Web Mobile Software Dev Freelancers

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  1. Harold R.

    Harold R.

    Expert JavaScript, jQuery, Backbone.js, HTML5 web app developer

    United States - Last active: 1 day ago - Tests: 2 - Portfolio: 11

    I'm Harold, and I develop web applications. The best part about working with me is that I focus on exceeding your expectations, blowing past just meeting your needs. I'm a little pricier per hour than other contractors, but you'll find I'm worth every penny. I get things done, and I'm extremely good at realizing new features with maintainable code with a quick turnaround time. My native language is English. I'm also fluent in Spanish, Italian, Portuguese, and basic French. I live in Boston, MA. Drop me a line on Upwork; I'd love to provide free insight into what you're working on!

    $185.00 /hr
    451 hours
    4.75
  2. Julieta Martinez Leanes

    Julieta Martinez Leanes

    Expert Graphic Designer and Art Director - Branding, UI, Web and Apps

    Spain - Last active: 2 days ago - Tests: 3 - Portfolio: 7

    http://www.zeroestrella.com I’m an Argentinian Graphic Designer with more than 10 years of experience, working in Advertising Agencies, Design Studios and as a freelance in my own personal Studio Zeroestrella. Currently living, loving and learning in sunny Madrid, Spain. Over the last years, I have designed a wide range of websites using Photoshop. I'm very responsable with my work and take projects very seriously with a lot of enthusiasm. Clients are always happy to work with me and most of all they are very satisfied with the quality of work I can deliver. I help each client materialize ideas into unique, original pieces considering the project’s goals and the audience.

    $35.00 /hr
    82 hours
    4.90
  3. Alexey Pechnikov

    Alexey Pechnikov

    Computer Vision & Simulation, Algorithms & Statistics, GIS

    Russia - Last active: 1 day ago - Tests: 6 - Portfolio: 7

    I have a Master's degree in radiophysics and electronics. In addition to fundamental mathematics and physics knowledge I specialized in computer simulation and computer vision technics. My experience ranges from research to applications. I prefer simple solutions and reliable technologies. I make compact and fast applications having a vast background in producing firmware for embedded devices with relatively small RAM, slow CPU, and very long uptime. Cross-platform programming is not hard, it is the only way :) In addition, I am expirienced in full-stack development: C programming of RDBMS (SQLite), server-side programming (C/Tcl/shell scripting/etc.), client-side programming (Tcl/Tk), web programming (JavaScript, jQuery, HTML5, css), mobile programming (PhoneGap).

    $49.99 /hr
    305 hours
    5.00
  4. Adrian T.

    Adrian T.

    TOP RATED Graphic Designer | UI/UX | Website | Badass Creative

    Argentina - Last active: 1 day ago - Tests: 17 - Portfolio: 5

    TOP RATED!! Since 1985 designing and coaching companies of all sizes and industries. My passion and dedication have been rewarded with 26 international awards, Including New York and London Festivals. From everlasting logo design to the most complex UX mock ups and UI crafting, I am as enthusiastic as the first day. I am detail oriented (very picky) and deadline driven. I add value to my work by providing new insights, vision and ideas. I see the big picture even when clients assign me a very specific detail of a work. I am a natural out-of-the-box thinker and creative problem solver. Before applying a traditional method I push the boundaries to let the innovation gain terrain. HIRE ME NOW! You will never let me go! Do it before I become more expensive!

    $50.00 /hr
    663 hours
    4.90
  5. Rodrigo De Março

    Rodrigo De Março

    Freelancer Creative: Art direction & Design

    Italy - Last active: 2 days ago - Tests: 4 - Portfolio: 41

    Branding / Editorial / Promotion / Advertising Motivated and curious Creative with 12+ years' experience in Design & Advertising. I am hardworking and a fast learner with good communication skills and a strong design background. Graduated in Advertising in Sao Paulo (Brazil) I also hold a Master on Graphic Design by the London College of Communication, part of the acclaimed University of the Arts London, graduating with Merit honours with a design research about the use of graphic signifiers to sell tradition into product labels. My most recently works include the launching of Clinique's concept store in Brazil, the book design for the acclaimed author Mark Bittman who writes the weekly column "The Minimalist" for the New York Times, MAC Cosmetics catalog, AOC campaign and 22 book covers launched on 2012/2013. Beyond those clients I have also worked to Novartis, GlaxoSmithKline, Estee Lauder, SmashBox Los Angeles, Haagen Dazs, Danone, Pillsbury, Warner Bros, HTH and many other brands.

    $61.11 /hr
    1,244 hours
    4.97
  6. Sergey Lalov

    Sergey Lalov

    Corona SDK, iOS, Android Game Developer

    Russia - Last active: 1 month ago - Tests: 3 - Portfolio: 12

    Expert in Lua and Corona SDK. Developing cross-platform mobile apps and games. iOS (iPhone, iPad) and Android. Earned Corona Ambassador title. Advanced skills in making native plugins for Corona Enterprise (Objective-C, Java, C). Using Go and Google App Engine for backend development. Great programming background: C, Python, JavaScript, PHP. Expert in networking: TCP, UDP, HTTP, REST, JSON, etc... Expert in Linux based OS (Ubuntu Server is preferable). Advanced skills in Graphics Design - Photoshop, Pixelmator and iDraw. My website - http://spiralcodestudio.com/

    Groups: Corona Labs

    $55.56 /hr
    658 hours
    5.00
  7. Joanna D.

    Joanna D.

    Experienced Developer: C# .NET,WinMobile/Forms,ASP.NET,LINQ, SQL

    Trinidad and Tobago - Last active: 2 days ago - Tests: 10

    I have a wide range of Software Development and IT experience covering all stages of the project life-cycle; end-end process and requirements analysis, through to implementation and customer support. My development background includes 12 years experience in C (3 in C++) on both Unix and Windows, 5 years in Web-development (mostly C#, ASP.NET, JavaScript), 10 years in database development and administration using Microsoft SQL Server/T-SQL, 7+ years in .NET and C#. I have a Master of Science in IT in 2009 and a BSc.in Geology. I have thirst for knowledge and am constantly learning new skills! Currently, and for the past 6 years my focus is on C# and .NET development, notably: -- Windows Mobile/integrated WinForms Desktop Business Applications using .NET Compact / SQLCE on WiFi-enabled devices(e.g. RFID/Barcode scanners) -- database-driven web applications using ASP.NET, WebForms/MVC, Ajax, LINQ-SQL I am a logical and analytical thinker - and a bit of a perfectionist (!) - who is dedicated to providing quality solutions; when the client is happy with the results I produce, I am happy. My varied experience in IT supports well my natural diagnostic ability and love of problem-solving; I enjoy devising innovative methods/algorithms to improve efficiency and performance. My areas of interest include: anything related to science, AI, SOA and client-server architecture solutions. http://tt.linkedin.com/in/jayd2010

    Groups: Application Developers Alliance

    $33.36 /hr
    1,861 hours
    4.88
  8. K thomas L.

    K thomas L.

    Analog and Digital Designer - Over 20 yrs. Exp.

    United States - Last active: 16 days ago - Tests: 2 - Portfolio: 2

    Experience in small signal analog design, sensor interfacing, signal conditioning, sensor applications, data capture and analysis, digital design, microprocessors and small FPGA based systems. I have over 20 years experience developing ideas and bringing them through the design process to a finished product. I develop entire systems, including power, mechanical, optical, and software aspects. I excel in small, innovative designs using new technology. I design for durability and dependability coming from a background of experience in designing for harsh environments, high volume production lines, medical, and space applications. I have design experience in serial communications, optical systems, rf communications, programming, DSP hardware and software design, PC board design and technical writing. I offer my services to take your idea and bring it all the way to production, or to fill any need in the process. I am also available for consulting, helping you to refine your ideas into something that is both manufacturable and functional.

    $70.00 /hr
    2,533 hours
    5.00
  9. Jesse Ratterree

    Jesse Ratterree

    Composer / MVC5 / PHP Symfony / SQL / AWS / .NET / NoSQL / C#

    United States - Last active: 3 days ago - Tests: 2 - Portfolio: 1

    I'm a composer and sound engineer with over 15 years experience playing in live bands and producing music for various projects. I have produced over 70 professional songs in 2014 alone. Just take a look at my feedback and you’ll quickly see why I’m one of the top 1% contractors on oDesk. I'm currently the 'go-to' audio guy for several developers who make iOS/Android games. I am one of the most affordable composers you will find. 

I'm also a full time freelancer. That means I'm not doing this on the side so you'll get the quickest turnaround imaginable. Published Games:

 Playground Wars – Glowdot Productions (music) iOS: https://itunes.apple.com/us/app/id658021920?mt=8 Android: https://play.google.com/store/apps/details?id=com.glowdot.PlaygroundWars Cognitile from Express Media (SFX / music / voice / levels)

iOS: 
https://itunes.apple.com/ie/app/cognitile/id583279641?mt=8&ign-mpt=uo=2 Android: https://play.google.com/store/apps/details?id=com.expressmedia.cognitile

 AquaDude from Vortex Gaming (SFX and Music) 
https://play.google.com/store/apps/details?id=com.vortexgaming.aquadude
https://itunes.apple.com/app/aquadude/id542501084


 RoboHero from BravadoWaffle (music/sfx)
 http://itunes.apple.com/us/app/robohero/id494449491?mt=8 (free download) 

WOMBI Detetcive from Wombi (music/sfx/voice talent)
Trailer: http://www.youtube.com/watch?v=PB3V48PkKSs&feature=plcp
 https://itunes.apple.com/app/id555605455

 https://play.google.com/store/apps/details?id=com.wombi.wombidetective World 1-1 from Headlights games (Music)
https://itunes.apple.com/US/app/id605385905?mt=8&ign-mpt=uo%3D4


 Melon Dash (unity/web game) (sfx)
http://www.melondash.net/Alpha/WebPlayer.html


 Fealty from Asmadi Studios (music only)
http://itunes.apple.com/us/app/fealty/id475252758?mt=8

 Swipa Dollar from Memfry Games (music/sfx)
https://itunes.apple.com/us/app/swipadollar/id555098379?mt=8


 Taking Shape from Darshin Studios (music/sfx)
http://itunes.apple.com/app/id540034505

 Diamond Gems from Balloon Island (music/sfx)
https://play.google.com/store/apps/details?id=com.balloonisland.diamondgems

 Fish It from Apptoyz (music) 
http://itunes.apple.com/us/app/apptoyz-fish-it/id543548989?mt=8

 Quiz App from Apptoyz (music/sfx)
http://itunes.apple.com/us/app/apptoyz-appquiz/id543869288?mt=8


 RhythmFourBeat from FourBeat (music/sfx)
http://camp-fire.jp/updates/view/1343

 SFX/Music Example: https://www.youtube.com/watch?v=XY2v154qVV8&feature=player_embedded




    $33.33 /hr
    2,967 hours
    5.00
  10. Bogdan B.

    Bogdan B.

    Sr Linux System Admin (Nginx, Magento, Percona, Mongo, Redis, MySQL)

    United States - Last active: 1 day ago - Tests: 2 - Portfolio: 5

    - Linux maintenance/troubleshooting (RHEL, Centos, Debian), - Cloud hosting (Amazon EC2, AWS, S3, Digital Ocean), - Networking (dhcp, DNS:powerdns/bind/named, vpn: openvpn/pptp, firewalls: iptables/ipfw, qos, proxies), - LAMP/LNMP Stack - Mail servers (exim, postfix , antispam/ antivirus: clamav/spamassassin/amavis, courier, dovecot), - Bulk marketing (DKIM, SPF,DMARK,ADSP, high speed/inboxing, Interspire, PowerMTA), - Automation (puppet, shell scripting), - Automation Deployment (Capistrano) - Monitoring (nagios,Icinga, zabbix,Cacti,Graphite), - Magento System Performance Optimization - Wordpress Performance Optimization - Mysql Perfomance Optimization, Replication - Full Disk Encryption / Remote Unlock /PXE unlock (Luks/DiskCryptor) - Load Balancer (haproxy)

    $38.89 /hr
    268 hours
    5.00