Top Upwork Freelancers

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  1. Yuliyan Tsvetkov

    Yuliyan Tsvetkov

    Advanced linux administrator and system automator

    Bulgaria - Last active: 5 days ago - Tests: 6 - Portfolio: 1

    In the world of 24/7 available services, giving to the customer best stable and optimized Linux environment is the primary role of every System Administrator, my role too. I've 5 years of experience in automation, installation and maintenance of Linux servers based on RHEL, CentOS, Fedora, Debian and Slackware distributions. Also I'm managing a lot of live servers for the biggest Telcos in the Middle east and Africa using new technologies, and also proven old ones.

    $22.22 /hr
    214 hours
    4.68
  2. Abdul qudoos C.

    Abdul qudoos C.

    Senior Software Developer (15 Years)

    Canada - Last active: 30 days ago - Tests: 2 - Portfolio: 1

    Over my 10 years career I have developed web based applications on the Microsoft platform for Government and fortune 500 companies. In these consulting roles I have done projects form inception to completion, meeting with clients and understanding their requirements. I have a great appetite for writing software that captures user intent. I don't just throw in existing code and try to make it work for the clients needs, rather I understand the need and write software that accomplishes just that. I use best practices that revolves around Domain Driven Design to write my code which ensures code structure that is built on top of single responsibility principle. I have learned and applied these skills over the course of my career and now I have decided to move to freelance roles to write great software that works.

    $27.78 /hr
    160 hours
    5.00
  3. Zulqarnain Sarani

    Zulqarnain Sarani

    KOFAX (DMS) and BPM Consultant. SP2010 Developer. SMS Gateway APIs

    Australia - Last active: 1 month ago - Tests: 2 - Portfolio: 1

    To assist clients and customers achieve their desired goals by providing consultancy thus allowing customers to gain the competitive advantage yet in productive fashion. Expertise range from providing KOFAX consultancy, custom KOFAX development, workflow development, web development, SP2010 consultancy, Skelta workflows development (BPM.Net) etc. Extensive knowledge and practical experience integrating SMS gateways APIs by Twilio, Silverstreet, Spryng, Ozeki, 42Tele, Tyntec, Nexmo, TextMark, Trumpia, Avid and Anchor.

    $50.00 /hr
    855 hours
    4.80
  4. Timur Birsh

    Timur Birsh

    Unix Systems Expert and Oracle DBA

    Kazakhstan - Last active: 25 days ago - Tests: 7

    Hello, Over the last 15 years, I am working with the following Unix systems: BSD based systems, Solaris and Linux distributions including Debian, RedHat Enterprise Linux, CentOS, Oracle Linux and Ubuntu. Over the past years I have developed a wide range of solutions: VPN, proxy, mail, web, file, Samba, DNS, DHCP, SSO, database, monitoring, backup, virtualization and high availability servers. I am Oracle DBA with the 5 years of experience. I work for financial institution. On my control a 21 databases. Mission critical and big databases runs on the IBM hardware and AIX operating system. Other databases runs under control of Solaris (SPARC) and Linux operating systems. For data protection we use Data Guard. One of the best products of the Oracle is Enterprise Manager Cloud Control. We use it for the databases and hosts monitoring. Its management repository contains a lot of information. It is very useful in building of custom applications (reports, etc). I have work experience with the following Oracle RDBMS versions: 8i/9i/10g/11g. I am big fan of a tasks automation. For small jobs I use shell scripts. For jobs that have complex logic I use Python or Perl. For complex text processing I use awk, sed and shell scripts as a glue. I have 5+ experience of C language programming for Unix. Hardware administration of the following vendors: Oracle (Sun), HP, Dell. I am contributor of the following free software projects: Debian (http://qa.debian.org/developer.php?login=taem@linukz.org), Transmission Bittorrent Client, inadyn Dyndns client. I maintain the following opensource programs: * sXid - http://linukz.org/sxid.shtml * cd-discid - http://linukz.org/cd-discid.shtml I use Git for source code management. I would be happy to help you. Please do not hesitate to contact me.

    $33.33 /hr
    18 hours
    4.97
  5. echo xu

    echo xu

    Expert for Australian house rendering

    China - Last active: 5 days ago - Portfolio: 116

    Dome A is a boutique Guangzhou based company offering a full range of architectural visualization services mainly for Australian property. #####We know Australian house and landscape really very well. #####Your house will be more photorealistic and vivid. #####Your house will be the best one to your client's likings. #####You will get high quality service with timely responses and follow ups. #####Offshore service is cost-effective.Why not spend less and get much better service? #####Our clients:(some can not state here for privacy needs) Impact Homes. Desyne.Zero G. Jonathan Studio. Digital Mirage. You have my word. Try us and we can make what you want. #All requirements and demands should be stated clearly at the very begining.We freelancers also need your respect#

    $23.00 /hr
    10 hours
    4.98
  6. Luka Bartolic

    Luka Bartolic

    Developing and designing creative Web & Mobile applications.

    Croatia - Last active: 4 days ago - Tests: 4 - Portfolio: 10

    In my high quality and creative work on Web projects I commonly use PHP, CSS, Javascript, AJAX & HTML technologies. For the database implementation I use MySQL and for the efficient data transfer between database and application (or web site) I prefer to use JSON technology. I work hard on every project and always aim towards perfection of design and functionality. Besides being an experienced web application developer, I'm also an experienced designer. I love creating powerful and demanding designs, logotypes, banners, etc. using Photoshop and other tools. Besides web development, I have an experience in Visual C, C++ & C# programming languages. I develop mobile cross-platform applications, whether they are games or user applications that have a certain purpose. Great contribution to the high quality of the outcome product comes from discussing with other people too - for an example, while working I often discuss about better and nicer solutions with my friend and also a great web developer Davor Leric what fully increases a quality of the work. PRIMARY TECHNOLOGIES: MySQL, Javascript, CSS, AJAX, JSON, PHP, HTML, LUA, FTP, Microsoft Windows, Mac OS, Linux PROFESSIONAL SKILLS: Video Production, Web Designer, Web Developer, Graphic Design / Layout Art, Development of specific applications, Multimedia Designer, Game Development, Logo Creation, Advertising Banners, Programming, Database Administration, Database Design, Client-Server Applications, Banner Ads & Icons

    $20.00 /hr
    22 hours
    5.00
  7. Ralph Swartwood

    Ralph Swartwood

    Certified WebSphere Administrator

    United States - Last active: 6 days ago - Tests: 1

    I have 10 years experience working with WebSphere Application Server version 3, 4, 5, 6 and 7 on AIX, Solaris, HP/UX, Linux, zLinux and Windows. I am certified in versions 5, 6 and 7. I am looking for short and long term engagements including installations, resolution of a specific problem and ongoing support. I also have experience working with WebSphere Portal Server, Process Server, IBM HTTP Server and Apache. I developed JACL and Jython scripts to automate application deployments and to make configuration changes. I am very familiar with Java programming of servlets, JSP, SQL and JMS. I developed a Nagios plugin that monitored JVM availability and Performance Monitoring Infrastructure (PMI) metrics. I can analyze thread dumps for JVM hang problems and heap dumps for OutOfMemory issues. I also have experience with DirectConnect and training in DataPower appliance administration.

    Groups: TrueBLUE

    $50.00 /hr
    44 hours
    4.60
  8. Gillian Birch

    Gillian Birch

    Professional English Travel Writer

    United Kingdom - Last active: 2 days ago - Portfolio: 8

    Educated in England, I have traveled all over the world with my husband, a ship's captain. I write top quality freelance travel articles, website content, autoresponses, ebooks, bios, reviews, blogs, sales letters and product descriptions for high-ranking companies in the USA, Europe and Singapore. I am a full-time professional copywriter with a diploma from the British College of Journalism. I was the Florida Editor for BellaOnline from 2011 to 2013, and am a member of both the International Travel Writers' Alliance and the Gulf Coast Writers' Association. As the published author of eight travel books (search my name on Amazon.com), I specialize in writing well-researched articles and hotel reviews for magazines and travel websites. My clients include South China Morning Post, Geneva Times, glossy magazines and high-ranking Google website owners in the travel sector. International clients include Yahoo! Expedia and Hipmunk.

    $30.00 /hr
    873 hours
    4.92
  9. Eusebiu T.

    Eusebiu T.

    aTERlier

    Spain - Last active: 9 days ago - Tests: 2 - Portfolio: 13

    I'm a freelancer since 2011, using the graphic design category as one of my work areas, with sales on one of the biggest marketplace in the world. Adobe Photoshop and Adobe Illustrator are my tools. I can work in/with 4 languages (English, Spanish, Catalan and Romanian), I'm available 24/7 and I'm ready to work with YOU!

    $25.00 /hr
    39 hours
    4.95
  10. Nicole Mayo

    Nicole Mayo

    Industrial/Organizational Psychologist, Writer

    United States - Last active: 5 days ago - Portfolio: 1

    As an Industrial/Organizational Psychologist, I seek to bridge the gap between the academic literature and the training classroom, applying adult learning theories and virtual training techniques to increase skills and knowledge acquisition, training transfer, and job performance in a wide variety of industries. I am seeking consulting projects will allow me to apply my extensive virtual classroom experience and knowledge of virtual training theory to build training programs that will entertain, inform, and drive employee success.

    $77.78 /hr
    87 hours
    4.98