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Christian Gutierrez Sierra

Christian Gutierrez Sierra

Real Time Driven Developer

Colombia - Tests: 3 - Portfolio: 2

I have been working on several fields of technology, starting with Unix Servers Management for differents services including VoIP with Asterisk in which I developed many solutions using Dialplan, Asterisk Gateway Interface and Asterisk Manager Interface. I developed many scripts using Bash Scripting, PHP and Python. I had used MySQL, PostgreSQL, SQLite, Oracle and MSSQL. I decided to move to development and I started developing Web Applications with Java and PHP. I met Node JS developing a RealTime Web Application and using the Express framework, MongoDB and connected to Asterisk Manager Interface. I have been working with Node JS from this moment. Currently I'm working with Python using Django framework, NodeJS with Coffeescript and Javascript connected to several backends like Celery Framework, RabbitMQ, Redis, MySQL, etc.

$30.00 /hr
2,837 hours

Nguyen V.

Nguyen V.

C/C++/.NET Developer

Vietnam - Tests: 7

I am a real software engineer, I write programs for programmers, not computers. Over the last 9 years, I have developed a wide range of applications using C, C++, C#, Python, Perl, Java on Windows, Unix, Linux platform as well as developing software tools and some handy scripts. I also have some experience in the following areas: C, C++ (C++98, C++11, C++14), Bash, SQL, PL/SQL, POS, ATM protocols (NCR, ISO8583...), SMS, SMPP, SMTP, POP, SNMP, Human Interface Device (HID), VISA/MC Interface, Thales HSM, Video Processing, MPEG-2 TS, HLS, DASH, Wireshark Dissector, Subversion, Git, Clearcase, Oracle, MySQL, CVOPS framework, PyQt, Scrapy framework, OpenSSL, RSA Cryptography, HTTrack, FAT32, NTFS... I'm fast learner and keen to learn new technologies. I'm looking forward to work with you!

$25.00 /hr
377 hours

Mr. Sahil

Mr. Sahil

Sr. Android/Java developer

India - Tests: 6 - Portfolio: 10

"I believe in quality work not quantity work" Over the 8 year I have successfully completed many Java and Android development projects as well as have the ability to handle Multiple projects and Issues, Ability to Prioritize Multiple task, Ability to work both Independently & Collaboratively with Excellent Communication. ----->>>>> Java Division <<<<<----- I have worked on following Java frameworks: -> Log4j2 -> Aspectj -> SpringAOP -> Spring Integration -> Apache Apollo -> RabitMQ -> Elastisearch -> SDL -> LWJGL -> JOGL -> OpenGL3 -> -> Spring Hateos -> Struts -> GSON -> Protocol-Buffers -> Guava Lib -> Polymer-Project(HTML/CSS) ----->>Server I worked on<<----- -> Tomcat -> Jetty -> Jboss7 -> Wildfly ----->>Open Source Projects<<----- --> Calotes : Licensing management app. Add licensing to your open source app. --> ProjectXplorer: Shows the (percentage/Number Of Lines) of each language used in the given project --> Waiting Pane: Custom Swing element to block all the events on a Swing Components while background work is in progress. Simple and easy to use. Custom messages can be printed and is responsive in nature. --> Pranks: Includes various pranks that I used to tease my friends. --> Projectile: It was made to demonstrate/teach students how projectile works. --> Ubuntu-Edge : This is a kind of desktop gadget. It was written when the funding of Ubuntu Edge was in progress. It was made to track the progress of the funding of the project. ----->>Closed Source Or Confidential<<----- --> DBXplor: Database migration Software Support for over 20+ databases. Uses only JDBC and and Database drivers. It was made to demonstrate the power of JDBC 4.0 --> Custom/Standalone jetty launcher for desktop/small webapps. --> Native Installer and launcher for desktop java apps. Apart from the above listed projects I have worked on much more projects under Non-Disclosure Agreements ----->>>>> Android Division <<<<<----- As you might guess, I am a fast learner and creator. I know how to manage a Android application from the development, design, marketing, to the publication on Store. Android Frameworks: -> Push notification (GCM,c2dm, Urbarn airship, Parse...) -> Bar code scanner, QR Code scanner -> Upload or post data(images,video,) to server. -> Social APIs like Facebook, Twitter,LinkedIn, sharing..... etc. -> PDF: MuPDF library, YouTube API -> Advertising framework : AdMob I use various distribution of linux (Ubuntu, debian, redhat, Arch etc..) , Mac OS and Windows. So contact me if you find my skill set best fits your needs. Contacts: Skype: hocrox.infotech

$20.00 /hr
158 hours

Maxim A.

Maxim A.

C++/C#/Java Developer

Ukraine - Tests: 4

Hi everybody! I'm experienced developer from Ukraine. I'm writing a quality source code. My applications is using design patterns successfully. My source code is lightweight, flexible, easy to understanding. 10 years experience in a development of applications using C#, C++, Objective-C, Java, PHP, and MSSQL/MySQL/PostgreSQL/Oracle Stack of programming languages: Desktop Application (Windows): C# (with C++ for performance) Web-sites: PHP, CGI(C++), ASP.NET Web application/services: Java, ASP.NET Sometimes I'm developing mobile application for IPhone, Windows Mobile. My experience is advanced in the following area: - Multi-threading programming. - XML technologies - WPF (MVVM) - Socket programming - Autogeneration of source codes As unit-tests framework I'm using NUnit and JUnit I like the Scrum methodology and I try to use it. I have a following infrastructure (it ready to use in your project) Bug tracking: Jira Continuous Integration: Hudson (nightly build, autotest) Version control: Svn, Git Autotests engine: Robot Framework We make business together :)

$27.78 /hr
579 hours

Cool Guys Group

Cool Guys Group

Expert Mobile Developer (iPhone/iPad/Android)

China - Portfolio: 4

"Lets go invent tomorrow instead of worrying about what happened yesterday." We are a group of professionals determined to provide high-quality products with the focus on customer satisfaction and return-on-investment. We have lots of experiences in many areas of software development such as mobile applications and back-end services. We aim to extend our services to clients worldwide and gain experiences in mobile development. We offer quality work and good communication and deliver on the dot. Quality should never be compromised no matter how big or small a task is. Our CORE competencies lie on social networking, video streaming solution, 2d/3d game development, wearable & fitness services. We are seeking for opportunities to build the app from ground for you and your business.

$27.00 /hr
0 hours

Ilya O.

Ilya O.

Android Developer

Russia - Tests: 3 - Portfolio: 2

Reasons to hire me: * my goal is a satisfy you needs due to my specialty * actually i like my work * highest quality * I am friendly and sociable Skills what i have: * Programming Languages: Java, Python, Ruby, Lua * Android Development skills * Git, Subversion * Setup linux software and services * System administration

$5.00 /hr
3 hours

Nikola Prokopic

Nikola Prokopic

Software Engineer


I have a Bachelor degree in Electrical Engineering with specialisation in Computer Science and Engineering. Currently I am finalising Master degree in Information Technologies. I can cover multiple software development areas, especially .NET and PHP related topics. My working hours are quite flexible, since I have been working with clients from different parts of the world and time zones, from Australia, Hong Kong, Indonesia, Singapore and etc. to United States, Canada and Brasil.

$15.00 /hr
0 hours

Rashid Ali Khan

Rashid Ali Khan Agency Contractor

Senior Software Engineer (DOTNET)

Pakistan - Tests: 6

I have been developing systems in .NET Technologies for last 7 years. I have participated in the development of both web and desktop based applications of variety of nature. I took part in the development of reporting module of a product named eTarget which is a CRM based application used by various clients in UK. I have also developed a utility which is currently in use for synchronizing the data of two databases to enable desktop application and website to work on the same data in parallel. I have also participated in the development of web based system for Pakistan Customs, which is currently in use, by using ASP.NET and SQL server 2005. I have mainly used C# and VB.NET as programming language, .NET as framework and SQL Server 2000/2005/2008 for databases. I can handle the projects which involves development in C#, VB.NET, ASP.NET and SQL Server 2005, 2008.

Groups: AspDotNetStorefront

$17.78 /hr
9,490 hours

Vishal Singh

Vishal Singh Agency Contractor

Your Dream Our Passion


MobiAppSolution is an immensely focused and a complete service global digital organization. We specialize in providing mobile application , web designing and software related services. We have a strong and committed approach to deliver effective and efficient business solutions. This approach has not only helped us to build the best client relationships but also a healthy book of business in the market. Our vision is to become a leading global agency by providing world class services and ensuring product delivery success. Our dedicated task force energizes and works to achieve the vision. MobiAppSolution

$9.00 /hr
151 hours

Dimple J.

Dimple J. Agency Contractor

Java,GWT,J2EE,Android,HTML5,GAE,SenchaTouch Web Programmer

India - Tests: 2 - Portfolio: 2

I have worked on a number of programming projects over the last 4 years ranging from full website development to small programming jobs like building independent widgets in GWT, modifying the design of websites, finding quicker ways to load the sites. I am always willing to learn technology in faster manner. I am also well in terms with CSS, OOPS, testing, GIT, SubVersioning tools and few more.

$16.67 /hr
383 hours