Top Upwork Freelancers

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  1. Radostin D.

    Radostin D.

    You have a problem? - I am the solution :)

    United Kingdom - Last active: 17 days ago - Tests: 8

    - PHP, Mysql, Jquery, Jquery Mobile, CSS - Wordpress - plugins, customization, themes, custom coding - Facebook Development, Fan pages/applications - Working with APIs, Facebook API, Twitter API etc. - E-commerce integration with online payment processors (Paypal, Moneybookers, Liberty Reserve, Authorize.net etc.) - Online marketing, affiliate programs, PPC - Web automation, web scraping Please don't hesitate to contact me and discuss different projects even if the requirements are not listed at my personal profile. I am open to all different kind of projects. Waiting for your projects :)

    Groups: Application Developers Alliance

    $33.33 /hr
    149 hours
    4.93
  2. Frandy Jimenez

    Frandy Jimenez

    CG Artist

    Dominican Republic - Last active: 17 hours ago - Tests: 3 - Portfolio: 10

    I have a lot of experience in 3d world, my passion are the animations, motion graphics and visual effects for television, web and film. You will find that I'm easy to work with, to the point and deliver quality. My credits range from video game graphics, television advertisements, assistant director/lead animation for television series and visual effects director for film.

    $30.00 /hr
    204 hours
    4.94
  3. Robert Thomas Sagun I

    Robert Thomas Sagun I

    Graphic Designer

    Philippines - Last active: 2 days ago - Tests: 10 - Portfolio: 9

    I am an independent graphic design professional doing logo and brand identity design including web/app/ui and print design. I started full-time freelance graphic designer in 2005 doing print design works for local small advertising businesses, small entrepreneurs in my province. My work ranges from posters to large print design, packaging/label design and logo design. Few years before 2005, I have also worked as part-time graphic designer for a politician designing campaign posters, banners, computer wallpapers, logo and ID design to it's political party. I am a self-taught designer. I respond well to a challenge and enjoy the rewards of hard work and dedication. I am an undergraduate computer science student - during my college years, I have gained knowledge and skills on HTML and CSS aside from programming languages I used to love. I follow my passion for art, design and love for my work when I begun working online full-time from 2007 doing logo, graphics and web design. I have honed my skills on logo and brand identity over the years. I also do and love painting, which I hope to continue again. Until now, I continue learning design and in the previous years I have worked further on UI design- web and mobile. I have front-end web design/development experience as well as designing mobile app UI for android and IOS devices. https://www.behance.net/bobsagun | http://bobsagun.com

    $33.36 /hr
    60 hours
    4.86
  4. Grigory Korpan

    Grigory Korpan

    Game/Software Developer

    Russia - Last active: 13 days ago - Tests: 5 - Portfolio: 10

    I'm an experienced game and software developer. I began from making 2d mobile games of different genres from kids books to classic platformers and side-scroll shooters. Then I worked at Unigine (unigine.com) on astonishing universal real-time 3D engine for games and simulations. I've worked on naval strategy game Oil Rush (oilrush-game.com) that came out for PC, Mac, Linux, iOS and Android. I've also worked on Valley Benchmark which apple uses to benchmark it's devices (unigine.com/products/valley) and other products of Unigine. Now I'm working on an iOS client for an amazing marketplace. I'm found of writing perfect code, solving challenging tasks and creating high-quality products. :) Key skills: - c++; - objective-c; - c#; - java; - uikit - opengl; - unity - cocos2d; - cocos2d-x; - box2d; - unigine; - unigine script; - flash, actionscript; - svn, hg, git; - scons; - python; - vim, xcode, appcode, visual studio;

    $33.33 /hr
    1,980 hours
    5.00
  5. Johnny Speiermann

    Johnny Speiermann

    Senior Software Localizer / e-commerce specialist

    Denmark - Last active: 17 hours ago - Tests: 7 - Portfolio: 1

    Localization Experience: I have been working in the localization business since 1994, and I have experience from all areas in localization as I have worked as software localizer, localization engineer, testing and engineering manager, and project manager in a large localization agency, and I have been involved in both localization and internationalization projects at a large Danish software company as well. Self-employed: In 2001 I started word gallery togehter with my partner. Services: * Translation and localization services related to IT. English to Danish translation. * Linguistic services including quality assurance, creating style guides and glossaries * Online marketing services like keyword research, ad translation, content creation * Experience in SEO and CRO - we have been involved in a number of webshops and know the importance of well-written content with focus on driving traffic and converting visitors to customers. CAT Tools / Translation Tools / Localization Tools: * Microsoft LocStudio * Microsoft Helium * Microsoft LEAF * Smartling * Google Translator Toolkit * Lionbridge Translation Workbench / Geoworkz * Catalyst * memoQ

    Groups: Certified Translation Professionals

    $66.67 /hr
    121 hours
    4.85
  6. Aleksandr Tolstikov

    Aleksandr Tolstikov

    Drupal / PHP expert

    Russia - Last active: 17 hours ago - Tests: 4

    Over 8000 hours on oDesk (only Drupal related). Highly motivated, goal-oriented, hands-on senior software engineer with extensive technical skills and over 15 years of experience in software development. - Expert knowledge of Drupal CMS; - In-depth knowledge of systems architecture and software design methodologies; - 10+ years of experience in web application development using PHP; - Extensive experience in relational database management systems, mainly with MySQL; - Experience in Linux systems administration; - Strong understanding of networking/Internet protocols and formats; - Experience in architecting, implementing and maintaining full-text search platforms;

    Groups: Bluehost Developers and Designers, Drupal

    $40.00 /hr
    8,422 hours
    5.00
  7. Fabio Salsi

    Fabio Salsi

    Italian Translator and Localization Consultant

    Peru - Last active: 1 day ago - Tests: 16 - Portfolio: 1

    Born and raised in Italy. All schools attended in Italy. Resident of Italy for 38 years. 19 years of experience in localization. More than 5 million words translated into Italian. I am Italian translator and language lead specialising in the localization of software, web sites, apps and videos. Passionate about IT, technology and languages, I use my expertise to create a compelling and engaging experience for Italian users. I am an expert users of several CAT tools and productivity enhancing applications.

    Groups: Certified Translation Professionals, oTranslators

    $44.44 /hr
    51 hours
    5.00
  8. Jovan Pehcevski

    Jovan Pehcevski

    Researcher, Academic/technical writer, Data and Information Scientist

    Macedonia - Last active: 7 days ago - Tests: 5 - Portfolio: 3

    As a PhD in Computer Science, I am an experienced researcher, academic writer and data and information scientist. Over the last 12 years I have gathered an extensive experience in practising and teaching the following computer science concepts: information retrieval, data mining, machine learning, database management systems using MySQL and Oracle, native XML databases using XML, DOM and SAX, web development techniques using (X)HMTL, DHTML, PHP, and MySQL, deploying web services and service oriented architectures, and tuning Apache web server for performance, security and caching. My core competency lies in academic research, data and information science, as well as writing, proofreading and editing of research papers and thesis of all academic levels. I am seeking opportunities to offer my rich professional and academic experience for the strategic growth and developmental needs of your business. My core research interests and strengths are as follows: - Focused information retrieval - Evaluation of focused and content-oriented XML retrieval - Entity retrieval and knowledge discovery - Data mining and big data analytics - Business intelligence and predictive analytics - Time-series data forecasting - Recommendation algorithms for social/news networking sites - Native XML databases, NoSQL and relational database systems - Web servers and web technologies - Web database applications and Internet programming - Web and enterprise security

    $66.67 /hr
    1,640 hours
    5.00
  9. Dmitry P.

    Dmitry P.

    Senior Ruby On Rails full stack developer

    Poland - Last active: 17 hours ago - Tests: 1 - Portfolio: 6

    I have perfect 5 star rating at another freelance site (elance.com) as well - http://goo.gl/A9OgE1 I've written my first program when I was 5 years old, for 9 years I'm doing it as my profession. I've started with PHP but for purpose of more productive work switched completely to Ruby On Rails 4 years ago and mastered my RoR skills for dozens of projects since then. I'm not afraid of challenges, very self sustainable and motivated, always deliver on time. My skills are: Program languages: Ruby On Rails, Node.js (for high load backends) Code management: Github / gitlabs Databases: Mysql, postresql, mongoDB Deployment: Heroku, Capistrano, Docker, Debian-based linux distros Frontend: HTML5, CSS3, HAML, LESS, SASS, Twitter Bootstrap Javascript: Deep knowledge of pure JS, 9 years of experience with jQuery, dozens of plugins, can work with Angular.js, backbone.js (but not specialized in) Experience with API: Paypal, Twitter , Facebook , Google, Google Maps, Shopify, Netsuite, Constant Contact etc. Issue tracking and communication systems: Redmine, Github issue tracker, slack, basecamp Here are my latest project built by me: Huge highload online marketplace - http://goo.gl/oElo0L Shopify and constant contact integration - http://goo.gl/xoU02t Site monitoring solutions - http://goo.gl/dKwaej Unique project to stresstest websites - http://goo.gl/cFhrUD

    $45.00 /hr
    1,099 hours
    5.00
  10. John McCarty

    John McCarty

    Electronics Engineer and Software Developer

    United States - Last active: 5 days ago - Tests: 1

    Background: Electrical engineer with experience in all aspects of product development from concept through production, including hardware design, software development, & system integration. Senior development & test engineer for major defense & telecom companies. Specialties: • Custom software and hardware for measurements and test automation • Software: Labview, MS Excel w/ VBA, C (libraries and console applications only) • Manufacturing process troubleshooting & root cause analysis

    $75.00 /hr
    2,436 hours
    5.00