Top Upwork Freelancers

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  1. Charlie Espinosa

    Charlie Espinosa

    LABTECH Admin /Systems Administrator / Remote Tech Support Tier 3

    Philippines - Last active: 2 months ago

    I am an experienced IT Systems and Network Administrator who has held positions such as NOC Manager, IT Department Head, Systems Administrators Supervisor, Systems Support Specialist and System Administrator for the past twelve (12) years and has a short stint in the academe. I am a person who strives for excellence, he continues to research new technologies in his field to widen his knowledge of the industry. I also possess effective communication skills and good analytical and decision making abilities. I am very much dedicated and motivated to work towards achieving project goals and complete given tasks.

    $16.67 /hr
    274 hours
    5.00
  2. Paul R.

    Paul R.

    Perl programmer and API integration specialist

    Ireland - Last active: 11/26/2014 - Tests: 2

    Experienced programmer and developer specializing in API integration, web backends, file conversion, text and image processing, and desktop utilities. 18 years working in IT and publishing. Excellent communication skills. Deep understanding of complex data structures and algorithms. API Integration - Expert knowledge of API data formats and communication protocols: XML, JSON, Atom, HTTP, OAuth, REST, SOAP. - Ability to quickly comprehend API documentation. - Author of concise, well documented code that is secure, robust, modular and expandable. - Designer of functional and efficient web-based interfaces. File Conversion - Programmatically read, write and manipulate many common file formats, converting from one to the other: Excel, PDF, bitmap and vector images, HTML, XML, SVG, Illustrator, shapefiles, email message formats. Text and Image Processing - Tools to parse and analyze text: stemming, inflection, n-grams, categorize, summarize, search indexing. - Tools to manipulate images: crop, resize, scale, reduce file size, montage, animate. Desktop Utilities - All of the above as simple to use, one click desktop applications.

    $38.89 /hr
    67 hours
    4.98
  3. Artem T.

    Artem T.

    Expert Web developer

    Ukraine - Last active: 4 months ago - Tests: 10 - Portfolio: 7

    Hi, I'm Artem, a freelancer from Ukraine (UTC +2) In my portfolio, there are a few projects that I've developed. I believe that my strong points are my Creativeness and Punctuality. Over the last 7 years, I have developed many interested projects using html5, css3, php, mysql, javascript, jquery, etc. While working on a new project, I like to chat with the client, so that I can have a clear understanding of his/her needs and vision of the project. I'm honest and fair. I also have some experience in the following areas: SEO optimization, product management and QA management Thank you in advance for your time and consideration. I look forward to working with you soon.

    $13.33 /hr
    53 hours
    5.00
  4. Martin D.

    Martin D.

    Frond End Developer

    Macedonia - Last active: 10/16/2014 - Tests: 1

    I'm a front-end developer from Macedonia with strong experience in HTML5, CSS3, JavaScript (JQuery) and Bootstrap. In the past 4 years I`ve been developing (and designing from time to time) websites that work great across all devices and platforms. Although I`m dedicated on the technologies mentioned above, I`m am familiar with: Basic PHP, AJAX calls and MVC patterns.

    $22.22 /hr
    181 hours
    5.00
  5. Majorvin T.

    Majorvin T.

    Senior QA Developer/Selenium Developer/Mobile Tester

    Canada - Last active: 10/20/2014 - Tests: 5 - Portfolio: 1

    • More than 3 years of IT experience specialized in quality assurance in multiple industries and environment • Creates Selenium C# API to turn manual web process into web automation • Strong testing experience in automation testing, regression testing, user acceptance testing, functional testing, performance testing, integration testing and load testing • Involve in entire QA process including defining, designing, creating and executing test cases; Experienced in test result and defect analysis • Well versed with QA Methodology and QA process to ensure high quality product • Proven hands-on experience in testing java and web-based applications • Creative problem solver with advanced analytical and planning skills; Exceptionally high attention to details • Working towards CSQA designation • Open to new challenges and opportunities, fast learner, self-motivate, and hardworking

    $33.33 /hr
    1,818 hours
    4.45
  6. Manya B.

    Manya B.

    Expert Freelance Software Developer with salesforce & Java Experience

    India - Last active: 3 months ago - Tests: 3 - Portfolio: 2

    Over the past 1.5 years, I have developed a variety of Salesforce applications within the tenure of my Corporate experience. My core competency lies in complete end-end salesforce development project, and I am seeking opportunities to develop many more salesforce development projects. I also have some experience in the following areas: java, SQL, OOP, and UI.

    Groups: salesforce.com

    $14.44 /hr
    10 hours
    4.93
  7. Muhammad Raffay

    Muhammad Raffay

    Sr. Server Support Engineer / Consultant

    Pakistan - Last active: 08/31/2014 - Tests: 2 - Portfolio: 5

    I am result-oriented IT Professional (having more than 7 years of Experience) focused towards company’s operational goals by keeping abreast with current and emerging IT technologies. Core competency attribute as the management experience of supervising team of skilled human resources responsible for smooth IT operations; nevertheless has the ability to work as team member or in individual capacity. Substantial Project Management aptitude of planning, designing, and implementing large-scale Enterprise Network / System Infrastructure, Security Operations Center (CCTV/Bio-Metric appliances), Windows Active Directory, Microsoft Messaging and Collaboration and Back office Application Services along with different emerging technologies as per organization need. Also, have the knowledge of deliver cost effective solutions which meets the business requirement. And, ability to conduct AS-IS, TO-BE and GAP analysis to enhance business processes. Some of my salient achievements: • Bachelors of Engineering in Information Technology (B.E. IT) • Cisco Certified [CCNA 640-802, CCNP Cisco ID: CSCO13826485] • Juniper Certified [JNCIA-EX, JNCIA-ER, JNCIS, JNCIP Juniper ID: JPR81316] • Microsoft Certified System Engineer (MCSE 2003, Coursework) • Corporate IT Security- (Computer Networks Security) Design Experience: • Active Directory 2003/2008 • Microsoft Exchange 2003/2007/2010 • Microsoft System Center Operations Manager 2007 • Firewall (Cisco ASA, PIX525, Sonicwall NSA 3500, Juniper SSG 140) • Cisco Routers 800, 1600, 1800, 2800 • Cisco Switches 2900, 3500, 4500, and Extreme BD6800, x450, Summit 48si, HP ProCurve 2810, 1800 Specialties • Data Center Development • Network infrastructure design • System infrastructure Integration • Point-to-Point Wireless Solution • Unified messaging • Custom software development • Risk management and data security • Disaster recovery planning • Structured Cabling Solutions

    $16.67 /hr
    37 hours
    4.99
  8. Ciprian Micutaru

    Ciprian Micutaru

    Web Developer - Zend Framework, Wordpress, Opencart, Prestashop

    United Kingdom - Last active: 12/14/2014 - Tests: 2 - Portfolio: 28

    I'm a Web developer and desginer, with knowledge and experience for the past four years with: WordPress, PHP, MySQL, jQuery and E-commerce platforms. I love to create stylish, professional websites and/or blogs, while i can design myself, I prefer working with skilled designers and copywriters as needed, and handle all the development. In my free time I am building my own social network using Zend framework. I have a master degree on Web Developement from Faculty of Science from Iasi - Romania.

    Groups: LoadedCommerce, Pligg...

    $30.00 /hr
    546 hours
    4.99
  9. Jeffrey Lua

    Jeffrey Lua

    Asp.net Developer

    Philippines - Last active: 4 months ago - Tests: 3 - Portfolio: 11

    I have been working in the IT field for 8 years now developing various desktop and web application for different industries from manufacturing, pharmaceutical, logistics and accounting. I also have in depth experience with regards to data processing. I specialize in applications developed in C#. I am a MCTS in NET Framework 2.0 Windows Applications and ASP.NET 3.5 Web Applications. My over 8 years of professional experience has equipped me to work with minimal supervision, practice professionalism, value integrity and manifest excellence in everything that I do.

    $22.22 /hr
    1,906 hours
    4.89
  10. Van Wilson

    Van Wilson

    BIG DATA, BI Analytics, DBA, ERP, Tableau, Java, Datawarehouse

    United States - Last active: 2 months ago - Portfolio: 1

    Being a Programmer for over 15 years I have worked with many GUI, Websites, dotcoms, ERPs and languages. I also have a BA and graduate classes towards MBA at Pepperdine. I am Microsoft Certified Trainer and DBA for MS SQL, MSSAS, NAV and SAGE Certified for SAGE 300. I recently created 5,840 tableau reports and automated the xml, server, and desktop of tableau. The report data came from a data warehouse that I created using ETL, indexes, views, cubes, agents, automation, and performance tuning for. I have programmed to SAGE 100,200,300, MS NAV, Peoplesoft, Xtuple, Oracle, Quickbooks Enterprise. I have made datawarehouse indexes, tables, views, cubes and been DBA for Oracle, SQL Server, Mysql, PostgreSQL. I program in VB, PHP, .NET, ASP.net, Java, D3, jscript, Jasper, To view my full profile, email me for at vfw4444@gmail.com.

    $29.44 /hr
    74 hours
    4.00