Top Upwork Freelancers

Clear all filters

Ivan Petruk

Ivan Petruk Agency Contractor

PHP, HTML5, JS, CMS, Wordpress, CSS3, MySQL...

Ukraine - Portfolio: 8

As a Business Development Manager, I am expanding 4TI footprint in the marketplace, a mutually beneficial endeavor based on finding solutions that work equally for both our clients and our team. Through strong relationships and targeted marketing, I leverage opportunities and create connections between talented developers and clients. Responsible for developing business opportunities.

$25.00 /hr
144 hours

Matt Miller

Matt Miller Agency Contractor

Define. Design. Take Action.

United States - Tests: 1 - Portfolio: 42

Miller Media is an online design and consultancy firm that can take your business, brand or idea from inception to action online. Whether you've already begun or you don't know where to begin, we can take you where you want to go. Every business in the world needs a strong web presence, Miller Media is here to provide.

$60.00 /hr
1,232 hours

Sunderrajan R.

Sunderrajan R. Agency Contractor

Mobile Apps and games creators

India - Tests: 6 - Portfolio: 13

I have 5 years of Mobile apps and games development experience. I have developed 50 plus apps and games. I also have 16 years of IT experience. I am PMP certified project manager. I am CEO of Mavin apps and technologies, with 30 engineers covering iOS, Android, Unity3D, cocos2dx, PHP, MySQL, HTML5, AngularJS, nodeJS, ExpressJS, MongoDB, QA and graphics. I am specialist in developing engaging mobile apps and games in iOS and Android platform with proven track record for on-time and on-budget delivery. I am well aware of the guidelines of every app store to make sure that apps get approved at one go.

$15.00 /hr
222 hours

udayamurthy Mohan

udayamurthy Mohan Agency Contractor

Android Developer

India - Tests: 1 - Portfolio: 3

I'm an Android evangelist, who looked in mobile games and Apps at my early stage. Later, I have started looking into features and developing them. I have worked on various areas of android platform including but not limited to • Location based Services • Telephony services • Push Notifications using GCM, Parse, AWS and so on • Social Media Integration with Facebook/Twitter/Linkedin/Pintrest API • Multimedia-like image/voice msg/video sharing etc • Sockets(for chatting) • Caching using Database, Files • Threading I look forward on developing Android Application that is right at the first time

$15.00 /hr
99 hours

DIWAKAR RETHINAVEL

DIWAKAR RETHINAVEL Agency Contractor

TESTING

India - Portfolio: 5

I am an experienced Software Quality Assurance Engineer working in Mavin Apps and Technologies Pvt Ltd for testing websites, web based apps, apps in desktop and in mobile environments. I have encountered different Projects with different types of system, business and methodology. I have worked with different clients, have very good communication skills. I am capable of using different bug tracking system and testing tools. "Quality is my highest priority. Always has been and always will be." "Always ready to work with any time zone that client prefers." My mission and passion is to make software applications bug free as well as ensuring the highest quality user experience. --> Capable to work in Agile Environment. --> Able to lead test team as well as write test cases, test plans, test scenarios using project requirement specification or user story. --> Expert at bug finding and open issues with proper summary, severity, priority, steps to reproduction, screen-capture, video, expected and actual results. --> Capable to maintain proper communications with corresponding developers and all responsible project managers within the team. --> Always Trusted and Respective with clients. Service Description: I offer Testing services and Quality assurance activities to clients for assisting their Software process to be defect free and their system will meet its objective through V&V process and also Exploratory testing. Manual Testing service to check your software manually based upon: --> Functional Testing --> Usability Testing --> Regression Testing --> Integration Testing --> Compatibility Testing --> Database Testing --> Beta Testing Project Management Skills : --> Requirement gathering and Analysis, --> Test Plan and Test Case preparation, --> User Manual Design, --> Able to manage development and Testing Team, --> Test Documentation.

$8.00 /hr
125 hours

MUTHU SABARINATHAN RAJAKUMAR

MUTHU SABARINATHAN RAJAKUMAR Agency Contractor

Senior Software Developer - iOS

India - Portfolio: 8

I’m an accomplished iOS Mobile lead with a proven ability to lead project teams delivering projects on time with highest quality and within the budget. During the years I have understood intricate of iOS SDK migration, Objective-C to Swift migration, the power of intuitive user experience in mobile Apps and rapid deliverables. I like to keep the design simple and create components that will help me to build the App. I have worked on various domains starting with healthcare, retail, media and entertainment. My core strength is to not only deliver high quality code, but also make my team to deliver. • Creating immersive iOS Apps • Involved in various activities like Mobile App development, deployment of Apps, support and maintenance • Working with the customer to define and refine the requirements • Strategically planned the project execution to retain the team with the domain knowledge during lean time • Developed various Apps that are at various stages of development cycle • Created plenty of reusable components • Have plenty of experience in iOS programming including o Live Streaming – Audio & Video o Real time Chat with XMPP protocols o SQLite and core data o Auto Layouts o Location based Services o Push Notifications o Social Media Integration with Facebook, Twitter, Tumblr, Flickr, Instagram, Google Plus o Performance optimization o Ad Integration o In-App Purchase o Deployment of Apps in App Store

$20.00 /hr
99 hours

Riyashkan kamal

Riyashkan kamal Agency Contractor

PHP/MySQL Developer

India - Portfolio: 7

I’m an avid developer who has worked on multiple web projects that involves but not limited to • PHP frameworks like Laravel • REST Based WebServices using MySQL as my backend • Integrating with other backend custom webservices • Integrating with social media like facebook graph apis, twitter and so on • Integrating and customizing OpenFire – a XMPP based chat • Integrating and customizing WowZa – a broadcasting server • Integrating with various notification services like Google Cloud Messaging (GCM), Apple Push Notification Service (APNS), AWS (Amazon Web Services for Push Notifications) • Integrating with MBaaS Servers like Parse • Writing and deploying cron jobs to monitor the data or files and notify clients based on events • Writing nodejs based services

$12.00 /hr
99 hours

Nagarjunan D.

Nagarjunan D. Agency Contractor

iOS Application Developer

India - Portfolio: 3

✓ Around 3 years of experience in iOS application development using XCode, iPhone SDK and Cocoa Touch framework. ✓ Object Oriented Programming expertise and working with iOS SDK. ✓ Experience with advanced iOS technologies including Core Data and Auto Layout ✓ Experienced in JSON and XML parsing using NSXMLParser ✓ Developed native based iPhone applications ✓ Developed and implemented application designs based on MVC, Singleton and some more design patterns. ✓ Familiar with repository using GitLab ✓ Experience in all aspects of iPhone/iPad application development including designing for all types of screen sizes and orientations ✓ Understanding of the MVC architecture and file organization both local and online ✓ Memory and Data Management experience in both Manual Retain Release and Automatic Reference Counting ✓ Excellent communication skills, both written and oral

$15.00 /hr
99 hours

Vadim K.

Vadim K. Agency Contractor

Windows Application Developer: Win desktop, .NET, C/C++/C#, Telerik

Russia - Tests: 4

Frameworks: Microsoft .NET Programming languages: C, C++, C#, VB.NET Libraries: EntityFramework, Mono, MS Enterprise, WinForms, WPF, NHibernate for .NET, Telerik, DevExpress, Syncfusion, MFC, ATL, DirectX, Direct Show, Open GL IDE: MSVisualStudio 2013/2015 Databases: MS SQL, SQLite OS: from MS Windows XP to MS Windows 10, plus MS Windows Server 2012 Hirerussians LLC.

$30.00 /hr
262 hours

Alex S.

Alex S. Agency Contractor

C/C++ Senior Developer: Qt, Unix, DirectX, Embedded systems, MythTV

Russia - Tests: 7

A talented professional with an academic background in IT and proven commercial development experience as C++ developer since 1999. Has a sound knowledge of the software development life cycle. Was involved in more than 140 software development outsourcing projects. Programming Languages: C/C++, .NET C++, Python, Bash, Shell, PERL, Regular expressions, Python, Activescript Frameworks: Qt, MPI, .Net Framework, DirectShow, Cocoa, Xamarin, Tizen Technologies: DirectX, GDI+, VoIP, Asterisk, iPhone SDK, ActiveX/COM/DCOM, Hardware and virtual drivers, Image recognition, Video/Audio processing (recoding, transcoding, broadcasting, etc.) Libraries: FFmpeg, libmysqlсlient, MFC, IAXclient, Qt, Libcurl, libxml2, VLC, image processing libs, OpenCV, Boost, WDK, Unix kernel modules development OpenSource solutions: MythTV, Snort, and potentially everything Development Tools: Clang, GCC, WDK, Git, SVN, Doxygen, CMake, Autotools OS: Unix systems (Linux, FreBSD, Ubuntu, etc.), Mac OS X, Windows, Windows 10, Android, iOS Databases: MySQL, PostgreSQL, SQLite, MS Access, MS SQL, Berkley DB Networking: iptables, TCP, NDIS, Windows Filtering Platform HireRussians LLC. (Sibers Ltd.)

$30.00 /hr
7,107 hours