Twitter Freelancers

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  1. Max Khlystov

    Max Khlystov Agency Contractor

    Full-Stack Developer

    Russia - Last active: 1 day ago - Tests: 2 - Portfolio: 10

    Professional area: Project Management, Startups, ERP, IT Security, Banking Software, CRM Systems, Web Engineer, Software Development, API Development, Dev/Ops, High performance and High availability services. Key skills: - Python (Django, Flask) - Java (Spring, Play, Hibernate, Android) - PHP (Laravel 3-5, YII 1-2, CodeIgniter, Zend 1-2, Symfony, CakePHP) - JavaScript (jQuery, AngularJS, NodeJS, Backbone.js, Ajax) - Ruby (Rails 3-4, Sinatra) - SQL / NoSQL (Cassandra, Redis, Mongodb, MySQL, PostgreSQL) - C/C++ (Qt, Android NDK) Glad to join large, long-term projects. Always open to learn and start using new language / technology / API.

    Associated with: Techies

    $22.22 /hr
    1,013 hours
    4.87
  2. Yevhen Sydorov

    Yevhen Sydorov

    HTML/CSS/Twitter-Bootstrap

    Ukraine - Last active: 1 day ago - Tests: 4 - Portfolio: 1

    Over the last one year, I have developed a wide range of websites using HTML, CSS, PHP, and Bootstrap including sites for startup companies and small businesses. My core competency lies in complete end-end management of a new website development project, and I am seeking opportunities to build websites from the ground up for you or your business.

    $5.00 /hr
    229 hours
    4.55
  3. Ivan K.

    Ivan K. Agency Contractor

    Senior Coldfusion Developer, Dev Team Leader

    Russia - Last active: 1 day ago - Tests: 4 - Portfolio: 16

    I have 13 years experience in software development. Coldfusion is my primary area of expertise. I am focused on web application development. Here is a list of my most recent and current work: 1. Developed Hackers trap subsystem. I came up with the algorithm to protect web applications from hackers. 2. Help reduce the cost of application maintenance. There are a lot of applications with bad code quality. It leads to a lot of defects while maintenance + clients over pay for adding new functionality. I rewrote a lot of applications with clear architecture, design and code reduce the cost of application maintenance. 3. Help improve web applications performance (page loading): code optimization, sql queries optimization, changing of settings in Coldfusion Administration and MS SQL, hardware upgrades. 4. Integrated eCommerce web applications with Amazom (AWS) to upload products to Amazon, receive orders and so on. Products like Gold Rings, Stones, Candles, Clothing. 5. Integrated eCommerce web apps with eBay to upload products to eBay, receive orders, etc. 6. Integrated eCommerce web apps with payment systems like Paypal (including credit cards via Paypal), Secure Trading, SagePay, Pay4Later 7. Developed mobile version of websites using Jquery Mobile or flexible version with Bootstrap. 8. Integrated schema.org into products page for eCommerce web apps 9. Resolved issues with indexing of pages and images on Google 10. Installed and configured Coldfusion 11/IIS 8 on Win 2012 by using Coldfusion 11 Lockdown guide (Secure Installation) My previous work experience includes working with Luxoft and Gehtsoft Companies. Developed and managed applications for Boeing and FXCM companies. - 4 years in project management (up to 25 specialists in my team: analysts, developers, architects, testers); - 6 years in developers team management (up to 15 specialists in team: developers and architects); - 6 years in code development. About 40 projects with content hours from 1000 to 10000 were successfully completed. I have an advanced knowledge in SDLC (Macroscope P+ methodology). Participated in preparing projects for CMMI auditing. I provide the following services: 1. Project schedule development 2. Risk management 3. Operative team management 4. Budget management 5. Requirements development 6. Architecture and design development 7. Code development 8. Test design development and testing 9. User guide development 10. Deployment documentation development

    Associated with: Handsoft

    $55.00 /hr
    8,677 hours
    5.00
  4. Naira G.

    Naira G.

    Wordpress / HTML5 / CSS3 / Twitter Bootstrap / jQuery

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

    I am a web developer with more than 5 years of experience. I have worked with wide range of projects using Wordpress, Woocommerce, HTML / XHTML / HTML 5, Javascript / jQuery, CSS3, Twitter Bootstrap, PHP, MySQL, Photoshop. I create websites with Wordpress, including theme customisation, complete development, conversion from PSD, responsive pages development, plugin development / changes, do front-end development for html applications and websites.

    $17.78 /hr
    243 hours
    5.00
  5. Anatolii R.

    Anatolii R.

    node.js (ex. php) backend webdeveloper

    Russia - Last active: 2 days ago - Tests: 7 - Portfolio: 10

    I'm one of the 3% most active JavaScript users on github - see first link in my portfolio. I have passed nodejs test among 10% most skilled nodejs developers - https://www.odesk.com/exams/_10426641 I mainly develop scalable RESTfull NodeJS servers for native mobile or single page applications or phantomjs based webscrappers trying to keep them simple and fast. I'm proficient with MySQL,PostgreSQL, AmazonRDS, MongoDB, Redis as databases, and can use most suitable one for your project. I can be your devops for tasks of deploying nodejs applications on Centos 7 VPS/VDS servers, Amazon EC2 or Heroku Cloud Application Platform. In my work i use git,mercurial and SVN version control systems, for every job i create a private repo at bitbucket.org for (me and customer only) for feedback, bug reports and support. I have a strong background as php/zend/symfony 1.4 developer and linux user since 2002 year. My work hours is 5 PM to midnight - Moscow time.

    $33.00 /hr
    1,158 hours
    4.21
  6. Boris Sokolov

    Boris Sokolov

    Expert iOS App Developer with various mobile development experience

    Russia - Last active: 3 days ago - Tests: 9 - Portfolio: 9

    Provide the best service with detail-oriented professional with a vast knowledge of software, framework and strong leadership skills seeking to well-versed in structuring, developing and implementing interactive mobile & web solutions, assisting clients in all troubleshooting endeavors. Have developed 100+ mobile apps of following categories. - Social networking: Like & Share, Dating service, Events management, Messaging services - Finance & Business: Card reader, Budget management, Stock chart, Currency Converter, - Health & Fitness: Fitness training, Running, Bodybuilding, Health Training for women, WeightLoss, - Photo & Video: Instagram, Photo-booth style, Greeting card, Frame & Caption - Catalogues: Real-estate, Hotel & Flight, Food & Recipe booking, - Geo location navigation: Travel, Find near - Education: Language learn, Storybooks, Game for Kids - Lifestyle: Fashion & Shopping - Medical: Health care, Medical service - Health & Fitness: Workout, Bodybuilding Training, - Cinema, Music, Radio, TV, Streaming apps - News, Sports, Travel, Weather, Magazine apps -Delivering top quality with professional service -Always work with creativity and fast paced development -Devoting my full time, since this is my full time position. My major areas are xcode, cocoa, cocos-2d, twilio, storyboard, core-java, javascript, j2me, swift, NDK, eclipse, ios8, keyboard framework, ios-development, iphone-app-development, ipad-app-development, iphone-ui-design, ipad-ui-design, mobile-app-development, android-app-development, iphone-ui-design, ipad-ui-design, location-based, food & recipe, real-esate, restaurant, hotel-flight booking, nurturion, health-care, fitness, photo editing, video editing, social sharing, messaging, dating, timer/reminder app-development, ibeacon, github, basecamp, xmpp, streaming(wowza), parse, aviary, gpu, in-app purchase, gps, amazon, xml/json, rest/soap, facebook, twitter, instagram, youtube, vuforia, icloud, iAd, adwhirl, revmob, flurry, paypal, stripe

    $55.56 /hr
    385 hours
    5.00
  7. Gevorg Stepanyan

    Gevorg Stepanyan

    PHP/Yii expert

    Armenia - Last active: 4 days ago - Tests: 10 - Portfolio: 14

    Hi, if you check out my account you will find out, that I have over 5 year experience in web programmings industry. By this time I have worked on wide range of projects with international teams. I have worked on big and high performance projects (like sferastudios.com, envygram.com, etc...), and same time on small and medium ones (like licensedcustomsbrokers.com, 5vremya.ru). I am a member of DevCommunity team and I am highly qualified at PHP/Yii framework, however I'm not narrow specialised developer you can find below my other skills: 1. User Side Development Skills 1.1 HTML 4, HTML 5, DHTML, XHTML 1.2 Javascript, jQuery 1.2.1 Bootstrap 1.2.2 960GS for responsive designs 1.3 CSS2, CSS3 1.3.1 Bootstrap 1.3.2 960GS 2. Server Side Development Skills 2.1 PHP4, PHP5 2.1.1 Yii framework 2.1.2 Zend framework 2.1.3 Smarty template 2.1.4 PHP Excel template 2.2 Data Bases 2.2.1 MySQL 2.2.2 PostgreeSQL 2.2.3 SQLite 3. Desktop Programming Languages 3.1 C# 3.1.1 .NET 3.1.1 .NET/WPF

    $14.44 /hr
    316 hours
    5.00
  8. Vsevolod Z.

    Vsevolod Z.

    Python developer, UNIX Systems and Networks Expert

    Ukraine - Last active: 1 day ago - Tests: 7 - Portfolio: 2

    Computer Science Master, since 2000 successfully held positions of * Web Applications architect, Python developer and security expert; * Chief Technology Officer (CTO), * Chief Information Security Officer (CISO), * IT manager; System analyst, Solutions architect, Advisor; * UNIX systems and networks engineer (16 years of experience); Specialties Networks architect (MPLS, VLAN, internal routing protocols, BGP), UNIX OS family, Juniper/Cisco network equipment, Firewall, Network and software security (covering Payment Card Industry Data Security Standard), Network services monitoring, Backup solutions, LAMP/FAMP/BAMP/LNMP/FNMP/EBLAMP/XAMPP/XNMPP servers, Database administration, DNS, MTA, Software development, Web applications, Cloud computing, Virtualization, Load balancing and High availability clusters solutions. Practically experienced in programming (since 1993). Good knowledge of the common programming languages: C, PHP, PERL, Python, Javascript, SQL. Familiar with OOP (object-oriented programming), general theory of programming (can quickly learn any new programming language).

    $50.00 /hr
    740 hours
    5.00
  9. Sergey Makarov

    Sergey Makarov

    C Expert

    Russia - Last active: 1 month ago - Tests: 9 - Portfolio: 1

    Over the last 10 years, I have developed a wide range of applications using JAVA, C, C++, Perl, ActionScript, bash and many other technologies. My core competency lies in any audio-video streaming and content delivery. I'am seeking opportunities to build new cool applications from the ground up for you or your business. I also have some experience in the following areas: Protocols:- RTSP, RTP, SDP, RTCP, RTMP Video formats known: H.264, MPEG, MJPEG, FLV, MP4, MKV, AVI, WMV Audio formats known:- G.711A, G.711Mu, AAC, MP3, OGG, FLAC

    $33.33 /hr
    0 hours
    4.43