degree of probability and statistics.. I am a R guru. I have 6+ years experience of using R/SAS for statistical analysis and data mining/machine learning. I love my work as statistical algorithm research and implementation. And I am a hard working people. I have done projects in several industries such as Web Research/ Web Application/ Marking/ Financial Strategy/ Medical/ Commercial/ Sports industry. Also I am familiar with C/Perl/Python/Mysql/PosegreSQL/Latex/Javascript. I like to solve problems for my client, please feel free to contact me if you are interested in my skill set. Look forward to hearing from you!

    $33.33 /hr
    379 hours
    4.99
  8. Artem S.

    Artem S.

    Ruby on Rails Fullstack Ninja

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

    Hello, and thanks for viewing my profile! I'm awesome web-developer, who can build you any product you want in any, ever almost impossible deadlines. I always do my best in learning new approaches to create a wonderful things, and do even more to deliver all this awesomeness into your product. My key – is caring about what I do and how I do. Send me a message and you'll never regret. I'll make you and your users happy. Knowledges: Ruby, Ruby on Rails 3/4 Angular.js HTML/HTML5/HAML/Jade/Slim/erb CSS/SCSS CoffeeScript/JavaScript node.js ActionScript 3 / Air (Adobe Flash technology stack) with cross-compile to mobile platforms (with starling) PaaS: AWS, Heroku, Nodejitsu. MySQL, PostgreSQL, sqlite3. mongoDB, redis, memcached. TDD/BDD – RSpec, Capybara, jasmine SVN, Git. Twitter Bootstrap, socket.io, jQuery, sugar.js, underscore and dozen of other popular libraries. Experienced with building RESTful API. Experienced with a highload. Background jobs with existed solutions (resque, delayed jobs, etc) and just pure Rake & Cake tasks for automating processes. oAuth with popular social networks (Facebook, Twitter, Vkontakte). Used to work with Wowza Media Server (live video streaming), with writing plugins to it. ... and even more. If you are still in doubt – just contact me and I tell you how exactly I build what you want. Thanks for viewing my profile!

    $45.00 /hr
    737 hours
    5.00
  9. Martin Benka

    Martin Benka

    Native Android, iPhone, Phonegap, Web expert, Server developer

    Slovakia - Last active: 17 hours ago - Tests: 6

    Welcome to Visit my profile I am a native Android and iPhone, Phonegap, Web expert with creative skills and enough experience, strong knowledge. I am not agency and I am a independent freelancer. I expect to work with a good provider who want to explore wide areas of Android and iPhone. With over 5 years of Mobile app developing experience, I would enjoy helping my provider. Over the last 5 years, I have developed Android applications such as below *****Possible Both development and design***** For Android and iPhone, Phonegap --GPS+Google Map+Web Server(PHP)+Social Media Application --Shopping and Dating Application --Phone control Application using Web Server --Push Notification(SMS) Application using GCM --Phonegap/Cordova Application --VoIP, SIP Application --Music and Video, Photo and Camera Application Besides I have great experience in Mobile app developing. I have broad knowledge of following as : ***Possible Both Backend and Frontend*** 1) Web developing with PHP, HTML5, CSS3, jQuery 2) 2D Graphic design and Logo design, 3) Photo edit, Audio and Video edit, etc. 4) Adobe-Flash animation So I make sure all of my projects have a smooth, professional look. I am a responsible person who cares about deadlines and client's opinion, quality of product. I have many experience of Android and iPhone app, Phonegap, Web developing in oDesk and Elance, Freelancer sites. My experience for Android application development https://play.google.com/store/apps/details?id=com.tapporo&hl=en https://play.google.com/store/apps/details?id=com.mindfreelabs.mintcoins https://play.google.com/store/apps/details?id=com.junobe.android.junowallet https://play.google.com/store/apps/details?id=com.inova.android.outee https://play.google.com/store/apps/details?id=com.celebratedchefs.celechefs https://play.google.com/store/apps/details?id=com.zoho.invoice&hl=en https://play.google.com/store/apps/details?id=appinventor.ai_optimizationtutor_com.aWi th_Love My experience for web site development http://marketnews.se/ http://whatculture.com/ http://www.thaimassageguiden.se/ http://www.cineblog01.net/ Thank you for your attention to me. Best regards.

    $33.33 /hr
    256 hours
    4.99
  10. Mubin ul haq Vhora

    Mubin ul haq Vhora

    UI/UX Designer (Web & Mobile)

    India - Last active: 17 hours ago - Tests: 2 - Portfolio: 33

    Passionate and focused in seeking solutions of complex business and user problems in creative ways; by focusing on the end user to design products that are usable, engaging, functional and profitable. UI/UX Designer having many years of experience. I would like to continue focusing on producing creative interfaces based on user-centered design principles. My ultimate goal is to work, collaborate & learn from creative, driven people. Ability to think and evaluate design feasibility across business, product scope, content strategy, visual design and technology. Research skills for competitive analysis, environmental scans and field studies. Prototyping & Wire framing - Low to High Fidelity. Documenting task analysis, workflows and user-case scenarios. Skills User Experience Design, Interaction Design, UX Strategy, Research & Analysis, Information Architecture, Mobile App Design, Content Strategy, Wire Framing, User Flow Design, Functional Scope, Prototyping, Responsive Web Design, Front End Development, Project Management

    Groups: Pro Web Designers

    $33.33 /hr
    844 hours
    5.00