Top Upwork Freelancers

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  1. Erik Hansen

    Erik Hansen

    Unity, Augmented Reality, Virtual Reality, Xamarin, C#, iOS, Android,

    Denmark - Last active: 4 days ago - Tests: 8

    Hello everybody. I am a professional and expert software developer. I have 7+ years of development experience. Mobile App / Game : Native iOS, Android, Windows Phone Expert Skill: Augmented Reality, Virtual Reality, Motion Sensor, C#, Unity, Xamarin programming language : C/C++, C#, Objective-C, Swift, Java, Java Script, Delphi, open source library : OpenGL, OGRE, OpenCV, FFMPEG, VLC, Chromium, Technologies ready: - Mobile application / game development.(iOS, Android, Windows Phone) Native( iOS , Android, Apple Xcode, Objective C, Swift, Java, iOS8, ) Fitness App, iOS8 Keyboard Extension, Photo/ Video processing , Uploading, Web service interaction, Xamarin (C#, Visula Studio, Xamarin Studio, iOS, Android, Windows Phone) Unity(C#, JavaScript, Shader, NGUI, Unity 4.6 UI, Prime31 Plugin, Multiplayer, 2D, 3D, Social Game) - 3D rendering: OpenGL, DirectX, WebGL, OGRE engine, Shader (Pixel Shader, Vertex Shader, HLSL, GLSL) 3D Rendering Optimization, 3D rendering Engine Development. - Augmented Reality experience of AR Engine Developmet Vuforia, Metaio, Wikitude, ARLab SDK integration with Unity , iOS, Android Geolocation based AR, Image Recognition, Tracking Cloud database, Face Tracking, Modeling QR code Recognition, AR movie, video Custom Camera Cature AR Game. - Virtual Reality Oculus Rift, Google Cardboard, Google Glass, Samsung Gear VR VR 3D Video Player ( SBS, Over Under 3D Video , 360 degree) Motion Sensing ( Leap Motion SDK, Kinect, Extreme Reality ) - Media Streaming VLC, FFMpeg - Image Processing Aviary SDK - Social Networking Facebook, Twitter, Linkedin.. Parse.com, Gamesparks.com, Shephertz.com (App 42, Appwarp) Platform: Desktop Applications (Windows, Mac OS, Linux): QT, C++, Java Mobile Applications (iOS, Android, Widows Phone, Black Berry) Objective C / Xcode, Java / Eclipse, Unity, Xamarin, Phonegap,

    $55.56 /hr
    296 hours
    5.00
  2. Tatiana Sukhova

    Tatiana Sukhova

    WEB, UI/UX, Graphic Designer PRO, 14 years in Branding

    Thailand - Last active: 1 day ago - Tests: 3 - Portfolio: 25

    My passion is to find a unique and clean style, working on new products. I love design solutions! I love to create common principles, working on complex objectives. From logo to a color theme, from sales page to a product interface. I love typography, pixel perfect elements, Clean PSDs, Adobe CC, responsive design, guidelines and deadlines. Being an innovative field of design, web design and User Interface are my passion, but I have 10 years of experience in print design, products development and retail interior. https://www.behance.net/tatsis I am passionate about travelling as well as international collaboration. My aim is to make things simple but impressive, in a way that will help make people’s life better, or work easier. I Hold a Master of Graphics Design from Ural State Academy of Architecture and Arts. I enjoy yoga practice and outdoors activities with my family. I work with: Adobe Photoshop; Adobe Edge Reflow: Adode Illustrator; Adode Indesign; Microsoft Power Point

    $45.00 /hr
    1,027 hours
    4.97
  3. Joshua H.

    Joshua H.

    Experienced Java and Web Developer

    Australia - Last active: 1 day ago - Tests: 5

    As an experienced developer I can help you through all the stages of software development: analysis and design, coding, testing and maintaience. I've delivering rich web and software applications in Java, Javascript, HTML/CSS and Python and can build a solution or fill your programming needs. I am a professional web and software developer with over 11 years experience. I am passionate about solving problems and delivering high quality solutions on time and to requirements. Using a professional approach and best practices I can write and provide high quality code. Main skills: * (Enterprise) Java * Spring * Hibernate * Oracle, MS SQL, MySQL Database systems * HTML5 * CSS * Javascript * JQuery * Python * Django

    $45.00 /hr
    57 hours
    4.90
  4. Bosko Ivanisevic

    Bosko Ivanisevic

    Expert Ruby and JavaScript Developer

    Serbia - Last active: 4 days ago - Tests: 3 - Portfolio: 1

    I am an Architect/Developer passionate about writing maintainable and readable code with vast experience in various fields, from Desktop to Web applications. Extensive experience and skills with all levels of software and architecture as well as experience with all levels of participation from individual developer to technical / group lead. Large experience in several programming languages: Ruby, JavaScript, C++, C# and Lua.

    Groups: Application Developers Alliance

    $44.44 /hr
    887 hours
    5.00
  5. Patrick S.

    Patrick S.

    Quant Finance, Trading Strategies, Algorithms, C#, Python, MATLAB

    United States - Last active: 23 days ago - Tests: 2

    If you want to create a trading system, run a statistical analysis, develop a pricing model, build a financial GUI, or find a pattern in a sea of data, I may be the guy to help. I work primarily in MATLAB, C#, and Python. On the finance side, I'm a CAIA Charterholder, with an Economics degree and experience at McKinsey & Company. On the technical side, I hold degrees (with honors) in Engineering, and worked at a number of California tech companies through the 1990's and early 2000's. Since 2008 I've focused my work in the field of computational finance. Recent clients have included: a Swiss proprietary trading desk (Energy Futures), a Canadian hedge fund (Currencies), a US asset management firm (Equities & Bonds), a US portfolio consulting firm, a US aircraft manufacturing operation, and several others. For those clients I have developed, backtested, and deployed alpha-seeking trading strategies, automated execution algorithms, portfolio optimization models, user-friendly GUI tools. Techniques have included machine learning algorithms, classifiers, feature detectors, digital filters, matrix-based models, and concepts borrowed from detection theory and signal processing, along with various technical analysis indicators. I've worked with many financial platforms and data feeds: Deltix QuantOffice (C#), CQG API, Bloomberg, Interactive Brokers API, MultiCharts (PowerLanguage), MultiCharts.NET (C#), TradeStation (EasyLanguage), FIX (HotspotFx), ITCH (HotspotFx), etc. I can integrate other systems with MATLAB or Excel where there's an advantage. I've created C/C++ .mex files, VBA macros, Java/MATLAB integration, MATLAB/Excel integration. I've been programming in MATLAB since 1990, and can sometimes get it to do things that others can't. I can also translate or port a MATLAB application to other languages, especially Python or C#. I'm located in Southern California. For clients located within 2 hours, I can drive to meet you (sometimes same day, schedule permitting). I'm also happy to work remotely. I'm a US Citizen and have held a security clearance, though it is no longer active. The foundation of every successful project is good communication. If you have a project that needs to be done well, then let's communicate!

    $95.00 /hr
    786 hours
    5.00
  6. Artur Stolear

    Artur Stolear

    Browser Extensions, Chrome Extensions, Firefox Addons, JavaScript

    Moldova - Last active: 1 day ago - Tests: 8

    Front-end developer since 2008, very like to write JavaScript and rich HTML5 applications. My current focus is on Web Apps and escpecially Mobile Web Apps. On my work in Professionali.ru I developed our own JavaScript framework for easier team development. Lot of things was done about performance optimizations and complexity structure of our site which now became Application. Now I am looking for new expirience and interesting projects. * JavaScript (Front-end) lead and JavaScript architechture developer at Professionali.ru (Russian analog of LinkedIn) since February 2012. * Speaker at jQuery Russia conference in October 2013.

    $49.00 /hr
    293 hours
    5.00
  7. Sergey M.

    Sergey M.

    Software Engineer | Master's Degree in Computer Science (MSCS)

    Belarus - Last active: 1 day ago - Tests: 9 - Portfolio: 2

    Highly skilled Software Engineer with 5+ years of experience in developing application for customers from different parts of the world. I am an expert in API implementation. And I am familiar with wide range of technologies mainly focused on .Net C# desktop and Web applications. My strong analytical skills combining with real practical experience allow me to provide you perfect solutions in reasonable period of time.

    Groups: Application Developers Alliance, ebay...

    $33.33 /hr
    788 hours
    4.97
  8. James H.

    James H.

    Program Manager, Proposal Writer and Strategic Thinker

    Thailand - Last active: 5 hours ago - Tests: 7

    Proposal Lead and Writer, Cost Savings Technologist, Project Manager, Project Planning and Strategic Thinker. Business and Executive mentoring, personnel development and trainer. Consultancy services including: • Commercialization and Innovation • Business Transformation and Planning • Business growth strategies and development • Project Management • Risk Identification and mitigation planning • Corporate Responsibility and Sustainability • Business Capture Management • Proposal Architecting and Writing I am a recently retired experienced Senior Program Manager with over 30 years experience in the Aerospace and Defense Industry looking to help others with their projects. Specializing in program management, technical management and subcontract management team leadership. I have led program management development programs that has trained and certified program managers for large aerospace company. I have led large proposal teams for management and cost volumes for proposals with value greater that $250M USD. Relevant background and program experience in defining and managing the work scope for subcontracts and teammates in large distributed development environments. Strong managerial skills with proven success in project definition, project planning, negotiation and execution Earned Value Management Systems. I am a proven highly effective team leader with excellent interpersonal, coaching and mentoring skills, communication, and team building skills. I am an experienced and trained Black Belt-Six Sigma Facilitator. As my profile shows I currently have oDesk contracts with five major IT companies that utilize my skills and expertise to assist with project management and proposal writing consultancy. I had a past client who has left me somewhat questionable feedback due to unhappiness he experienced. I learned from this experience to only communicate with the hiring client on proposal requirements. He had delegated daily communications with an employee of his who provided conflicting guidance. I followed his employee's guidance, which wasn't the strategy that the hiring client had. Let these four active oDesk contracts and my past experiences be your guide on my abilities and experiences. Linked In Profile: http://www.linkedin.com/in/jhoxsie

    $33.33 /hr
    1,540 hours
    4.95
  9. Parameswaran M

    Parameswaran M

    Java EE/SugarCRM Specialist

    India - Last active: 3 days ago - Tests: 5

    • 8+ years of work experience with 7 years of extensive experience in developing Complex Web applications in PHP and Java EE • Expertise in PHP/Javascript/HTML 5/Node JS/Angular JS • Received many awards for outstanding performance and enthusiasm • Very Strong in fundamentals, and has handled various training sessions and webinars on web development topics

    $50.00 /hr
    403 hours
    4.98
  10. Aleksandr S.

    Aleksandr S.

    PHP / Symfony / Zend / MySQL / jQuery / 12 000+ oDesk hours

    Russia - Last active: 1 day ago - Tests: 7 - Portfolio: 3

    I started extensive programming work about 19 years ago. I have successfully completed many complex projects such as corporate web and e-commerce sites, social networks, intranet systems with using PHP, Symfony, Doctrine ORM, Propel, Zend, cakePHP, javaScript, AJAX, jQuery, Mootols, SQL ANSI, MySQL, MS SQL, etc. I have good knowledges in organization and support of technological process, team work, working with source code control systems SNV, CSV, Git, VSS, working with bug trackers, etc. I'm a quick study and my technical background allows me to pick up new technologies easily. I am looking for an interesting project where I can give major input into the project success.

    $30.00 /hr
    12,987 hours
    5.00