Top Upwork Freelancers

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  1. Stephen S.

    Stephen S.

    Business Analyst and Project Manager

    United States - Tests: 2 - Portfolio: 3

    Linked in Profile ssalaka 15+ years of varied industry experience (including extensive consultation work with large cap and fortune 500 organizations) in both software development and systems engineering as well as overall project management and client development/consulting; significant experience with Linux and Windows (mixed) environments and programming experience (including C#, JAVA, C/C++, shell scripting, and SQL), an MBA in Information Technology, and a solid understanding of complete systems lifecycle development/deployment/and support with a solid focus on applying process optimization strategies (Lean, TQM, 6 Sigma, etc...) My overall career path has been extremely varied, covering a wide range of tasks, duties and responsibilities (in an extensive breadth of industries) The main focus has been working in a (C#/JAVA/MSSQL) development;(Windows/Linux) deployment environment, designing and developing application/systems architecture for large scale portal (clustered and virtualized) applications, managing both development and server teams, designing and implementing systems security components, and deploying and managing network/infrastructure resources. Additional responsibilities have included client development/consulting, the integration of developed solutions into client project deployments, offshore team coordination, following development best practices to produce tested, integrated and fully-documented software solutions for Linux and Windows platforms (including Windows Mobile), and large scale systems roll out and deployments using both clustered (both hardware and software based) and virtualized (VMware) technologies. Business Level Japanese, JLPT Level 2 Conversational Spanish/German Specialties: Project Management, Software Development, Software Architecture, Systems Engineering/Architecture, Network Engineering, Programming, Troubleshooting/Maintenance, System Security, Software Architect, JPLT 2kyuu, DBA, MCTS, MCPD, MCSE 2003, SCJD 1.6, Security+, Lean Agent Certification, PMP, Six Sigma Black Belt Process Optimization

    $125.00 /hr
    0 hours
    0.00
  2. James Bowring

    James Bowring

    Programmer of 10 Years Using Visual Basic, VBA, SQL Server and MySQL

    United Kingdom - Tests: 1

    I am a programmer offering 10 years of experience on desktop, Microsoft Office and server-side projects. I have advanced skills in Visual Basic, including Excel and Access VBA, SQL Server and MySQL. I have completed a HND in Computing (Information Systems) and have been responsible for the implementation of many projects for the engineering and e-commerce industries. Please do not hesitate to contact me to discuss your requirements in detail and determine how my skills will positively contribute to your team.

    $20.00 /hr
    0 hours
    0.00
  3. Glenda Patel

    Glenda Patel

    Expert Asterisk/ Linux

    United Kingdom

    Core Competencies: Design, Development and Implementation; Business Impact Analysis; Regulatory Adherence; Data Integrity/Recovery; Disaster Recovery Planning; Contingency Planning; Research & Development; Risk Assessment; Cost Benefits Analysis. Platforms: CentOS, Red Hat Enterprise Linux Server, Fedora, Ubuntu, Slackware, Kamailio, AsteriskNow, Elastix, Freepbx, Vicidial, Windows Server 2002, Windows Profesional 2002. Networking: TCP/IP (WAN/LAN), SNMP, Ethernet VPN, SSH, VOIP (SIP, IAX, H323 (CODECS: G729, G723, G711, H.261, H263)), RTP, SS7, E1, T1. Applications: Puppet, Asterisk all versions (Complex dialplan and IVR), Vtiger CRM, Cacti, Nagios, Kannel, Mysql, SQL, Queuemetrics, ODBC connections, A2billing, VMware.

    $38.00 /hr
    0 hours
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  4. Roman Ventskus

    Roman Ventskus

    Java, Javascript, Ruby Developer

    Belarus

    Experienced Java EE, JavaScript, SQL developer. Over 4 years of experience in developing Web and Enterprise Applications. Backend: Java, Spring, Hibernate, IBatis/MyBatis, JAX-WS, JAX-B, Jersey, XSLT, Ruby on Rails Frontend: JavaScript, AngularJS, jQuery, HTML, CSS, Bootstrap, GWT, JSF, JSP. Version control: Mercurial, Git, SVN I like to create a truly useful and high-quality software. Software, which people will enjoy the pleasure, which will tell their friends and put it into an example to other companies. Most programming I like the pride of a job well done. My ideal work place - where you can learn something. The place where the cornerstone put quality.

    $22.22 /hr
    0 hours
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  5. Marcel Verspuij

    Marcel Verspuij

    Social WiFi specialist

    Netherlands - Tests: 1 - Portfolio: 2

    For different customers I build social WiFi solutions. From city free WiFi solutions to small business plug & play social WiFi solutions. This for MikroTik en OpenWrt routers. The cloud WiFi CRM is brand independent. It can serve the social WiFi landing page for many different captive portal and hotspot solutions. The cloud WiFi CRM is white label. Each customer can have his own look and feel. Customers can add their own functionalities and reports in the CMS. Because of the different international customers solutions are build in Amazon cloud or on their private server. Linux and Radius experience is high.

    $33.33 /hr
    4 hours
    0.00
  6. Nidhal ELABED

    Nidhal ELABED Agency Contractor

    ASP.NET MVC,WPF,WCF & Android Developer

    France - Tests: 5 - Portfolio: 9

    During my studies I gained a strong knowledge of several areas of science and computer with a solid two-year preparatory class (Mathematics-Physics), and then I joined the National School of Computer Science, where I invested my passion for computer and new technologies and I gained new acquaintances on design and development of computer applications. I am actually an ASP .NET MVC developper in CodersCloud company where I have participated in development and design of severals products and projects. Over the 2 last years, I have developed a variety of application for many small society using Microsoft tools :WPF,C#,VB,.Net,LINQ TO SQL ,SQL Server .Besides I developed many Android Applications using the geolocation of Google (google Map),the REST webservice ,MySQl and Oracle DataBases. My basic skills is the management of a development project management applications and mobile applications stocks Android, and I'm looking for opportunities to build applications in these fields for you or your company.

    Associated with: Zmonka Agency

    $20.00 /hr
    36 hours
    0.00