Top Upwork Freelancers

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  1. Daniel Guillermo Bareiro

    Daniel Guillermo Bareiro

    GNU/Linux and Unix system administrator

    Argentina - Last active: 20 hours ago - Tests: 2 - Portfolio: 2

    I manage and use free/open source software and GNU/Linux (most experienced Debian) since 2000. I have also participated in numerous conventions related to these themes (some of them as speaker) and collaborating with the discovery of bugs in applications for contribute with the community. Specialties: Networks and operating systems security, monitoring technologies. Advanced knowledge of GNU/Linux environments and virtualization platforms. LANs, WANs, VPNs, Firewalls, TCP/IP. Description of services: ---------------------------------- Servers: ====== Installations, configurations and maintenance plans for servers running GNU/Linux or free BSD operating systems range. * Planning, installation and configuration of GNU/Linux systems as both free and open source systems. * Installation, configuration and maintenance of servers of BSD range: FreeBSD and OpenBSD. * Print servers. * Mail servers with spam and virus filters. * Proxy servers. * Fax servers. * Corporate instant messaging servers. * Install and configure DNS servers. Procedures for domain management. * Management servers for uninterruptible power supplies. * Web servers (Apache, PHP, MySQL and PostgreSQL). * Database servers (MySQL and PostgreSQL). * DHCP servers. Networks and Infrastructure: ===================== Installation, maintenance and failure analysis of networks. High-availability systems, mass storage, remote backup, and monitoring equipment and services. * Installation and maintenance. * Firewalls. * VPNs. * DMZs. * RAID, SAN and NAS systems. * Implementation of VoIP telephony systems. * Virtualization systems (for production systems, development and testing). * Remote backup systems. * Monitoring systems. * Control, preventive analysis and resolution of faults in networks. * Installing and configuring high availability clusters. Consultancy: ========== My main goal is to provide a work environment based on trust, integrity and transparency, in order to become your strategic partner to help you realize your projects. My experience in the field of free/open source technologies allows me to offer a wide range of consulting services for your business, which include audit and analysis of systems, applications and networks, migration to free and open source systems, and systems integration, among others. * Migrating to free and open source systems. * Network analysis. * Security analysis. * Configuring applications. * Systems integration.

    $36.67 /hr
    38 hours
    4.92
  2. Ofir Vaknin

    Ofir Vaknin

    Business & Data Analyst (Data Storyteller)

    Israel - Last active: 20 hours ago - Tests: 1

    Areas of Expertise * Collecting, controlling and analyzing complex data sets, in support of senior management and internal customers. * Developing, maintaining databases and corresponding Dashboards. * KPI development, implementation and controlling. * Performing process analysis in liaison with end-users. * Design, develop and implement share point based systems Excellent proficiency in: data analysis, data visualization, data mining, systems analysis, process design, database design and implantation, data warehousing systems, training development. BA Management & Logistics - Bar Ilan University, Israel

    $40.00 /hr
    783 hours
    5.00
  3. Jimmie Butler

    Jimmie Butler

    Meteor Developer

    United States - Last active: 20 hours ago - Tests: 2 - Portfolio: 3

    I develop Meteor applications for web and mobile and have released several packages to atmosphere. Meteor's current ecosystem and technology stack is extremely good at the moment and will only continue to improve, making it the best option for building high quality user experiences for multiple platforms at this time. Currently I'm working with a start-up focused on providing analytic and student feedback to school lunch providers, but I am available.

    $50.00 /hr
    374 hours
    4.86
  4. Lindsey Hardegree

    Lindsey Hardegree

    Virtual Assistant and Nonprofit Management Consultant

    United States - Last active: 8 days ago - Tests: 1

    I am an experienced nonprofit professional in Metro Atlanta. My experience includes fundraising efforts, board development, and program development; management of various development strategies for annual fund, major gifts, donor stewardship, corporate relationships, and special events; and organizational leadership with staff, volunteers, and consultants. I also provide virtual assistance and consulting services to creative companies and organizations, particularly non-profits and for-profit artistic ventures. Current client work includes integrated project management, social media consulting, online presence maintenance, event planning, and database/contact management. As our world moves online and we rely more and more heavily on digital life, the creative fields are struggling to keep up. Tizzy Consulting is a virtual assistance firm for creative companies and organizations, particularly non-profit arts organizations and for-profit artistic ventures. The services offered by Tizzy Consulting are to help you when you’re in a "tizzy" through a process called virtual assistance. I bring my skills to your business to help you streamline and automate your processes, allowing you the chance to get back to what you are passionate for!

    $35.00 /hr
    79 hours
    4.70
  5. Branko S.

    Branko S.

    PHP Programmer

    Serbia - Last active: 15 days ago - Tests: 4 - Portfolio: 3

    I have 10 years of experience specialized in backend programming and web applications development using PHP. I worked on a lot of web application created in custom php, Wordpress, Laravel, Zend Framework, Magento... Big part of applications I have developed is related to learning and I like to work on project related to E-learning.

    $22.22 /hr
    0 hours
    5.00
  6. Sandra Berciano

    Sandra Berciano

    Spanish voice over artist

    United Kingdom - Last active: 2 days ago

    Hello! My name is Sandra, I am based in London and have notions of speech due to my Degree in Journalism. My mother tongue is spanish (neutral). I have a lot of experience, as I have done voiceovers for voicemail, tutorials, audiobook, smartphones apps… and small projects It will be a pleasure to work with you, don´t hesitate to contact me if you have any request. Looking forward to hearing from you! Sandra

    $111.11 /hr
    0 hours
    5.00
  7. Joseph Townsend

    Joseph Townsend

    IT Consultant and Management + XHTML CSS PHP XML MYSQL

    United States - Last active: 2 days ago - Tests: 4 - Portfolio: 1

    To better the company as a whole, to save money and time while maintaining good work ethics, to create a team environment that everybody likes and can understand. 7 years experience in web design/development 11 years Tech Support and Computer Repair 3 years as IT Consultant Language: English Location, CA - US School: ITT-Tech Minor: Computer Forensics Major: Information System Security Commonly used coding languages: xhtml, css, php, mysql, xml

    $33.33 /hr
    6 hours
    5.00
  8. Joseph Francis

    Joseph Francis

    Extrovert, energetic and young. Ready to write.

    United Kingdom - Last active: 10 days ago - Portfolio: 3

    I am a young and energetic writer with a versatile form and published pieces in an eclectic range of subject areas - from medieval witch trial manuscripts to jungle trekking in Southern Thailand. I'm ready to undertake writing work in a number of different genres, but my specialties include travel writing, academic writing in English literature and online content production. Having completed two separate writing internships and achieved a first class honours in English Literature and ancient history at university, I pay particular attention to deadlines and will deliver original and energetic prose for a fair price.

    $35.00 /hr
    2 hours
    5.00
  9. Ronald H.

    Ronald H.

    Voice Over Artist, Deep Voice to Midrange, Commercials to Characters

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

    I offer a skilled voice that has performed in many roles over 15 years in commercial and independent radio. As a freelancer, I have voiced straight forward narration, explainer videos, character acting, commercial reads, inspirational devotionals, and aggressive imaging. I will work to bring the right voice to your ideas. My voice is distinctive and will help your project have the impact you desire.

    $24.44 /hr
    0 hours
    5.00
  10. Kao C.

    Kao C.

    Cambodia Photo Service

    Cambodia - Last active: 20 hours ago - Portfolio: 19

    Dear Our Cambodia Photo Service will be a multi disciplinary graphic editing solution provider. We will be a full-service editing/design through your requirement and also consultancy with a formidable array of skills and foresight. We will cater to the international and market as well as local market with a commitment to quality editing. We have the expertise and extensive experience in Photo/Graphic/Studio editing in dealing with a wide range of client requirements ranging from Logo editing, Corporate Identity, Model Photo, Prototype editing, Usability to Integrative editing Solution. This has given us the capability to edit visually appealing and technically design solution for client from diverse fields such as entertainment, model shoot, travel, photo edition, health care personalized site, consumer internet products, product online, e-commerce etc. Our Cambodia Photo Service will have three core value, creativity, innovation and customer satisfaction. Our team of young and talen

    $5.00 /hr
    0 hours
    4.73