Top Upwork Freelancers

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  1. Vitaly Soltysyak

    Vitaly Soltysyak

    MQL/Forex API Developer, MetaQuotes support, SQL Developer, RDB design

    Russia - Last active: 15 days ago - Tests: 5 - Portfolio: 3

    Primary skills: EA, indicators or scripts, any logic, any complexity. Adaptation, modification and optimization. MQL4 and MQL5. Forex Connect API development. Support and configuration of the MetaQuotes software (trading servers, backup servers, data centers, reporting service, bridges, feeds, etc). Developing of plugins for MetaQuotes Trading Servers. MT4 Server API, MT4 Manager API. ANSI SQL query programming; DB enterprise architecture modeling; DB structure and data modeling; T-SQL programming; SQL queries/storeds and DB model optimization.

    $33.33 /hr
    18 hours
    4.42
  2. Slawomir D.

    Slawomir D.

    Excel, VBA, Web scrapping Specialist

    Poland - Last active: 1 day ago - Tests: 9 - Portfolio: 8

    Specializing in Excel and VBA macro development, and using effective spreadsheet design to automate monotonous tasks and improve efficiencies. I benefit from 12 years experience in creating and using advanced spreadsheets to help with everything from generating customized reporting to aiding the running of a large operations department. I have worked on a great many large and small projects in the past, for both small businesses and large corporations. I am an experienced project manager, having overseen a great number of projects from conception to completion. I determine what is needed to complete each project by examining the most efficient course of achieving the objective. This often includes the incorporation of VBA programming to relieve the user from many tedious tasks. Projects I’ve worked on include invoice generators, P/O generators, quote generators, reporting generators, data entry forms, call centre aids, project management solutions, complex reporting, and data analysis, among many others.

    $15.00 /hr
    285 hours
    4.85
  3. Adrian A.

    Adrian A.

    Web Developer Perl/PHP/Javascript/AJAX/MVC/CMS

    Romania - Last active: 1 day ago - Tests: 4 - Portfolio: 2

    In the last 8 years I've been developing a wide range of web applications using Perl as main language, Catalyst/Dancer as MVC framework and PostGreSQL, MySQL as backend, Template::Toolkit, DBIx::Class, Rose::DB. Also, I've developed several web applications using Drupal, CakePHP and Codeigniter. I have experience using Perl, PHP, SQL (MySQL, PostGres, SQLite), MongoDB, Ajax, JQuery, JavaScript, OOP, software design and testing.

    Groups: Bluehost Developers and Designers

    $18.89 /hr
    1,607 hours
    4.81
  4. Kimani W.

    Kimani W.

    Expert Web developer with great backend and frontend skills

    Jamaica - Last active: 8 days ago - Tests: 4 - Portfolio: 3

    I am an expert developer with over 4 years professional web development experience. I have a deep interest in designing polished, secure, efficient, and user friendly web applications. I am knowledgeable about the different layers of the web stack, best practices, and current technologies such as HTML5, Ajax, REST, and NoSQL.

    $33.33 /hr
    1,088 hours
    4.99
  5. Piotr C.

    Piotr C.

    Experienced web developer (Python, Postgres, Unix)

    Poland - Last active: 1 day ago - Tests: 5

    Experienced web developer and unix administrator. My best skills include: * good team communication and project management * agile web development using Python and relational databases * deep knlowledge of web applications security * freeride snowboarding ;-) * RESTful and SOAP webservices * unix systems administration (FreeBSD and GNU/Linux) * profiling and optimization of applications

    $35.00 /hr
    1,860 hours
    5.00
  6. Timur Birsh

    Timur Birsh

    Unix Systems Expert and Oracle DBA

    Kazakhstan - Last active: 20 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
  7. Geza Akocsi

    Geza Akocsi

    Windows system and network administration, web development

    Hungary - Last active: 7 days ago - Tests: 4 - Portfolio: 1

    In the last 3 years I'm working as consultant, developer and system administrator in introduction of document management projects based on ELO system. (<a href="<a href="http://www.odesk.com/leaving_odesk.php?ref=http%3A%2F%2Fwww.elo.com"";;;; target="_blank">http://www.odesk.com/leaving_odesk.php?ref=http%3A%2F%2Fwww.elo.com"</a>;;;;; title="You are about to go to a URL outside odesk.com"><a href="http://www.odesk.com/leaving_odesk.php?ref=http%3A%2F%2Fwww.elo.com";;;; title="You are about to go to a URL outside odesk.com">http://www.elo.com</a></a>)I have 15 years of experience in system management in small business area. (Windows based servers and workstations, network planning and management.)In last five years I have designed and developed some websites from scratch, including areas of e-commerce and web-based business management.I have a lot of practice in remote management and it is my new tendency in my support field.

    $11.11 /hr
    17 hours
    4.81
  8. Dhruv Pandey

    Dhruv Pandey

    Software Development Expert

    India - Last active: 1 day ago - Tests: 2

    I’m highly proficient in software on various niches. Over the past few years I’ve built a huge exposure while communicating with other clients with special reference to software development either web based or desktop based applications. "I’m a self-starter and my goal is to provide an upright work that deems to satisfy my clients." I am expert in software development/maintenance. I have more than 9+ year experience in software track with using HTML, CSS, JQurery, Javascript, SQL Server 2005-08, Asp.net, Asp.net MCV3/4, Ado.net, C# etc.

    $12.22 /hr
    2,807 hours
    5.00
  9. Daniel Yavorovich

    Daniel Yavorovich

    System Administrator

    Ukraine - Last active: 1 month 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
    40 hours
    5.00
  10. Heidi R.

    Heidi R.

    Targeted Marketing Pieces That Get Results

    Canada - Last active: 2 days ago - Portfolio: 10

    Are the marketing campaigns for your company not getting you the results you're looking for? Do your direct-response letters, emails and ads fail to deliver enough leads and sales? I can help. With the right approach, you can attract more leads and convert more of those leads into paying customers. How? Simply by knowing your target audience. Understanding and addressing the problems and concerns your prospects face each day will put you ahead of your competition. As a former professional dancer, I am the perfect choice for all your dance related projects. As a current mother, I can give you an insider's perspective on all work related to parenting and childcare. But most importantly, I can deliver copy that generates leads and sales. Your time is valuable. You want a considerate writer who delivers quality work with no hassle. I guarantee you get what you want, when you want it.

    $39.00 /hr
    887 hours
    4.98