Top Upwork Freelancers

Clear all filters
  1. David Codesido

    David Codesido Agency Contractor

    Linux Systems Administrator

    Spain - Tests: 3

    Over more than 15 years I've been a GNU/Linux fanatic while I was studying my Computing Science Engineering career. After that I have worked for 8 years as a Systems administrator and DevOps for an IPTV company. During these years I've mastered on server side administration oriented to web services and web backends (Tomcat, Nginx, Apache, Postgresql, MySQL) and with Cloud oriented services (CDNs, High Availability, Clustering). As part of my job I also have knowledge of a whole set of tools on GNU/Linux for debugging networking and OS issues and both Bash and Python good programming and scripting skills. As a result of my career tesis and years on IPTV, I have a deep understanding on video technologies, transcoding and streaming. As a DevOps I have a good understanding on software design and testing, customer relationships and project managing which gives me a new angle on approaching projects on time phocusing on customer satisfaction and Quality Assurance.

    Associated with: Treitos

    $33.33 /hr
    214 hours
    5.00
  2. Serena Trere

    Serena Trere

    Italian retoucher and photographer

    France - Tests: 9 - Portfolio: 2

    I'm a photographer and a retoucher with a specialization in beauty retouch. I've spent the last two years traveling around the world to discover different cultures, languages and people and to progress in photography, field in which I am freelance since 4 years with a specialization in retouch. My web site contains my travel blog in both english and italian as well as my photographic and retouching portfolio: http://www.artificialstage.net In 2014 I've also took graphic design and typography and calligraphy classes. I've lived 28 years in Italy and 4 in France, I'm italian mother tongue and fluent in written and verbal english and french. I've past working experiences as java developer for a IT company in France. Having worked in different domains allows me to be open and reactive and having lived in different countries helps me in understanding different ways of working and communicating.

    $15.00 /hr
    4 hours
    4.83
  3. Rakesh Sable

    Rakesh Sable Agency Contractor

    Design, development, applications

    India - Portfolio: 11

    CSNS is software development organization, providing services for software development, android applications development, web applications development. We have a large pool of skilled and experienced software engineers to provide you the best solution which will satisfy the growing needs of your organization. Combining diverse expertise in business strategy, technology, usability and design. We provide highly scalable business solutions and on-line user experiences. We focus on providing enterprise level IT solutions. In a short span of time, we shaped ourselves as a process driven organization to fulfil our client's needs. Our mission is to deliver excellent, creative and cost-effective solutions using the most appropriate and upgraded technologies.

    Associated with: CSNS

    $11.00 /hr
    23 hours
    4.83
  4. Zinovii D.

    Zinovii D.

    Experienced Flex/AS3/Java developer

    Ukraine - Tests: 3

    My objectives is to find interesting intermidiate-to-long term project. To be a member of growing team or to be independent senior developer. My technical skills includes: • Languages: Java, ActionScript (Flex), Python, Perl, PHP, C#, C, C++, Object Pascal (Delphi), JavaScript • Web Experience: Java, JSP, ActionScript (Flex), Python, PHP, CGI scripts, mod_perl, XSL, XHTML, ASP, CSS, JavaScript • Operations Systems: Linux (Ubuntu/Debian, RedHat/Fedora, Mandrake), Windows (9x, 2K, 2K3, NT, XP, Vista), Unix (IRIX) • Databases: MySQL, PostgreSQL, MS SQL Server 2000, IBM DB2, Paradox, PL/SQL • Other Tools/Frameworks/Libraries: Wicket, Lucene, Axis2, Hibernate, Xapian, BlazeDS, PureMVC, Cairghorm, STL, OpenGL, COM, ActiveX, MPI, ADO.NET, WSDL and REST WebServices, GWT

    $20.00 /hr
    395 hours
    5.00
  5. Muhammad Emam

    Muhammad Emam

    Software Engineer

    Netherlands - Tests: 6 - Portfolio: 3

    Who I am: Software Engineer with extensive experience in Python programming, Cloud Computing, NoSQL datastores and large-volume data analytics. What I do: - Designing and implementing highly scalable, highly available software. - Analyzing business data-models and building appropriate analytics platforms. - Maintaining and developing existing systems to help businesses achieve lower Time To Market.

    $44.44 /hr
    268 hours
    5.00
  6. Manoj Kumar

    Manoj Kumar

    AppDev

    India - Tests: 5 - Portfolio: 2

    Take pride/ownership in what you do: From Thoughtworks(worked on huge web applications from inception till scaling them) to full time freelancing. Looking forward to work as a developer+consultant rather than just a developer who spits out code. You want someone who doesn't just work for the pay. You want someone who shows commitment, takes pride & ownership in the work that he does. Hire me! An advocate of TDD. Very sensitive about code quality and readability. Good in debugging elusive production defects.

    $16.67 /hr
    497 hours
    4.59
  7. Anna Naumova

    Anna Naumova

    Business analyst

    Russia - Tests: 3

    I need a small projects no more than 10 hours/week to gain experience in Business analysis. I work in SQA for 7 years, and part of my job is leading the testing for projects, as well as analyzing the requirements. Recently I was leading the project for piloting new custom system, participated there for its full lifecycle, from elicitation requirements and documenting it, to implementation, validation and writing users manual. The project is finished and as my main responsibilities do not include requirements writing, I want to find appropriate projects here.

    $16.67 /hr
    59 hours
    5.00
  8. Jamie B.

    Jamie B.

    Microsoft Technology Expert/CCNA

    United States - Tests: 3

    Talented IT professional with 14 years of experience in a wide variety of technologies. I started out in desktop support, worked my way up to global server support, including virtualization technologies, and have spent the last 3-4 years developing my Cisco networking skill set. I am currently a CCNA on track to get my CCNP. I am very proud of how diverse and broad my IT experience has become. I am well-versed in Azure, VMware, Hyper-V, all Windows Server OS including 2012, All Windows desktop OS including 8.1, site-to-site and remote VPNs (various vendors), Active Directory, SCCM, SCOM, and most of the popular versions of Linux. I am very skilled at designing, monitoring and supporting large server and network environments. I am looking for an opportunity to earn extra work doing the things that I love to do most in IT.

    $30.00 /hr
    299 hours
    4.97
  9. Dmitry B.

    Dmitry B.

    MS SQL, OLAP/DWH, VB, ASP, Project Management

    Switzerland - Tests: 2

    Microsoft Certified Professional, Brainbench Transcript ID#: 2566487 Fundamental knowledge of relational databases, object oriented analysis, design and programming.Strong knowledge of Business Obects, Microsoft Visual Basic, Microsoft SQL Server.Wide experience in COM, DCOM, ActiveX, OLE, WIN32 API.Experience in design and development of client-server, three-tier and multi-tier applications.Basic knowledge and experience in project management.More than 6 years of successful experience of applications development in the field of accounting systems, workflow systems, as well as integration of various technologies in the completed software product. Last years - OLAP, data warehousing, business intellegence.Self-motivated, hard- working, sociable, resourceful and able to quickly grasp new technologies. please find my latest CV at [http://dmitrybiryukov.awardspace.com][1] [1]: http://dmitrybiryukov.awardspace.com

    $39.94 /hr
    183 hours
    4.20
  10. Sergey B.

    Sergey B.

    Unix administrator, Web-based solutions, VoIP, Hosting, CMS expert

    Ukraine - Tests: 5

    From large IBM 360 mainframe monsters to modern ISP- and enterprise- oriented servers, more than 16 years, I'm working in the industry of an information technology. I have a large experience to install and configure server's hardware and software, another network equipement, to keep them in working conditions, to work in hosting-oriented team as administrator. At last years my focus of interest has extended to web-oriented applications, such as CMSs, corporate project managing software, and website developement projects with corresponding and supplementary software. Also my competency lies in server-side network services, including web-servers (not only Apache), SQL, DNS, Xen, OpenVZ, VoIP PBX, etc..etc

    $17.78 /hr
    286 hours
    5.00