Top Upwork Freelancers

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  1. Christian Londono

    Christian Londono

    Mobile and Web Developer.

    United States - Tests: 1

    Christian Manuel Londoño is a recent graduate from MIT with a bachelors in Computer Science and Engineering. Christians areas of focus are web development and android application development. He enjoys working on small teams and on work that is critical. He finds pride in working on projects in which he interacts with the clients, and is able to provide a product that caters to their needs.

    $44.44 /hr
    808 hours
    4.85
  2. Steve W.

    Steve W.

    Sr. Software Engineer

    United States - Tests: 3

    I'm an experienced software developer with over 15 years experience writing code at large organizations including IBM and Motorola. My interests are in embedded development (C, C++) and Mobile App development (Android, iOS). I also have experience with web development, especially with the Play Framework. My most recent apps in the Android Market are CoCoRaHS Observer, a utility for reporting rainfall observations to the CoCoRaHS Network, and SecuRemote, a Bluetooth based utility for operating Bluetooth-enabled Garage doors and Mortise locks. I also have extensive DevOps experience and a specialization in Continuous Integration & Deployment (CI&D). I can help you with your Atlassian Stack (Jira, Bamboo, Stash) or other CI servers such as Jenkins and Hudson. Want to do branch builds and have pull requests opened up automatically? I can help. Want to setup in Amazon Web Services? I'm AWS certified and can help you get going in EC2, RDS, S3, and the rest of AWS services. I'm available for small to medium sized projects on a part-time basis.

    $65.00 /hr
    146 hours
    5.00
  3. Shamandura C.

    Shamandura C.

    Game Developer

    Philippines - Tests: 1

    I seek for opportunities to develop fun and exciting games and hone my programming, math, and physics skills in the process. I have a broad experience with Unity3D and have worked with Unigine as well. I was involved in MMORPG projects and wrote game flow, UI, networking, physics code as well as some shaders. I now work with a team developing mobile games for IOS. I am a front end developer but engage in back end code writing and maintenance as needed. I have used the following tools and languages: Unity3D, Unigine, UnityScript, UnigineScript, C++, Photon, Badumna, XM, SQL, PHP If you think I have the skills you need, please feel free to contact me.

    $30.00 /hr
    424 hours
    4.80
  4. Harsha Halgaswatta

    Harsha Halgaswatta

    Advanced Java/JavaEE Engineer

    Singapore - Tests: 1

    Well versed Java/JavaEE developer having more than 6+ years of hands on experience in Play Framework, MongoDB, RabbitMQ, SOAP, JAX-WS (WS-*), MySQL, Redis, NodeJS, Bootstrap, Spring, Hibernate, Google API, XSLT, Shell Scripts. Besides that I have done many Enterprise Integrations with e-Commerce platform with ERP and WMS using Java. Further I have contributed to many open source projects and clients in different domains. I love to use my free time in productive works helping people around. http://www.linkedin.com/pub/harsha-halgaswatta/38/a99/196

    $20.00 /hr
    238 hours
    4.78
  5. Mariusz Z.

    Mariusz Z.

    Penetration Tester, Linux/UNIX Security Admin,Intrusion Analyst, CISSP

    Poland - Tests: 9 - Portfolio: 1

    I'm Linux Security Administrator & Web Application Penetration Tester with 8 years of experience in the IT field. I'm CISSP (ID# 478556) and OWASP member. My expertise ranges from designing, building secure & robust systems to analysis of subtle software security flaws. I can help you with: - thoroughly security testing your web application (black-box and/or white-box tests) and helping in mitigating detected vulnerabilities - analyzing and assessing vulnerabilities in your application's underlying IT infrastructure - security hardening Linux/UNIX servers/clusters - recommending solutions and best practices on how to design and maintain secure AWS infrastructures - responding to security incident in Linux/UNIX environment, helping in recovery process (rootkit detection, malware removal, etc.)

    $19.00 /hr
    123 hours
    4.79
  6. Rudi Grinberg

    Rudi Grinberg

    Software Developer

    Canada - Tests: 5

    Hello, I'm a passionate software developer specializing in functional programming in OCaml, Haskell, Erlang and the scripting languages Perl, Python, Ruby, and JavaScript. I always stay up to date the latest methodologies and best practices and deliver code quality of the highest class. I've been programming for a long time as a hobby (10+ years) and more recently (3+ years), as a professional. I am confident that I can complete any task that is thrown at me and I guarantee satisfaction with any code that I write. If you care about the maintainability and extensibility of your project then I am a great candidate for your project. Check out my github profile to see what I'm working on in my spare time: https://github.com/rgrinberg I've recently started a tech blog at http://rgrinberg.com Any comments or feedback is most welcome!

    $59.99 /hr
    891 hours
    4.99
  7. Devendra Patel

    Devendra Patel

    Software Engineer

    Canada - Tests: 8 - Portfolio: 1

    My objective is to complete assigned task in most efficient manner. I am here to provide my software development skill and also build trust with the clients. Quality work always comes before anything else. Now about my experience. * 8 years working experience in C++ and Software Analysis, Design and Developement * 4+ years of experience working with Qt framework on Windows, Mac and Linux. * Experience with cross compiling Qt for board using mipsel architecture and porting the Qt application to run on that board, * 3 year of experience developing iPhone apps. * Worked on designing and developing multi-threaded, modular application which runs on different hosts and communicate using TCP and UDP (ipv6) using Boost Asio. * 2 year of experience working with Perl scripting. * 1 year of experience working with BB10 platform * Worked on application communicating with webservice using gSoap. The application was created using Qt and running on Plug Computer with Debian. * Fluent in English and very good understanding of Software Development Process.

    $44.44 /hr
    2,547 hours
    4.90
  8. Andre Schaan

    Andre Schaan

    Unity3D Programmer

    Brazil - Tests: 1 - Portfolio: 11

    Im a programmer with extensive experience in Unity3D. Developing games along the last five years (Unity3D), im one of the pioneers developing games in Unity3D. My focus today is program 3D/2D games, visualizations and Apps for desktop, web and mobile devices (IPhone and Android). I've participated in more than 15 games projects, including the last work with Unity3D people on Unity3D Bootcamp (release of version 3.0 of Unity3D) http://unity3d.com/gallery/live-demos/index.html#bootcamp. In a game develop i'm know all areas of concerning games: modeling 3D, animation, but today i only just programming games. I work with gameplay, GUI / HUD / (UI) user interface, IA, Physics engines, and all necessary.I develop IA systems with sofisticated algorithms, create great shaders in GLSL, CG and do pos- processing with the best quality in worked games. In short, i try to do games with my best quality, to have satisfied clients! Best Regards, Andre Schaan.

    $27.78 /hr
    36 hours
    4.76
  9. Andrew O.

    Andrew O.

    Team Leader / Architect / Software Engineer

    Russia - Tests: 6 - Portfolio: 8

    Have ten-year experience as software engineer. Have a strong knowledge and solid understanding of relational database design, SQL, C#, ASP/ASP.NET and XML/XSLT. Also do a many others software development tools and languages when the opportunity arises. I consider myself a composed person, sociable with friends and colleagues. Have good analytical and organizational skills, have excellent learning ability.

    $30.00 /hr
    9,593 hours
    4.50
  10. Moc A.

    Moc A.

    Expert Web Developer

    Ukraine - Tests: 17 - Portfolio: 4

    Focusing on wide range of Web, Desktop, Network and Database projects I'm looking forward to getting your projects done on time. My experience is built on 10+ working years on big and small projects like Web, financial, search, warehouse systems etc. I have strong knowledge of cutting-edge technologies such as Web: Client: HTML5, CSS3, Twitter Bootstrap, Javascript/JQuery/AngularJS, Server: Python/Django, PHP/Zend Framework, ASP.NET/ASP .NET MVC General purpose: .NET Framework, Java SE, Delphi 7+ Databases: SQL (Oracle and MySQL), NoSQL (MongoDB) I'm familiar with Eclipse, Bitbucket and suchlike. At the same time I have 12 years of university level teaching on field of computer science.

    $22.22 /hr
    450 hours
    5.00