Top Upwork Freelancers

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  1. Sachin C.

    Sachin C.

    Coldfusion, SQL Server, Oracle, Twilio, Stripe, PHP, FFMPEG, ExtJS

    India - Last active: 21 hours ago - Tests: 4 - Portfolio: 1

    I have extensive experience in developing web applications using coldfusion, php, asp, asp.net, jquery, sql server, Oracle. I also have expertise in migration of coldfusion websites including installation of webserver. I have extensive experience working on integration of Facebook, Gmail, Yahoo, linkedin, Twitter and Twilio API's.I have sound knowledge of domains like Benefits, Ticketting systems and Publishing systems.

    $20.00 /hr
    4,278 hours
    4.71
  2. Iftekharul Alam

    Iftekharul Alam

    Web Application Developer (PHP, MySQL, HTML5, CSS3, jQuery, JQ Mobile)

    Bangladesh - Last active: 1 month ago - Tests: 12 - Portfolio: 12

    I have 7 years of programming experience on various desktop and web based project as well as experience on web designing. I have experiences in DBMS like MySQL, Oracle and SQL Server. At the beginning I was working on .NET platform (C#, ASP.NET) and last 4+ years I have engaged in developing wide range of web applications/websites using HTML, CSS, HTML 5, CSS3, Pure Javascript, JQuery, jQuery Mobile, Angular JS, AJAX, PHP and MySQL. I also have experiences in the areas like MVC Framework (CodeIgniter, Kohana, laravel etc), CMS (Joomla, Wordpress, Oscommerce, prestashop etc), Twitter Bootstrap and Responsive Design, Web service (C#, PHP). I also have experiences in android mobile apps development. I look forward to gather new experience and develop my skill in both PHP and .NET technologies. I am also interested in learning new technologies and direct my career to focus on software design. I have development experiences online bus ticketing software solutions that are top ranked in our country. I have also huge local freelancing work experiences that are shown at my portfolio. So, anyone can keep faith on me and I believe to fulfill project requirements within timeline and bring success for the employer as well as for me.

    $10.00 /hr
    155 hours
    4.91
  3. Vivek Viswanathan

    Vivek Viswanathan

    Expert Web App Developer & Manager

    India - Last active: 17 days ago - Tests: 6 - Portfolio: 3

    Over the last 8 years, I have developed a wide range of scalable & responsive websites on the cloud. My core competency lies in complete end-to-end management of the Project, and I am seeking opportunities to build websites from the ground up for you and your business. As part of my experience, I've worked for different companies and for various projects, from small startups to large corporations, from small device-oriented applications to multi-layer, cross-platform software. With a strong background in Agile development methodologies, I've worked with remote teams and clients from all over the world. I'm fluent in using the below programming languages/frameworks: Front-end: HMTL5, Flex, jQuery, jQuery-Mobile, BootStrap, Foundation, Canvas Libraries Back-end: Java, Spring, Struts, iBatis, BlazeDS, Php, Magento Mobile App: Phonegap Database: MySQL & MS-SQL Scripting: Perl, VB Script Other Expertise: Optimizing SQL query & web pages for performance, VB Macro I enjoy new challenges, looking to overcome my own high standard goals.

    $30.00 /hr
    911 hours
    5.00
  4. Mariano Libonatti

    Mariano Libonatti

    Senior UI / UX Designer, 11+ yrs exp

    Argentina - Last active: 1 day ago - Tests: 5 - Portfolio: 16

    ** Top-notch UI / UX Designer TOP RATED freelancer on Elance and Upwork ** I'm a full-time freelance UI / UX Designer Buenos Aires Argentina based, with over 11 years professional experience designing in the digital field for brands like Kraft, Danica and Telefonica as well as many innovative startups. You can see my online portfolios here, https://www.behance.net/mlibonatti I provide high quality custom designs, creativity, dedication, and reliability. I focus on UI Design (User Interface Design), UX Design (User Experience Design. And my services also include Logo Design, Corporate Identity, Graphic Design, Packaging, Magazines, Marketing Material, Web Design, Mobile Design, Wireframing, Interactive Prototypes, App Design, Ebook Design, etc. I have a degrees in Graphic Design, as well as many related courses. I have worked at a number of top notch Digital Design Agencies and IT companies for 8 years before working freelance.

    $40.00 /hr
    665 hours
    4.93
  5. Asif Gohar

    Asif Gohar

    System, Network, Active Directory, Exchange, Backupexec, System Center

    Bahrain - Last active: 1 month ago - Tests: 5 - Portfolio: 5

    Knowledgeable and skilled IT professional with encompassing work experience spanning more than 8 years in systems administration with compliance as per industry standards. Possess excellent interpersonal skills to liaise amicably with diverse groups of people, different departments, vendors and agencies. With extensive exposure to different cultures and work environments and has worked effectively with multinational individuals and professionals from all organizational levels. Certifications: MCITP (Server 2008, Exchange 2010, Lync 2010) Expertise: Exchange 2007/2010, Active Directory 2003/2008, SCCM, SCOM, DPM, SCVMM, BackupExec,Enterprise Vault, WSUS, Lync, Server 2003/2008, ADRMS, SQL Server, SAN/NAS.

    Groups: Microsoft Certified Professionals

    $20.00 /hr
    270 hours
    4.95
  6. Rashid Bilgrami

    Rashid Bilgrami

    Sharepoint & Dotnetnuke Developer

    Saudi Arabia - Last active: 7 days ago - Tests: 1 - Portfolio: 6

    Over the last 12+ years of experience in SharePoint, Dotnetnuke & Microsoft .net Platform, I have developed a wide range of websites & complex web applications including sites for small businesses to enterprise application. My core competency lies in complete end-end management of a new website development project, and I am seeking opportunities to build websites & complex solution from the ground up for you or your business. I also have some experience in the following areas: SQL, Ajax, OOP, and software design and testing.

    $38.89 /hr
    147 hours
    4.94
  7. Jagjeet Singh

    Jagjeet Singh

    Labtech, Kaseya, ConnectWise Consultant

    India - Last active: 11 days ago - Tests: 1

    Technically knowledgeable and service oriented IT professional experienced in providing solutions to customer and end-users with proven technical expertise is seeking for a rewarding, challenging and personal growth where I can best use my knowledge and experiences in implementing, managing and supporting the IT infrastructure and end-users. Specializing in designing, implementing and maintaining Enterprise IT platforms, TRT takes the stress, risk and complexity out of managing core IT systems. Maintain complete control over the environment we take accountability for keeping it running efficiently and securely.

    $22.22 /hr
    1,843 hours
    5.00
  8. Daniel Yavorovich

    Daniel Yavorovich

    System Administrator

    Ukraine - Last active: 5 days ago - Portfolio: 1

    Operating Systems ● FreeBSD ● Linux Security ● iptables ● openssl ● jail ● clamav ● mod_security ● mod_clamav DNS ● Bind ● PowerDNS (+PostgreSQL / +MySQL) HTTP ● Apache ○ MPM: prefork, worker ○ mod_ssl, mod_php, mod_wsgi ● Nginx ○ Access control ○ Autoindex ○ Fast-CGI ○ uWSGI ○ Proxy ○ Cache ○ SSL ○ upload_progress_module ○ Control panel integration ■ Virtualmin ■ DirectAdmin ■ Plesk Proxy ● squid ○ basic auth ○ transparent proxy ○ cache ● 3proxy ○ http/socks ○ auth Raid ● Linux ○ md(0,1,5,6,10) ● FreeBSD ○ Gmirror / Striping File Systems: ● Ext 2,3,4 ● ReiserFS ● XFS ● OCFS2 ● ZFS (port to FreeBSD) ● CEPH CVS ● SVN ● Mercurial ● GIT ○ GitLab ○ GitoLite Backup ● rsync ● BackupPC ● Bacula FTP ● ProFTPd ● VSFTPD File sharing ● NFS ● SAMBA Control Panel ● Direct Admin ● Webmin+Virtualmin ● CPanel ● ISP-config ● Plesk Automatization ● Puppet ● Saltstack Monitoring ● Zabbix ● Nagios ● Munin ● Monit Network Understanding of theoretical and practical foundations of the networks (Data link, Network, Transport, Application Layers). VPN ● OpenVPN ● PPTP Database (SQL) ● MySQL (+MariaDB, +Percona) ● PostgreSQL Database (NoSQL) ● ElasticSearch ● Riak ● MongoDB ● Cassandra ● Redis Virtualization & Containerization ● KVM ● XEN ● OpenVZ ● LXC ● Docker ● Vagrant Cluster ● DRBD ○ master-slave ○ master-master (+ocfs2) ● Heartbeat ● Pacemaker Development ● actively use: ○ shell (bash, sh) ○ Python ● Frameworks ○ Django ○ Flask ○ Twisted ○ Tornado Cloud Solutions: ● AWS (EC2, S3, CloudFront, Route53) ● DigitalOcean ● RackSpace

    $33.33 /hr
    44 hours
    5.00
  9. Julio Carvajal

    Julio Carvajal

    CCIE 42930,2xCCNP,Juniper Specialist

    Costa Rica - Last active: 21 hours ago - Tests: 2 - Portfolio: 4

    Senior Network and Security engineer with more than 10 certifications from different vendors including a CCIE. As a Cisco TAC engineer I fixed over 2000 different issues on multiple platforms. Let me show you I am your network engineer. Certifications List: CompTIA Security+ CCNA JNCIA CCNA Sec CCNP Security CCNP Routing&Switching JNCIS-SEC CCIE Routing&Switching 42930 Languages: Spanish, English

    $77.78 /hr
    143 hours
    4.91
  10. Nazar S.

    Nazar S.

    JavaScript / Java Web Developer

    Ukraine - Last active: 1 month ago - Tests: 5

    I am Oracle Certified Java Web Developer and I guarantee that the work I do won't be finished till you are 100% satisfied with the result. If you'll have any issues with my code - I will fix it for free. I do the work first and only if you are fully satisfied - we start a contract. This ensures that you pay for a perfect work. Skills: Java Core, J2EE, OOP, OOA, OOD, OOM, UML, Design Patterns, TDD, HTTP, FTP, TCP/IP, UDP, SMTP, Web Services, REST, Ant, Maven, Tomcat, DHC, SQLyong, JSP, JSTL, Velocity, VTL, Servlet API, JDBC, JUnit, JMA, Spring framework, Hibernate, JPA, SLF4J, Log4j, Reflection API, SQL, HQL, (X)HTML, HDOM, XML, JSON, CSS, JavaScript, AngularJS, RegExp, AJAX, JQuery, JQuery-UI, i18n, l10n, JSF, Facelets, RichFaces, PrimeFaces, PrettyFaces, Tomahawk, SVN, Git, Liquibase, PostgreSQL, MySQL, Oracle, JIRA, Mantis, Scrum, Objective-C, X-code, IntelliJ IDEA, Eclipse, NetBeans Interests: Gaining new professional skills and mastering them to perfection - that's my way. I am one of these 'lucky' people whose work is their hobby, interest and passion. Personal qualities: Openness to new ideas and concepts, positive attitude, possibility to work independently or as a part of team, honesty, responsibility.

    $12.00 /hr
    70 hours
    5.00