Top Upwork Freelancers

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  1. Muhammad Saad

    Muhammad Saad

    Software Engineer

    Pakistan - Last active: 3 days ago - Tests: 1

    7+ years building client/server, web-based application and infrastructures.  Architected, designed and built solutions using Microsoft, Java and Open Source tools. Led development of complete suites of products including Desktop and Web platform. Developed high volume transaction application. I have an expertise in : Asp.net C# , Ext.net, Ext JS, Java, PHP, AJAX, JQuery and open source software integration.

    $30.00 /hr
    1,144 hours
    0.00
  2. Daniel Harvey

    Daniel Harvey

    Security Architect/Developer/Consultant

    United States - Last active: 2 days ago - Tests: 1

    Over the past 5 years I have specialized in application security. My responsibilities have included designing secure applications, programming fixes for vulnerabilities, educating developers, developing secure development processes(SDLC), and testing applications for security vulnerabilities. I currently work for a large payment processor and have worked for other financial institutions in the past.

    $44.44 /hr
    151 hours
    0.00
  3. John Osmond

    John Osmond

    Microsoft Access / SQL Server Developer

    United States - Last active: 8 days ago - Tests: 1

    I first began developing an Access database for a small company in Florida. I became a permanent, part-time employee in 1998. As the database project grew we expanded the back end to a SQL Server database. Over the years I've studied both Access VBA and T-SQL and have become very good at designing network based applications based on this popular combination of Microsoft products.

    $72.22 /hr
    146 hours
    0.00
  4. Facundo F.

    Facundo F.

    Computer Scientist

    Argentina - Last active: 2 days ago - Tests: 3

    Self-motivated to research and provide high-quality solutions to real world problems. I'm an algorithm specialist mainly focused on distributed systems and machine learning. On the past I have worked on high performance computing (mainly for scientific applications), using CUDA, OpenCL and MPI. I love to build scalable solution to big problems, and I get really fascinated with challenging back-end and algorithmic issues. I'm also very interested in the research and development of challenges human-computer interaction tasks, including natural language processing, computer vision, machine learning, etc. My experience includes: - C, C++, Python, Django, Scala, Akka. - High performance computing: CUDA, OpenCL, MPI. - SQL & NoSQL, Elasticsearch, Hadoop. - Algorithms & Data Structures. - Data Analysis & Machine Learning. - Semantic Web. - Distributed Systems.

    $30.00 /hr
    140 hours
    0.00
  5. Stone Hu

    Stone Hu

    MBA/Legal professional Chinese translator

    United States - Last active: 11 days ago - Tests: 2

    Experienced professional with 5 years experience as a consultant and business counsel. Seeking to contribute my skills to complex, international business challenges by facilitating process improvements and enabling effective decision-making. Professional highlights include: • Advanced professional and educational background from both Asia and the United States. • Demonstrated cultural competency with Western and Eastern styles of business communication. • Noted for ability to apply analytical, management, and interpersonal skills. I'm a forward thinker, global traveler and a advocator of green life style. I am also passionate about out door activities and in my spare time I join groups to discover actively around Georgia.

    $35.00 /hr
    78 hours
    0.00
  6. Tobias M.

    Tobias M.

    Software-Developer (PHP, MySQL, Javascript, AJAX, Symfony, jQuery)

    Germany - Last active: 27 days ago - Tests: 4 - Portfolio: 18

    Since 2006 I implement PHP/MySQL Database Applications - starting with the simple CMS-Website over Online Shops with backend interface to existing software, ending with high-demanding customized business applications - with established languages and techniques like XML, HTML, CSS, AJAX and Javascript and several CMS- and E-Commerce systems as well as Frameworks. In the last years Pimcore, AngularJS, Symfony2 and Knockout were my regular tools of occupation, but I'm able to quickly read myself into other systems. Also I was able to extend my knowledge about Mobile Development with Objective-C for iPhone/iPad/iPod-Apps, as well as Java for Android. In addition to that I realized several Database Publishing projects – automatized catalog production - with direct, standardized PDF- Creation or with Indesign-Plugins e.g. Werk II's priint:comet oder DATAFORM.

    $49.00 /hr
    61 hours
    0.00
  7. Stephan K.

    Stephan K.

    Graphic Artist

    Bulgaria - Last active: 15 days ago - Tests: 2 - Portfolio: 15

    Professional and Cool Graphic Design Services with a Personal Touch. Here is what you get: Work together with an experienced designer. No Blah! Blah! and minimum formalities; clear milestones, strict deadlines. Live online communication, you can refer to the project history anytime. Frequent updates - you always know what's happening. Less expenses to keep the service cheaper. Service Description - Logo and Brand Identity - Character Development (2D&3D) - 3D Visualizations - Illustrations - Web Design

    $35.00 /hr
    65 hours
    0.00
  8. Karen Erickson

    Karen Erickson

    UI/UX Designer

    United States - Last active: 3 days ago

    www.karenerickson.net UI/UX Designer | Onyx M.D. | 1/2015 - Current [Contract assignment] Redesigning Onyx M.D. intranet. Designing Onyx M.D. extranet. Marketing Project Designer | Great-West Financial | 7/2013 – 7/2014 [Contract assignment] Design newsletters, sales materials, presentations and user guides for internal use, manage tight deadlines to meet compliance and legal requirements of marketing materials. Update data files, create reports visually explaining sales data to wholesalers. Perform system testing, log changes/defects for external Direct Access website. Independent Designer | 8/2007 – Current Design brochures, print ads, marketing materials and business cards using InDesign, Photoshop and Illustrator. Establish and maintain business relations with clients. Collaborate with clients to ensure desired results. Key Achievements: • Designed campaign materials, flyers, invitations, and magazine ads for Wings of Hope charity. • Designed website for Hoffmann Midwest, Inc. promoting their Trailer Conveyor System. • Redesigned website for Gateway AMC non-profit organization using WordPress. User Experience (UX) Designer | Spiremedia | 2/2013 – 7/2013 [Independent Contract] Participated in stakeholder interviews and meetings; identified MVPs, goals/values and roles; created personas, user stories and acceptance criteria; created process flows and wireframes using Axure Pro. Key Achievements: • Created process flows for local client who needed an online portal to easily transfer M&A funds. • Created interactive wireframes (320px and 1024px screen size) for mobile meeting application. Marketing Assistant | Great-West Financial | 9/2012 – 12/2012 [Contract assignment] Prepared and packaged artwork for print for Great-West rebranding efforts. Created scope documents, ensured requirements and deadlines were met, reviewed live proofs and PDF proofs for color, content and data accuracy. Handled edits and updated design files. Managed all print jobs for 27 marketing communication specialists. Web Production Artist | VentureMark Media | 3/2012 – 12/2012 [Contract assignment] Created web graphics and video graphics using Photoshop and Illustrator. Uploaded graphics and maintained content management system. Built web pages within content management system using HTML. Participated in conference calls with clients and team members. Created over 200 web graphics and 25 video graphics for over 90 web pages for Airgas Training site. CMS Admin/Multimedia Designer | NewGround | 9/2010 – 2/2012 Managed multiple content management systems for digital media graphics for financial institutions across the U.S. and Canada – 150 banks & credit unions/1600 branches. Tested and transmitted graphics to digital media displays. Designed Flash animations for digital signage totaling more than $20,000. Collaborated with graphics team to ensure client needs were met. Database Designer/Analyst | AppointLink, Inc. | 6/2002 – 12/2005 Managed development tasks for several concurrent projects. Integrated websites with SQL Servers. Developed solutions that improved external organizations efficiency. Interviewed business owners, gathered requirements, translated requirements to presentable prototypes/mockups. Wrote test plans and manually tested systems. Key Achievements: • Converted American Medical Claims (AMC) DOS-based claims management system to an Access database. • Converted St. Louis University Center for Anatomical Science and Education (CASE) donor tracking spreadsheets to an Access database. Application Analyst | RehabCare Group, Inc. | 12/2001 – 6/2002 Lead user groups in systems analysis and testing, documentation and interpretation of business requirements for application development. Bridged the gap between the user, business and technology. Key Achievement: • Analyst for the ADP HRMS HR/Payroll and eTIME time-entry systems implementation. Met with all levels of the IT, HR and Payroll departments, attended meetings and provided project updates. Coordinated UAT. Provided technical support to HR/Payroll and internal customers. Configured eTIME system to achieve optimization of the functions within the application. Performed ad-hoc SQL queries for data cleanup. Associate Software Engineer/QA Tester | MasterCard International | 2/2000 – 12/2001 Designed and developed Lotus Notes applications. Met with business units, gathered requirements and prepared project plans. Created queries and integrated Crystal Reports within the databases. Performed QA testing; executed and validated test cases; worked with programmers to resolve defects. Key Achievements: • Designed department intranet application in Dreamweaver. Worked closely with technical writer and graphic designer to ensure all components were complete. • Developed Lotus Notes application for managing action plans that were a direct result of in-house surveys. Received “SPOT” award from client (Superior Performance Outstanding Teamwork).

    $32.00 /hr
    691 hours
    0.00
  9. Rob Rudock

    Rob Rudock

    SEO/SEM/Web/E-commerce Consult/Implement

    United States - Last active: 8 days ago - Tests: 2 - Portfolio: 2

    It's simple: When someone searches online for your product or service, you no longer get lost in the million responses, you come up on page 1. I make your webpage work like it was always supposed to. Prepare to expand. Google uses several metrics which are time consuming to learn as well as heavily guarded secrets to rank your site that require an expert to navigate. To try it on your own is to realize you require someone who knows what they are doing and can devote hours to your online marketing success, and with guaranteed - not speculative- results. A good SEO/SEM specialist pays for themselves in a very short time period. I also have a full team and run RankChallenger.com. We design and make websites that are SEO ready, and continue to provide zesty citation, backlink, and content relevancy to ensure very high rankings in search engines both locally and nationally if desired.

    $40.00 /hr
    65 hours
    0.00
  10. Christina Martinez-Williams

    Christina Martinez-Williams

    Detail-oriented Administrative Support and Excellent Writer

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

    I am a self-motivated and task-oriented administrative support person whose skills include attention to detail, a strong work ethic, an ability to remain focused, efficient follow-through, and strong responsibility. My administrative strengths are complimented by my quick learning, integrity, and achiever nature. My two bachelors degrees (B.S. Math, B.A. Spanish) and three masters degrees (M.Ed. College Student Affairs, M.Ed. General Education, M.Ed. Special Education) have helped me not only to perfect my administrative skills but also to develop excellent writing skills. Through my professional roles, I have become an expert at managing data; creating documents and systems to streamline and help communicate and organize information; and prioritize, manage, and successfully complete multiple tasks and deadlines at one time.

    $40.00 /hr
    215 hours
    0.00