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Victor Vlasenko

Victor Vlasenko Agency Contractor

Founder and Senior Developer at SysGears

Ukraine - Last active: 3 days ago - Tests: 4

A senior developer with over 12 years of experience, focused on creating complex Java/Scala solutions. Especially efficient at software optimization and implementation of high performance computing systems. Fully dedicated to product quality, beauty of architecture and performance of the code. Technical Proficiencies: - Languages: Java, Scala, Groovy, JavaScript - Web Frameworks: Grails, Play 2, AngularJS - Frameworks: Akka, Spray, ZooKeeper - Databases: MongoDB, MySQL, H2

Associated with: SysGears
$30.00 /hr
1,118 hours
4.92
Dmitry F.

Dmitry F. Agency Contractor

iOS (including Apple Watch), Android, Windows Phon...

Russia - Last active: 10 days ago - Tests: 8 - Portfolio: 21

Tachyon Labs, Ltd. is a outsourcing company based in Novosibirsk, Russia. Our team consists of experts with many years of experience in mobile development and design for mobile platforms. Our goal is to develop unique applications for our clients just in time and for the best price. In addition, we always care about the quality of our projects. All of our products are made with love and hight attention to detail. That is why most of our clients become constant partners. We produce the most rigorous selection of our team of graduates of the best universities of Novosibirsk, our employees have specialized education in mathematics and information technology, have at least a Bachelor's degree and are able to solve any non-standard tasks. We provide the following services: - iOS application development: our team consists of experts in the field of developing applications for Apple's mobile devices, they perfectly know Objective-C and the most commonly used frameworks; - Developing applications for Android: our developers are able to create any application for phones, and tablets running Android. We use Java and Android SDK, as well as C/C++ if an application requires the use of native code; - Developing applications for Windows Phone: if you need an application for OS from Microsoft our C++ and C# developers for your services. Our highly experienced developers perfectly know all aspects of design and development for Windows Phone, including the application publishing in the Marketplace; - Web development: highly experienced PHP and Python developers ready to develop any Web services and CMS for your mobile applications, and we can always help you with configuring your server and the deployment on it; - Design: our team consists of designers with years of experience in the design of mobile applications (with strong UX) and graphics for games (2D and 3D graphics); - Porting applications: we are always ready to port an application from one platform to another; - Quality control: our QA team carefully examines all the applications developed by our company to provide you with the most stable product. We have been working on various applications: - Reference apps; - News apps; - Sports applications; - Educational apps for children; - Applications for the online stores; - Application to search for restaurants and order food; - Mobile clients for social networks; - A variety of exciting games for all age groups; - And many other types of applications. We work with the most modern technologies, our employees are always exploring new technologies and improving their knowledge, being experts in the following areas: - Platforms: iOS, Android, Windows 8, Windows Phone, MacOS X, Web; - Programming languages: C, C++, Objective-C, Java, PHP, Python, Javascript, C#, LUA; - iOS: Objective-C, MapKit, UIKit, StoreKit, GameCenter, In-App Purchases, integration with social networks, Client-Server, JSON, XML, image processing, Cocos2D, CoreGraphics, CoreAnimation, CodeData, OpenGL ES 1.1/2.0, iAd, AVFoundation and more; - Android: Java, Google Maps, AdMob, Android Billing, integration with social networks, Client-Server, JSON, XML, OpenGL ES 1.1/2.0 and much more; - Web: PHP, Python, MySQL, CodeIgniter, Symfony 2, Apache, XML-RPC, XML, JSON and more. Payment Terms For small projects (up to $ 1000), we prefer the following scheme of payment: 50% upfront and 50% on completion of the project. For larger projects we develop a plan that includes a 10-15% upfront, as well as several milestones with the exact schedule and list of functionalities to be ready at the milestone completion. And of course we are always open for discussions and are ready to offer the most convenient and advantageous for you conditions.

Associated with: Tachyon Labs, Ltd
$50.00 /hr
87 hours
5.00
Eugene Naydenov

Eugene Naydenov Agency Contractor

Expert in Python, JavaScript, SPA, PHP, HTML5, CSS...

Ukraine - Last active: 3 days ago - Tests: 10 - Portfolio: 4

Expert programmer, Scrum master, team leader. Looking for long term project on position of Senior/Lead software engineer. Preferred technologies: Python and JavaScript. I have over 5 years of experience in Python, Ruby, PHP, JavaScript, C/C++, C# and .NET (Windows Forms, WPF, WCF, ASP .NET), Java development. I also have a wide experience in the following areas: AJAX, SPA, SQL, OOP and OOD. I have skills of working with NoSQL and SQL-based databases such as MongoDB, Redis, MySQL, MS SQL Server, Oracle, FireBird, PostgreSQL, etc. Have good experience of writing the Node.js applications. Proficient in working with cloud solutions such as AWS. Past 3 years I've been working primary in a web-development area on position of lead software engineer with responsibilities of * Project and team management * Web application development * Testing of web application and its components * Reliability, security and performance of the server and the application You can find my CV in this document: https://docs.google.com/document/d/1lYhvx_Ugo1YPPquT8gTHqDx0ebxYZYOZ-GEQX8Nyepw/edit?usp=sharing

$45.00 /hr
6,673 hours
4.98
Sergiu Badan

Sergiu Badan Agency Contractor

Linux / FreeBSD System Administrator

Moldova - Last active: 1 month ago - Tests: 3

I am working for over a year in one of the best companies in Eastern Europe specialized in remote server management and administration. During this period I earned a rich experience as a system administrator.I have knowledge of:Database Administration (MySQL, PostgreSQL);Firewall Configuration (In Linux/FreeBSD);Web services configuration (Apache, Nginx and others);OpenVPN setup and configuration;LAMP server setup and configuration;Mail Services management (Exim, Sendmail, Qmail, Postfix);Virtualization (OpenVZ, Virtuozzo, Xen, VMWare);Security auditing;Shell Scripting (BASH).

Associated with: Profservers.com Agency
$30.00 /hr
6,270 hours
5.00
Oleg K.

Oleg K. Agency Contractor

Senior VoIP/Linux/Network Engineer (dCAP, CCNA, IT...

Russia - Last active: 3 days ago - Tests: 6

I am a Senior VoIP/Linux/Network Engineer (dCAP, CCNA, ITIL certified). I do have experience and offer my services in these areas: VoIP: Asterisk, FreePBX, Elastix, A2billing VoIP Security & Tuning VoIP Integration Network Administration: Cisco, HP System Administration: Linux (expert), BSD*(proficient) Network Monitoring & Management: Zabbix, Cacti, NOC Mail services: Postfix, Exim, Dovecot, Cyrus, Spamassassin Virtualization: Qemu/KVM, OpenVZ, Proxmox High availability: VRRP, CARP, DRBD, GFS2, GlusterFS, cman, Pacemaker Common services: DNS, DHCP, File Sharing, NAT, iptables, ipfw Scripting: Bash, Python Web servers: Apache Database servers: MySQL, PostgreSQL Etc…

Associated with: NemBit
$36.00 /hr
278 hours
4.98
Alex Lisogurskiy

Alex Lisogurskiy Agency Contractor

PHP/MySQL/Android developer

Ukraine - Last active: 20 hours ago - Tests: 3 - Portfolio: 10

Creative, highly organized and responsible programmer is looking for freelance/regular work in Web development! I've developed websites using PHP/MySQL on LAMP platform. There were totally new projects, as well as customized CMS scripts like Magento, Prestashop, Wordpress and so on. For my own projects I prefer to use YII/CodeIgniter frameworks with jQuery/Ajax. You won't be disappointed with the results.

Associated with: 3AT Dev
$50.00 /hr
7,110 hours
4.96
Dimitri D.

Dimitri D. Agency Contractor

Game Designer

France - Last active: 20 hours ago - Tests: 5 - Portfolio: 4

I fell in love with videogames with (Super) Street Fighter 2 in 1994. Since then, I’m obsessed with games creation in all its forms and platforms. What I particularly like is testing and iterating new systems and the teamwork process that transform a simple idea into a finished game. My goal is to build a long lasting relationship with my clients. Key Skills - Rational Design : Difficulty Balancing, Rythm, Variety Distribution and Player Progression. - Game Mechanism : Creation, iteration and balancing - Versatile : Able to fit in different places with the same motivation and willingness to learn, no matter the type of game or Team Size - Management : Able to organize, manage and motivate people to work toward a same goal. Monetization : Elaboration of economic model, Data mining analyze.

Associated with: Amerald Inc Agency
$35.00 /hr
3,875 hours
4.99
Sergei H.

Sergei H. Agency Contractor

Senior PHP / JS developer

Ukraine - Last active: 20 hours ago - Tests: 4 - Portfolio: 2

Senior PHP developer and architect with 10+ years of PHP development. I have a good experience of social networking development (from scratch). I know, how to build highload sites, how to build single-sign on, how to integrate with other social networks and develop API for mobile devices. CEO of thePHPGuys.com, available as individual developer and as PM / TeamLeader. Perfom development, analyzing, refactoring and management. - Deep OOP / MVC / MVP / HMVC understanding - PHP 5.3.x / 5.6 usage (namespaces, traits etc.) - Kohana framework, ORM(s) (like Kohana ORM / Jelly ORM) - Symfony 2 framework / Doctrine ORM / Doctrine ODM - CodeIgniter framework - MySQL / PostgreSQL / MS SQL / MariaDB knowledge, RDBMS arch. planning and support - Highload projects ( 200 000 + hosts per day / 2m pageviews) - Memcached / APC / WinCache - phpExcel / wkHtmlToPDF - Node-FFI / php-FFI experience - SOAP / RPC, AJAX / JSON / XML / YAML - PHP performance optimization for Linux / Windows - Deep JavaScript knowledge ( jQuery, Ext.JS, Prototype) - Node.JS knowledge, highload API development by using Node.JS - Deep ExtJS 3.x / 5.x knowledge, Sencha Touch 1.x / 2.x (minor), Phone GAP - MongoDB via PHP / Node.JS drivers - Experience with Graph API (Facebook), PayPal API, vKontakte API, Mail.RU API, Linked IN API, contributed to HybridAuth OpenSource project and other third-party APIs. - Mandrill API experience; - html tidy / html Purifier / KSES ( crawlers and parsers creation experience ); - Virtual Buckets sharding strategy for social networking; Portfolio includes: - Content Management Framework development; - Social Network development ( friends, mututal friends, personal newsfeeds); - Dating service; - Multiuser online chat system (long pooling / websockets / node.js) - Online browser-based game ( server-side, ajax) + some of client side (canvas). - Highload newsfeed site (inluding editorial back-office); - Dozen corporate websites and personal homepages; - Websockets, JSONp

Associated with: ThePHPGuys, InVooDoo
$33.33 /hr
448 hours
5.00
Petr P.

Petr P. Agency Contractor

Experienced web developer

Czech Republic - Last active: 20 hours ago - Tests: 6 - Portfolio: 1

I have over 6 years of experience in web development using various programming languages and techniques. I worked for small local companies as well as for a huge international one. I believe communication is a key to a successfully completed project. I always try to keep my client's updated and discuss further steps with them if appropriate.

Associated with: Backend, Inc.
$49.99 /hr
2,289 hours
5.00
Alexander Kaydansky

Alexander Kaydansky Agency Contractor

PHP, MySQL, AJAX, JavaScript Programmer. RusCoder...

Russia - Last active: 1 day ago - Tests: 4 - Portfolio: 9

oDesk provider since year 2004. PHP and related web programming is my specialization for about 15 years. Cooperation, reliability and responsibility are important for me as well as program coding. I manage an efficient full stack team of talented developers. Together we are able to provide both front-end web design and back-end server coding in order to design, code, deploy and maintain a fully functional website.

Associated with: FC Agency
$30.00 /hr
10,072 hours
5.00