Top Upwork Freelancers

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  1. Filip Popovic

    Filip Popovic

    Vaadin/JavaEE/Spring

    Serbia - Last active: 5 months ago - Tests: 3 - Portfolio: 1

    For the past 5 years, I have developed a wide range of Java enterprise businesses solutions. I am competent in complete end to end development process, and I am seeking opportunities to build enterprise solutions from the ground up. I'm currently focused on developing Vaadin applications with Spring and Hibernate. I also have experience in the following areas: OOP, OOD, BPM, SQL, NoSql, C/C++,Python, HTML,CSS,JavaScript, Testing etc.

    $33.33 /hr
    382 hours
    5.00
  2. Madhawa K.

    Madhawa K.

    Senior Sharepoint Developer

    United Kingdom - Last active: 10/03/2014 - Tests: 1

    -5+ years’ experience in SharePoint Server and related technologies -3+ years on SharePoint 2010 with full project life cycle (Requirement gathering, designing and building solutions using best practises, testing, deployment, performance tuning, troubleshooting, upgrading) -10 years’ experience in developing high quality solutions using Microsoft technologies -Strong analytical and problem solving skills -Incorporate best practices in applications and solutions development Technical Competencies -Microsoft Office SharePoint Server 2013/ 2010/ 2007 Sharepoint CMS, branding, master pages, Web parts, page layouts, Content types, Workflows, Search customizations, Site definitions, Event handlers, Feature development, Packaging and Deployments, Web services, InfoPath service, SharePoint Designer 2007-2010, CAML, LINQ, Themes, WWF, profiling and caching -C#, ASP.NET, Web Services, HTML, XML, XSLT, SOAP -SQL languages – T-SQL, CLR Assembly -Scripting languages – JavaScript, Jscript, Ajax, j-query -.NET Framework, SQL Server , MYSQL , IIS -TFS, Microsoft Visual SourceSafe, Perforce, WinCVS, Murcurial -Nunit, Microsoft pattern and practises (Enterprise Library)

    $22.22 /hr
    765 hours
    4.98
  3. Pavel K.

    Pavel K.

    Senior ExtJS / Sencha Touch developer, 8 years exp. in WEB development

    Ukraine - Last active: 3 months ago - Tests: 2 - Portfolio: 20

    I have 8+ years of experience in software development. Most of projects I worked on used LAMP technologies and Node.JS, different Javascript frameworks (ExtJS / Sencha Touch for example) and wide range of databases (MySQL, MS SQL Server, PostgreSQL). Also I have extensive experience in object oriented programming and design, desing patterns, familiar with TDD development methodology. I'm looking for long term cooperation and opportunities to apply my skills and create new applications.

    $44.44 /hr
    7,450 hours
    4.83
  4. Muhammad Raffay

    Muhammad Raffay

    Sr. Server Support Engineer / Consultant

    Pakistan - Last active: 08/31/2014 - Tests: 2 - Portfolio: 5

    I am result-oriented IT Professional (having more than 7 years of Experience) focused towards company’s operational goals by keeping abreast with current and emerging IT technologies. Core competency attribute as the management experience of supervising team of skilled human resources responsible for smooth IT operations; nevertheless has the ability to work as team member or in individual capacity. Substantial Project Management aptitude of planning, designing, and implementing large-scale Enterprise Network / System Infrastructure, Security Operations Center (CCTV/Bio-Metric appliances), Windows Active Directory, Microsoft Messaging and Collaboration and Back office Application Services along with different emerging technologies as per organization need. Also, have the knowledge of deliver cost effective solutions which meets the business requirement. And, ability to conduct AS-IS, TO-BE and GAP analysis to enhance business processes. Some of my salient achievements: • Bachelors of Engineering in Information Technology (B.E. IT) • Cisco Certified [CCNA 640-802, CCNP Cisco ID: CSCO13826485] • Juniper Certified [JNCIA-EX, JNCIA-ER, JNCIS, JNCIP Juniper ID: JPR81316] • Microsoft Certified System Engineer (MCSE 2003, Coursework) • Corporate IT Security- (Computer Networks Security) Design Experience: • Active Directory 2003/2008 • Microsoft Exchange 2003/2007/2010 • Microsoft System Center Operations Manager 2007 • Firewall (Cisco ASA, PIX525, Sonicwall NSA 3500, Juniper SSG 140) • Cisco Routers 800, 1600, 1800, 2800 • Cisco Switches 2900, 3500, 4500, and Extreme BD6800, x450, Summit 48si, HP ProCurve 2810, 1800 Specialties • Data Center Development • Network infrastructure design • System infrastructure Integration • Point-to-Point Wireless Solution • Unified messaging • Custom software development • Risk management and data security • Disaster recovery planning • Structured Cabling Solutions

    $16.67 /hr
    37 hours
    4.99
  5. Mihail K.

    Mihail K.

    UNIX/Linux administrator

    Belarus - Last active: 3 months ago - Tests: 5

    I love UNIX! I love one-line shell scripts! I work with Debian, RedHat, HP-UX. Little with OpenSolaris and FreeBSD. I have experience in creating and supporting monitoring systems based on Zabbix and Nagios (several tens of servers with different OS). I am well familiar with network protocols and tools for testing and troubleshooting (wireshark, tcpdump, nmap, traceroute, etc.). I have experience in creating secure VPN tunnels based on OpenVPN, IPSec, L2TP/IPSec, GRE and PPTP. I was installing and configuring lighttpd, apache httpd, nginx, exim4, dovecot, samba, OpenLDAP, etc. I have experience with creating mail servers used in hosting company for many customers. I was working with virtualization Xen, KVM, VMware. Have experience with cloud services like Amazon EC2. I have experience in installing and configuring Oracle 10g, 11g, PostgreSQL, MySQL.

    $16.67 /hr
    88 hours
    4.97
  6. Tim Van Boxtel

    Tim Van Boxtel

    Engineer

    Canada - Last active: 2 months ago - Tests: 7

    A skilled technophile with experience in many aspects of hardware and software. Sotware: Web Application Development utilizing Flask and Django REST Based API Skilled Python developer Website Development - PHP, HTML5, CSS3, Javascript, jQuery Database Query, SQL, Cypher, Hardware: Electronic Circuit Design. Schematic - PCB I take great care in the quality of my work and forward my rigour and passion onwards

    $61.11 /hr
    414 hours
    5.00
  7. Istvan Jeno Veres

    Istvan Jeno Veres

    Web Developer

    Romania - Last active: 05/16/2014 - Tests: 1 - Portfolio: 1

    Over the past 2 years, I have been working on various projects at Babes Bolyai University, developing android apps, web pages using Python/Django framework and at Nokia Siemens Networks working in RoR. My competency lies in my ambition and ability to meet deadlines and take part in an Agile Software Development Process, gained through my internship at a large multinational company. I have experience in: Java, C/C++, Mathworks Matlab, Ruby, Ruby on Rails, Python, Django, HTML, CSS, JavaScript/jQuery, Linux, Databases/SQL

    $13.33 /hr
    513 hours
    5.00
  8. Jakub B.

    Jakub B.

    Hardware prototyping, DSP, python programming

    Poland - Last active: 2 months ago - Tests: 4 - Portfolio: 1

    I am an engineer specializing in Arduino and Electronics. I'm PhD student of audio engineering. I was studying at the Faculty of Electronics and Computer Science. My core competency lies in signal processing and prototyping devices (with sensors, light, motors, audio and wireless connection). During my studies I also learned programming with C++, Python and MatLab and I developed some Android apps. Apart my basic competency (hardware design) I'm making interactive applications based on processing language for desktop and for web (using processing.js) Don't hesitate to contact me.

    $30.00 /hr
    888 hours
    4.94
  9. Syed M.

    Syed M.

    Java EE Developer

    India - Last active: 03/28/2012 - Tests: 2

    I have seven years of experience working as a Software Engineer and System Administrator in the United States. During this time, I have played a leading role in every aspect of the software development lifecycle, from requirements gathering and design to deployment and maintenance. I have developed both desktop and web applications. I am also a Sun Certified Java Programmer and OMG-Certified UML Specialist.

    $33.33 /hr
    588 hours
    5.00
  10. Radu Bogdan Nicolae

    Radu Bogdan Nicolae

    Meteor expert

    Romania - Last active: 4 months ago - Tests: 3 - Portfolio: 6

    Over the last 8 years, I have developed a wide range of websites. My strenghts are Meteor.js, Php, Javascript. I'm also a pretty good front-end developer. I am seeking opportunities to build websites from the ground up for you or your business. By the way, I'm probably the most available guy for communication. My past experiences taught me great communication was to key of every successful project. My team and I use Slack as a mean of communication, we'll invite you in a channel so everything will be at the same place!

    Groups: Corona Labs

    $29.99 /hr
    15 hours
    4.80