Top Upwork Freelancers

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  1. Joanna D.

    Joanna D.

    Experienced Developer: C# .NET,WinMobile/Forms,ASP.NET,LINQ, SQL

    Trinidad and Tobago - Last active: 6 days ago - Tests: 10

    I have a wide range of Software Development and IT experience covering all stages of the project life-cycle; end-end process and requirements analysis, through to implementation and customer support. My development background includes 12 years experience in C (3 in C++) on both Unix and Windows, 5 years in Web-development (mostly C#, ASP.NET, JavaScript), 10 years in database development and administration using Microsoft SQL Server/T-SQL, 7+ years in .NET and C#. I have a Master of Science in IT in 2009 and a BSc.in Geology. I have thirst for knowledge and am constantly learning new skills! Currently, and for the past 6 years my focus is on C# and .NET development, notably: -- Windows Mobile/integrated WinForms Desktop Business Applications using .NET Compact / SQLCE on WiFi-enabled devices(e.g. RFID/Barcode scanners) -- database-driven web applications using ASP.NET, WebForms/MVC, Ajax, LINQ-SQL I am a logical and analytical thinker - and a bit of a perfectionist (!) - who is dedicated to providing quality solutions; when the client is happy with the results I produce, I am happy. My varied experience in IT supports well my natural diagnostic ability and love of problem-solving; I enjoy devising innovative methods/algorithms to improve efficiency and performance. My areas of interest include: anything related to science, AI, SOA and client-server architecture solutions. http://tt.linkedin.com/in/jayd2010

    Groups: Application Developers Alliance

    $33.36 /hr
    1,835 hours
    4.88
  2. David Bell

    David Bell

    Design, Develop, Market, Optimize

    United States - Last active: 1 day ago - Tests: 7 - Portfolio: 3

    I design, build, market, and optimize web sites for a variety of customers and industries. With more than 8 years in web development, marketing, sales and support, I've honed my skills to build the best products with the highest ROI. Every day I help companies reach there true potential by boosting their visibility in search results, maximizing their reach in social networks, and boosting their conversion rates through user experience designs and content optimization. Hire me, and you get the full services of the Quazar Solutions team.

    $32.00 /hr
    147 hours
    4.89
  3. Michał Zieliński

    Michał Zieliński

    Software developer

    Poland - Last active: 1 month ago - Tests: 5 - Portfolio: 5

    Michał Zieliński is a programmer. Among his projects, he ported a strategic game "Freeciv" to Android, which now has about 250 000 unique installations. He started programming at age of 12, in high school he received silver medal in Central European Olympiad in Informatics and his team won mini-satellite building contest "Cansats in Europe". He is also a Linux network administrator. He's favorite language is Python, but he's proficient in Java, C, C++ and JavaScript. He created projects like `pyjvm` (Python interpreter in Java), `gitjoin` - a Git frontend, similar to Github or distributed online judge `Lemur`. I'm also working on Nimrod - a new systems programming language. Github: https://github.com/zielmicha/

    $50.00 /hr
    81 hours
    4.75
  4. Lars H.

    Lars H.

    Business Intelligence and Software Development Expert

    Germany - Last active: 19 days ago - Tests: 1

    Lars has more than 9 years of experience helping companies across a broad array of industries to deploy planning capabilities in form of business intelligence solutions to significantly improve business performance. With a lot of passion for technology and vision for modern, pioneered innovations Lars shaped from a software developer via IT Management positions up to a specialist for business intelligence solutions. Over the last several years, Lars has focused on bridging business towards technology in order to deliver best-practice approaches for business intelligence solutions. In his former position with Digital Tempus he helped global companies (TOP 50 Fortune) to shape needs for sales and operations planning and transform those into an insight-driven planning solution based on Microsoft’s Business Intelligence and .NET stack. The fruitful combination of deep knowledge of both, software development and business intelligence, alongside the capability to understand and transform business needs, makes Lars a widely positioned and respected business intelligence expert. His great and deep expertise in the entire Microsoft database and BI stack, especially database services, integration services as well as analysis & reporting services allows Lars to accomplish basically every complex task. -- I reside in Germany but my time is very flexible so even when you are located elsewhere I can definitely make sure to make myself available whenever you need me. I work for almost 10 years in the area of information technology. To be more precise I owned my own software development company, focusing on windows based client developing under C#, WPF, SQL Server, WCF and all the good stuff that comes with it. While my team (and I) have been focusing on this side I got myself involved for the recent 4~5 years in the area of Business Intelligence. I am on an expert level in terms of data warehousing and business intelligence solutions under Microsoft Technology. SQL Server, Analysis Services, OLAP, MDX, DAX, PowerView, PowerPivot and even Power BI and Sharepoint is something that I work with on a daily basis. I am also very engaged in software development. That is what I learned back than and that is what lets me build a "face" on top of all that data analytics. My recent project was about an enterprise business planning suite developed in C#, WPF, WCF. It has just recently been rolled out to around 150 users all over the globe.

    $83.33 /hr
    681 hours
    4.85
  5. Le Nguyen

    Le Nguyen

    Certified Salesforce Developer

    Vietnam - Last active: 1 month ago - Tests: 4 - Portfolio: 3

    I have two years experience as a salesforce developer and I have 8 years experience in software development . I have developed a wide range of products from Web to Desktop bases. I have also involved in project management process from initial state to end. My Demo site: http://odeskdemo-developer-edition.ap1.force.com My responsibility at work: _Creating and managing complex workflow rules,trigger, data validations, and object customizations _Create and maintain system interface diagrams, functional designs, and technical specifications _Developing integration processes using SF Web Services API, and other integration tools _Designing and creating client-specific solutions on the Force.com platform using Apex and VisualForce _Work closely with business partners to realize the full capabilities of Salesforce.com CRM.

    $38.89 /hr
    771 hours
    5.00
  6. Laura Resurreccion

    Laura Resurreccion

    Artist, Illustrator, Designer and Writer

    United States - Last active: 1 day ago - Tests: 8 - Portfolio: 59

    I have a fine art background and I originally thought this graphic design career would just be a day job. I didn't think I'd love it so much! I earned a state certification to practice advertising art in high school. I have a Bachelors of Technology with a major in Visual Communications from the State University of New York at Farmingdale. I have 16 years experience with various national and international clients you may have heard of. Logo design is my passion, I think of graphic design as a problem-solving process and it is a very rewarding process for me. I count myself very lucky, I get to meet the most brilliant people who have amazing ideas and I get to help them with their goals. See my website for more information about me and my style http://lauraresurreccion.wix.com/lrgraphics I do best when a client has information about their business and a clear vision. Though some of my favorite projects have been with clients who let me start from scratch. I love working with people who are smarter than me with great ideas. Skills include Adobe Creative Suite, Web Design, Social Media Customization (For your Facebook, Twitter and Youtube pages), Fine Art Illustration, Vector Illustration, user interface front end design, Email newsletter campaigns, article writing, creative writing, content writing, ghostwriting and editing services. If you have completed a novel or a dissertation I can offer editing services and proofreading services. Please message me with your details to get a personalized quote. See the latest work in progress and things that inspire me on my company facebook page, https://www.facebook.com/lrgraphicsupstateny

    Groups: Application Developers Alliance

    $30.50 /hr
    306 hours
    4.77
  7. Nikolai L.

    Nikolai L.

    Senior Software Developer

    Belarus - Last active: 13 days ago - Tests: 4

    Having more than 6 years of enterprise development, I'm passionate about architecture and software design for complex solutions. I am happy to build great products considering all the aspects you need for success, from user experience and modern front-end to scalability and security of the back-end. Primary skills: ASP.NET MVC, Web API, NHibernate, Spring.Net, IoC, Templating, Node.js, Phonegap/Cordova, RabbitMQ. HTML5/CSS/Javascript, jQuery, Sencha Touch, Backbone, Bootstrap, LESS, Mustache etc. MS SQL Server, Apache Solr, Elastic Search, Redis, Couchbase, Mongo. Agile, TDD, DDD.

    $33.33 /hr
    333 hours
    5.00
  8. Weipin X.

    Weipin X.

    Indie Freelancer

    China - Last active: 3 days ago - Tests: 1 - Portfolio: 3

    Specialized in human interface design, backend development and iOS app development. Human Interface Design ---- Keen on creating easy to use interface, have been practicing in this area for many years, was in charge of app design in quite a few projects. It's a habit for me to think about "user experiences" -- whether playing with various apps or using an ATM machine. Website Backend ---- From development to deployment, specialized in Django framework. Stacks include database, "Unix-like" sys admin and well-written Django helper libraries such as South, Tastypie, etc. Also have experiences on GAE, AWS, etc. iOS App Development ---- Not a fresh iOS programmer, started writing programs for the Mac platform when Mac OS X was merely 10.1 and Xcode was Project Builder. Workflow ---- For iOS app development, mockups will be built using tools like Balsamiq, to settle on an overall tone. And then, milestones will be set. Services like github is recommended, to make the code management and cooperation easy. Misc ---- - A Mac box is my major "workstation", testing devices include iPhone and iPad. - Projects list in "portfolio" are all my own stuff. For other projects, I would need client permissions of public listing. Please check my job history or ask.

    $30.00 /hr
    158 hours
    5.00
  9. Parameswaran M

    Parameswaran M

    Java EE/SugarCRM Specialist

    India - Last active: 9 days ago - Tests: 5

    • 8 years of work experience with 7 years of extensive experience in developing and maintaining Complex Java EE applications and 1 year of work experience in SugarCRM & PHP • Received many awards for outstanding performance and enthusiasm • Very Strong in fundamentals, and has handled various training sessions and webinars on Hibernate, Design Patterns, EJB 3.0, Web Services • Focused on Automation, and developed various utilities and tools for productivity improvements • Been onsite for two years in New York working for a leading Media & Publishing company

    $50.00 /hr
    403 hours
    4.98
  10. Dejan Nikolic

    Dejan Nikolic

    Graphic Design, Layout, Typesetting and Prepress

    Serbia - Last active: 1 day ago - Tests: 3

    I'm a professional graphic designer (and journalist) with 20 years of experience. I've specializing for prepress & typesetting, logo design, illustrations and web design. During my career, I worked in various roles from making logos (and complete corporate identity), business cards, flyers, leaflets, booklet, through illustrations, posters, billboards, to prepare for printing books and magazines. I was an editor in chief and a graphic editor of several newspapers. I've excellent knowledge of Adobe Suite, especially InDesign, Illustrator and Photoshop, and very well knowledge of CorelDraw and Serif Page, Draw & Web Plus. I am hardworking and a fast learner with good communication skills.

    $33.33 /hr
    58 hours
    4.94