Top Upwork Freelancers

Clear all filters
  1. Vadim S.

    Vadim S.

    C++, Java developer

    Belarus - Last active: 2 days ago - Tests: 5 - Portfolio: 2

    Having more than 8 years of experience in software and website development I ensure your success by providing top quality, responsive and fast service. I am a disciplined, passionate software developer and I love solving problems and enjoy working with small teams aiming to keep the clients happy. I want to make awesome things for awesome people. Followings are my expertise area: - full lifecycle application development; - software analysis, code analysis, requirements analysis, software review, identification of the code metrics, system risk analysis, software reliability analysis; - object-oriented design and analysis; - designing, coding and debugging; - software modeling and simulation; - database development; - performance tuning, improvement, balancing, usability, automation; - maintain and document software functionality; - integrate software with existing systems; - evaluate and identify new technologies for implementation; - maintain standards compliance; - project planning and project management. My technical skills: - php, html5, css3, twitter-bootstrap, jquery, prototypejs; - symfony, laravel, yii-framework, zend-framework; - wordpress, drupal, joomla, prestashop; - mysql, oracle-database, oracle-database-administration, microsoft-sql-server-development, microsoft-sql-server-administration, firebird, sqlite; - facebook-api, google-apps-api, google-maps-api, paypal-api, twitter-api; - java, j2ee, hibernate, spring; - c++, qt, stl, boost, mfc, atl, wtl, com; - c - test-driven development; - uml; - linux-system-administration

    $8.00 /hr
    0 hours
    0.00
  2. Babken Martirosyan

    Babken Martirosyan

    Software developer

    Armenia - Last active: 17 days ago - Tests: 5 - Portfolio: 2

    I'm professional software developer with over years of experience. If you ask me how many years of experience I have, I can't give you the exact number, as I'm in software development since I remember myself. I'm expert in C#, C++, VB, VB.NET, Borland C++, ASP.NET, ADO.NET, Web Services, JavaScript, JQuery and PHP development. I'm always passionate about quality, usability and the use of the best practices, methodologies and modern tools. I have worked in a wide range of small and large offices, companies since 1978, I have great practice, knowledge and skills, so now it's time to work on my own. I'm here and I'm seeking opportunities to build websites, web or desktop applications from the ground up for you or your business.

    $20.00 /hr
    0 hours
    0.00
  3. Jamie Smith

    Jamie Smith

    Mobile Software Developer

    United States - Last active: 1 month ago

    I have been developing mobile applications for about three years now using Xamarin and Xcode SDK's. In the last two years, I have developed three mobile Apps using Xamarin and have been involved in the entire process from Development to AppStore/PlayStore submission. I enjoy problem solving and learning new things. My passion is mobile development and during most of my free time, I am usually coding away with a new or an existing application.

    $25.00 /hr
    6 hours
    0.00
  4. Tvrtko Begovic

    Tvrtko Begovic

    Senior developer

    Croatia - Last active: 10 days ago - Tests: 3 - Portfolio: 7

    I am a senior developer with twenty years of programming experience mostly in Microsoft technologies (C, C++, .NET, C#, MS SQL, Sharepoint). Besides development, I've managed small projects, written functional and technical specifications and done customer interviews and support. I am interested in new technologies and platforms and ready to invest my time in learning.

    Groups: Microsoft Certified Professionals

    $16.67 /hr
    0 hours
    0.00
  5. Tim Morgan

    Tim Morgan

    Senior Technical Consultant

    United Kingdom - Last active: 7 days ago - Tests: 2 - Portfolio: 2

    From assisting medium sized companies manage or develop complex projects from start to finish, to helping small businesses improve their existing systems on a short term basis, I can help you solve your problems simply and effectively. Whether you’re looking for an experienced consultant to help you scope and implement a complex development project involving a large team, or simple guidance on how to improve your existing IT systems in a small business please do feel free to get in touch. Salesforce CRM (Setup, Custom Objects and Reports, Apex/SOQL code) Excel (Models, Templates, Automation, Macros, VBA Object Model)

    $40.00 /hr
    0 hours
    0.00
  6. Kirill Naumov

    Kirill Naumov

    iOS-programmer

    Belarus - Last active: 1 day ago - Tests: 2

    Strengths: responsibility, resistance to stress, ability to make quick decisions and take responsibility for them, work experience in "Novaideas", "R-style" and "Itransition" companies as iOS-developer privately and in team more than 3 years. Gained an experience in private and team projects work: -private project work: "Boxing timer" - timer for boxers and other sportsmen; "Vilki-Palki" food delivery app; "Backwords", "Icy Purple Head", "Kaboomz3" - game apps, -team projects work: "ADD-4" - GUI and logical; "RadMate" - GUI, logical, communications with server API; "IQM2" - GUI, communications with server API, JSON parse, other logical. Skills: UIKit, Foundation, social network API (Facebook, VK, twitter, google+), various maps Kit, cocoapods.

    $11.11 /hr
    0 hours
    0.00
  7. Juan Pablo Lorenzetti

    Juan Pablo Lorenzetti

    System Enginner

    Belize - Last active: 7 days ago - Tests: 2

    i have more than 10 years experience in the telecommunication field. (mostly in small companies, a 1 man IT dept.) Skills on: 1. administering and setting up platforms for services (prepaid cards, IVR, sms, etc) 2. developing software to perform tasks and/or provide services. 3. Strong background developing using open source software for different tasks/services. 4. Web development using php/javascript (jquery, etc) 5. strong knowledge in the linux OS and its tools (automating tasks, bash scripting,etc) 6. strong knowledge in the C/C++,pyhton,perl,java. 7. Integration of platforms/services. Latest projects of the past 3 years (list is too long otherwise): 1. Implemented a AAA, using open source software, for a 3G WCMDA network. 2. Implemented a company PBX with more than 150 extensions, interconnected to the PSTN with personalized scripts for the various dept within the company. 3. Implemented a 15+ call center using a virtual PBX, using open source software, the call center did not have infrastructure, the physical PBX was located at an operator and the agents used mobiles to receive calls, all features were implemented such as queues, welcome message, email sent to agents for missed calls, voicemail, after hour annoucement, etc etc 4. Implementation of different protocols to interconnect with various elements within a telecom network, such as MML interfaces for service provisioning, smpp to provide sms based services, radius/diameter to provide real time charging, etc etc 5. etc

    $25.00 /hr
    0 hours
    0.00
  8. Andrew Haluavkin

    Andrew Haluavkin

    Django (Python) Developer

    Belarus - Last active: 21 days ago - Tests: 4 - Portfolio: 3

    I have 1 year experience on Django web framework to develop websites, database driven web applications and content management systems. I am seeking opportunities to build websites from the ground up for you or your business. I am hardworking and a fast learner. Primary skills: Python, Django, JavaScript. I also have experience in the following areas SQL, jQuery, AJAX, JSON, CSS, HTML, OOP.

    $5.00 /hr
    3 hours
    0.00
  9. Terry Van Buren

    Terry Van Buren

    Systems Developer: Windows Azure, C/C++/C#, and ASP.NET

    Thailand - Last active: 1 day ago - Tests: 2 - Portfolio: 9

    Award winning technology pioneer and inventor with a passion for performance. My focus for the past four years has been on Cloud Architecture using Windows Azure and Amazon. I have created two applications for my own company and migrated three existing applications into the cloud using Visual Studio, HTML5, CSS3, JavaScript, ASP.NET, C# and VB. Recipient of the 1997 Fujitsu President's Award for Technical Achievement. My patent was issued in December 2013 and is numbered US8599836. In 2008 I was one of the first in the world to terminate Microsoft OCS/Lync into a VoIP provider rather than a media gateway device; the solution was to convert the SIP handshake from TCP to UDP. Continue to discover challenges maintaining and enhancing legacy ASP.NET applications when not creating new products. Server-side systems development has always been my forte.

    $27.78 /hr
    0 hours
    0.00
  10. Maxim P.

    Maxim P.

    Extjs developer

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

    I focus on JavaScript, especially on building front-end applications using Sencha and Angular.js. Huge experience in HTML coding and good knowledge of CSS are helpful while creating a new UI. The main idea that I love in my job is that abundant and complex enterpise systems' interfaces get easier and more user-friendly which facilitates their usage and helps companies to save money. I am passionate about technology and business. I love software development for creating value for the business with long term maintainability in mind.

    $16.00 /hr
    0 hours
    0.00