Top Upwork Freelancers

More options
Clear all filters
  1. Sergio S.

    Sergio S.

    JEE Architect - Developer / ExtJS Developer

    Guatemala - Last active: 15 hours ago - Tests: 5 - Portfolio: 4

    Highly skilled systems architect and developer with more than 25 years of experience designing, developing and deploying applications, from old single platform “green-screen” to multi-tier / distributed systems. Business experience in manufacturing, accounting, distributing, payroll, finance and TELCO: ✔ Strong knowledge of Java SE and JEE stacks, from early versions 1.x up to latest version SE 7 and JEE 6. ✔ Deep understanding of old technologies such Cobol, ISAM, flat files, pipes, “green screen”, etc. This knowledge allowed me to design, code and implement integrations between new applications with legacy ones. ✔ Solid leading and mentoring skills to help and encourage individuals to maximize their productivity by applying the best practices, frameworks, libraries and technology in general. ✔ I'm always learning about new technologies and tools to ease and reduce time spent in application development and deployment. Technology by itself is worth nothing if it does not solve real world problems.

    $45.00 /hr
    643 hours
    5.00
  2. Kathrine Fisher

    Kathrine Fisher

    Voice Over

    United States - Last active: 15 hours ago - Tests: 3 - Portfolio: 1

    I am an experienced Voice Over talent with my own professional recording/editing equipment and am capable of delivering recorded material to clients in mp3, wav, or aiff formats, via email, dropbox, or other means. I can also add Licensed Royalty-Free music to projects if requested, and have access to a wide variety of styles to select from. I am a native North American English speaker, character actor and improv artist. I have a smooth, professional and polished vocal style. I can create female character voices from the age range of young children, to female in their 20s and on up into the 90s. Fabulous Mae West Impersonation. I specialize in Documentary Narration, Educational and E-learning voice projects for adults and children alike. In addition to topics of general interest, I voice Travel, Medical, Scientific, Technical, Financial and Real Estate projects. My clients tell me that I can take even 'difficult' subject matter and make it interesting and easier to understand. I also voice children’s games, apps and audiobooks. I have very clear diction, pronunciation and enunciation with no obvious accent and am regularly hired to voice pronunciation guides for individuals learning English and have even worked with programs for children with hearing impairments learning English. My secondary specialty is Phone Systems - IVR/Voice Mail and On-Hold ads. I offer a free re-record if I mispronounce any individual's names, product names or locations. I do reserve the right to bill for additional client-generated script changes after the track(s) have been recorded. I have a variety of Demo/Samplers that I can send to you for your review.

    $72.22 /hr
    433 hours
    4.95
  3. Sebastian Caceres

    Sebastian Caceres

    Illustrator, Character Designer, storyboard artist

    France - Last active: 5 days ago - Tests: 3 - Portfolio: 35

    I offer you my experience in illustration, graphic design and animation. I have developed a wide range of knowledge in illustration (digital, water colour, ink...) and 2D animation technics (Flash animation, stopmotion, cutout, traditional animation...). I fully manage the Adobe Suite and others software of design and animation. I am seeking opportunities to offer my experience to you or your business.

    $30.00 /hr
    442 hours
    4.92
  4. Tanmoy S.

    Tanmoy S.

    Web Developer | Android Developer

    Bangladesh - Last active: 1 day ago - Tests: 13

    Greetings. This is Tanmoy, computer science graduate, basically a programmer working with Web & Android application development. Web Development: I've strong knowledge on PHP/MySQL/JavaScript and frameworks on those like WordPress and Joomla. For MVC, I worked with PhalconPHP, Laravel & YII. My expertise is mainly on WordPress and PhalconPHP. I developed at least 800 WordPress based website which included usage of different themes, plugins, custom theme & plugin development, custom field/meta/taxonomy/cron etc. I'm very skilled in REST API based projects. I can develop API platform for you with JSON/XML response or SOAP API. Android Development: I normally develop application (not games) for Android. I'm highly skill in SQLite Database, HTTP/HTTPS/Socket connection, File, Media, In-App Purchase, Google Play Licensing, Camera, Location, Sensors etc. based projects. I use Java instead of third-party tools to provide excellence. Social Login Integration: I provide social login integration service both for web and mobile application. For modern app, you must need it to engage more users. For my expertise, dedication and hard work, I always got great feedback from client. What you're still waiting for? Just hire me to get your project done.

    Groups: Application Developers Alliance, AWeber...

    $33.33 /hr
    1,161 hours
    5.00
  5. Oscar R.

    Oscar R.

    DevOps, Linux System Administration

    Panama - Last active: 5 days ago - Tests: 13 - Portfolio: 5

    DevOps, Linux System Administration and all Unix related platform/services are my passion. I am research oriented with horizontal mentality, self motivated and I feel comfortable when I take new challenges, I perform well when I work under pressure. I am proud to be a problem solver ! My core skills: FreeBSD, Solaris, Linux, pfSense, Mikrotik, Capistrano, CFEngine, Chef, Asterisk, Tropo, Twilio, EJabberd, Xen, Proxmox, vmware, OpenStack, OpenNebula, AWS, Joyent, RackSpace, HP-Cloud, OpenVz, Varnish, Nginx, Lighttpd, Apache, Yaws

    $133.33 /hr
    1,561 hours
    5.00
  6. Andrii Khudiakov

    Andrii Khudiakov

    Oracle DBA expert

    Ukraine - Last active: 4 days ago - Tests: 3

    I am certified Oracle database administrator with 8+ years experience in all areas which cover Oracle administration tasks. Installation, configuration, tuning, backup strategy, integration in OLTP and DWH environment on *nix and Windows OS in one-node and RAC configurations I can provide complete service for your existing Oracle DB as also install and configure your future Oracle database infrastructure. Cover 8i/9i/10g/11g/12c versions on Linux, Windows, Solaris, HP-UX. - File system, raw devices, ASM. - Oracle DB performance tuning - Backup and recovery solutions for Oracle DB - Dataguard solutions - High availability solutions - Data management - Security configuration - Exadata X2, X4 administration, configuration, tuning - Installation and configuration OEM version 10g, 11g, 12c Oracle Сertificates: - Oracle Database 11g Performance Tuning Certified Expert - OCP DBA 11g - OCP DBA 10g - SQL Certified Expert - Linux Certified Expert - Exadata 11g Certified Implementation Specialist LinkedIn profile: ua.linkedin.com/in/andreykhudyakov/

    $33.33 /hr
    318 hours
    5.00
  7. Rostyslav Y.

    Rostyslav Y.

    Linux Administrator and Speed+Cost Optimization Expert

    Austria - Last active: 3 days ago - Tests: 4 - Portfolio: 2

    Over 7 years of experience in: Platforms: VPS, EC2, Linode, Rackspace, Azure and DigitalOcean Linux: Ubuntu, Debian, CentOS Web servers: Nginx, Apache, PHP-FPM, HHVM, Memcached and Varnish Databases: MySQL, MariaDB, Percona Control panels: WHM, cPanel, Plesk, Webmin, Webuzo, Ajenti CMSs: WordPress, Joomla, Drupal, Magento, phpBB Mail: Exim, Sendmail, Postfix, deliverability Monitoring: Piwik, Munin, Monit DevOps: Vagrant, Docker, Puppet Advanced AWS setups, S3, RDS, ELB, Route 53, VPC Migrations and backups Server performance tuning and page speed optimization Reducing costs

    $35.00 /hr
    1,302 hours
    5.00
  8. Evangelos E.

    Evangelos E.

    Amazon Cloud

    Cyprus - Last active: 20 days ago - Tests: 1

    Over the past 15 years I have been involved in systems and network engineering across heterogeneous environments. During the last 7 years I have worked in the design and implementation of Virtualization solutions with VMware and small to medium size Datacenters. For the last 2 years I worked on several Cloud Migration, SaaS Deployment projects and Architecting/Managing Amazon SaaS Environments. Some recent responsibilities/projects include: * Server Operating Systems: Amazon Linux, Windows Servers * Monitoring/Trending/Notification with CloudWatch, SNS, Nagios, Munin, DotCom-Monitor * Design/Implementation of SaaS Environment in multiple Amazon VPCs * Amazon Console Security using IAM / CLI and API Tools * Database Services utilizing Oracle, MSSQL and MySQL RDS * Reverse-Proxying/Load-Balancing using Nginx, HAProxy and Amazon ELB * Storage/Content Delivery utilizing CloudFront with S3 and Akamai * Host Intrusion Detection utilizing OSSEC (AlienVault) * Vulnerability Assessment utilizing QualysGuard (internally to VPC and externally to websites) * Application Servers: JBoss, Oracle Application Server, WebLogic * Email Servers: Sendmail, Procmail, Postfix * VPNs: Cisco VPN, Cisco Anyconnect, OpenVPN, OpenVPN Access Server * Automation of Amazon Deployments with Chef and Cloudformation * Server Migrations to the Cloud using Double-Take, Amazon VMDK Import, Rsync

    $50.00 /hr
    6,963 hours
    5.00
  9. Rahul J.

    Rahul J.

    Java/j2ee cosultant and web developer

    India - Last active: 3 days ago - Tests: 6 - Portfolio: 15

    "Provide quality solution for the problems irrespective of its size and value". I Have 13+ years of experience in application design and development. I have worked with leading IT companies in India and for leading and fortune customers across the globe. My core competency have been into Web Application Design and Development using Java/J2EE related technologies. I have been relative experience in Wordpress based website development. Skill Set : **************** Programing Languages : Java/J2EE, PHP, SQL Frameworks: Struts, Hibernate Database : MySQL, SQL Server, Oracle Servers : Apache, Tomcat, Weblogic Dev Platforms : Wordpress Web components : HTML, CSS, AJAX, JQuery, javascript JS Framework: Knockout, Crossroads js , History js, Angular js, Node js, qunit IDE : Eclipse Version Control : SVN, Mercurial, VSS Looking forward to work with you. ~Rahul Jha

    $30.00 /hr
    2,683 hours
    5.00
  10. Ahmed omar A.

    Ahmed omar A.

    WordPress Expert and Web Consultant

    Pakistan - Last active: 12 days ago - Tests: 16 - Portfolio: 22

    People pay me for my head, trust me for my heart and value me most when I use both. "Great guy to work with. Ahmed went above and beyond in his efforts to deliver a superior product....." - WCINC When you suffer and struggle to decide what and how to put up on the WWW, i can name it and claim it in a few hours... "Ahmed is a tremendous asset to anyone who needs assistance with websites. He is extremely knowledgeable on Wordpress and is able to understand......." - DVM Hello and thank you for reviewing my profile. I offer complete design services for business and personal web presence. My Services: 1 - Use of Wordpress as a CMS to manage any type of websites. 2 - Customisation of Wordpress Websites. 3 - Wordpress installation, upgrade and hosting transfer. 4 - Static HTML5/CSS design and development. This is my full-time work, as such I take all of my client projects very seriously. I am a specialized BPO Candidate willing to deliver turnkey solutions for your web existence that are cost effective and creative. From conventional website design to an e-commerce store, I am prepared to support the demands of your project, and will go the extra mile to find the solutions needed to support your project; giving you the tools required for long-term success. I have significant experience with EPN, PayPal and MIGS integration in WordPress and WooCommerce. ===================== I have a score of 4.40/5 in UK English Basic Skills I am in the top Top 10% of the skill on oDesk (verified by oDesk) ===================== I have a score of 4.75/5 in HTML5 , I am in the top 10% of the skill on oDesk (verified by oDesk) I have a score of 4.15/5 in Twitter Bootstrap I am in the top 20% of the skill on oDesk (verified by oDesk) I have a score of 3.0/5 in WordPress I am in the top 30% of the skill on oDesk (verified by oDesk) I have a score of 3.05/5 in mySQL Databases (verified by oDesk) I rank in top 10 and 20% in other marketing related tests. I have delivered multiple projects over the past few years and more recently: - WordPress Theme Customization - - Avada - - Enfold - - Beep! - - Jarvis - - others..., - HTML5/CSS3 Static Business and Corporate websites - PHP Scripts (Project Management, Virtual Patients, Document Management, etc) - Elastix (Call Center Solution) - vTiger CRM - Sugar CRM - Document Management Systems for SME Corporations - Moodle for VLE I try my level best to support my contractors and customers with 24/7 support and services, I have fluent English speaking skills, meaning, your requirements are comprehended accurately. I can single handedly handle Graphic Designing, WordPress, and HTML/CSS - HTML5/CSS3 work, and i don't sub-contract to others - meaning my deadlines are realistic and always met, as you can see from my feedback.

    $38.89 /hr
    189 hours
    4.99