Top Upwork Freelancers

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  1. Stanislav Kotov

    Stanislav Kotov

    Network System Engineer/System Administrator - FreeBSD/Linux/Solaris

    Russia - Tests: 7

    I am Senior network engineer/Architect searching job at free time (usually few hours/day). Now i am working at Cisco/Juniper Partner in System Integration Company. I have built projects for ISP: IP and/or IP/MPLS networks from small provider (up to 700 users, pure IP/L2) to nationwide backbone and broadband networks (IP/MPLS Core with BGP and complex TE, B-RAs). All the MPLS services: Internet, L3VPN, VPLS, L2VPN, mVPN; including InterAS and CsC cases. Participate on all project stages from presale (equipment choose and design) to implementation and documenting, and further high-level support for networks, usually remote. I know in detail and have big practice of various network technologies: Routing: BGP, OSPF, EIGRP, ISIS, LDP, RSVP TE, NAT (all cases) VPN: MPLS VPN, GRE (PPTP, DMVPN), IPSEC Security: Firewall - Cisco PIX/ASA, Juniper SRX access-lists/filters - CBAC/ZBF QoS: can develop and deploy you traffic classes, implement marking and queuing and shaping, policies and your needs, including multi-color policers. Deploying different main and complementary services for ISP on UNIX/Linux/Solaris/Windows platforms, including virtualized ones: DHCP, DNS, Radius, Tacacs+, Mail, HTTP servers, SNMP, j/netflow collecting, integration with billing systems, MySQL and other. Big experience in automation: building different monitoring, configuration, self-healing scripts also for large amount of devices using multitasking. Bash, Perl scripting Have big experience in Cisco/Juniper product line from small routers to top line (CRS/TX Matrix). Also know and have practice of using many network hardware vendors (Extreme/Foundry/Dlink/Zyxel/Huawei). Programming experience: Perl (many scripting mainly on UNIX), PHP (made full project for university for student contract system, using MySQL, Javascript also), Shell scripting - bash, awk, sed, beginning to learn Python, C/C++ - some small application and system programming, MFC (Microsoft Foundation Classes), can easily modify program code. Also have experience in Windows administration AD deploying till W2003. Huge experience of user support. The rate can be lower if project topic is interesting for me but i don't have corresponding experience for it. I am taking full responsibility of my work. Have strong tradition to make documentation on my work. If you have big projects, which requires presence in the site we can discuss it.

    $56.00 /hr
    8 hours
    4.82
  2. Aurojeet P.

    Aurojeet P.

    A S/W Developer with experience in App devp in ORACLE and PowerBuilder

    India - Tests: 6 - Portfolio: 2

    Over the last 5+ years I have dedicated myself towards developing software in different domains and with different technologies for a varied range of platforms. Now I aim at new challenges which will not only help in developing my existing Technical skills but also help me in honing my non-technical and soft skills

    $13.61 /hr
    0 hours
    5.00
  3. Bhavin M.

    Bhavin M.

    8+ Years of experience, Expert iOS/Android/.Net Developer

    India - Tests: 1 - Portfolio: 9

    My name is Bhavin Mistry & I am a results-oriented individual with expertise in mobile application development, web-based applications development & business management. I possess the strong leadership, decision-making, problem solving, interpersonal & time management skills to make a project happen on time & on budget. I bring around synergy between technology and business growth requirement. Development calls for harnessing great technology & building strong relationships. A career enriched with domain & IT experience, I am an IT Managed Services Specialist and Project Manager with a proud, extensive background in delivering projects on time and on budget and providing technology solutions that help businesses excel. I am an accomplished navigator of the fast changing priorities of IT, projects, and operations. I achieve objectives through teamwork, excellent communication, and stakeholder management. I believe that Projects and Operations must co-exist and cooperate seamlessly only then true return on investment (RoI) of IT assets can be ensured. This is possible through structured frameworks and using best practices that only an experienced project management professional knows. Through various assignments listed below, my learning can be summarized as - Optimized operations ensure stability, efficiency, proactive risk mitigation and readiness for future. It's possible to achieve this and have played active roles in making this happen. I add value to any endeavor through my wide knowledge and experiences as well as my interpersonal skills that empower team to create success. During my career span, I have graduated from transactional to more strategic responsibilities successfully and the journey continues.

    $15.00 /hr
    0 hours
    4.55
  4. Oleg Burca

    Oleg Burca

    System, Network and Hosting administrator. Wordpress Specialist.

    Moldova - Tests: 5 - Portfolio: 2

    Hi, I am Linux and Windows administrator, with more than 8 years experience. Currently I'm working as DevOps specialist and SysAdmin for a development company. We create websites, online shops, APIs, applications and much more. I manage about 50 virtual and dedicated servers hosted on AWS, in our DataCenter and all around the world, runing on Windows Server 2008/2012 and Linux Ubuntu/Debian/CentOS. Most of them are Web Servers, but there are also DataBase servers, Mail, FTP and Application servers. Previously worked as engineer in a hosting company and was responsable for installing new services, configuring hosting servers, backup configuration, monitoring and clients support. Managed about 70 servers. I have good network administration skills and a lot of experience with WordPress. Worked a lot wit different panel for hosting, billing, datacenter administration, virtualization, VoIP and other. Latest year, most of projects managed by were hosted on AWS (Amazon Web Services). I am familiar with technologies, the abbreviations of names of those could scare many people: RDS, EC2, Reserved Instances, ELB, SES, SNS, AMI, IAM, S3, VPC, Elasticache, Route53, CloudWatch and others. I can help you plan, configure, scale, monitor, reduce costs of your AWS services. So, what can I do for you?! * First of all I can setup for you a Web Server. IIS on Windows, or Apache/Nginx on Linux. It can be also a mixed configuration with Nginx as frontend and apache for backend. It can be proxy, caching or load balancing configuration. Configure SSL certificates. * I can setup a mail server based on Postfix/Dovecot with antispam and antivirus functionality, with SSL/STARTTLS security. You will be able to use a webmail or dedicated client. * I can setup a File/FTP/WebDav server. * I can setup a MySQL server with PHPMyAdmin. * I can setup a backup solution for your server(s). * I can setup a DNS Server and solve all messing with domains and records for different purposes. * I can setup a virtualization server. * I can setup VoIP server (based on Asterisk/FreePBX). Configure trunks, extensions, conferencies and caller groups. * I can setup a Firewall or/and Gateway server, routers and switches. * I can setup or improve security for your server(s). * I can help you design scalable and reduntant cluster for web, database or application. * I can configure hosting services on AWS, estimate and optimize costs (Most experienced with EC2, RDS, ELB, Route53, SES, SNS). * I can setup Windows Exchange server. * I can setup Windows SharePoint server. * I can configure any business services offered by Google, Microsoft, Yandex or other. * I can migrate your site(s) to another hosting account or server. * I can improve your WordPress website performance and secure it. * I can assist or train you on all stuff about.

    $27.78 /hr
    0 hours
    5.00
  5. Scott Holmes

    Scott Holmes

    App Tester, Reviewer & Marketer

    United States

    I've been testing and reviewing apps as a freelancer since September 2013. I work freelance for 5 different Companies as a Tester and Reviewer. I have created some simple apps and look forward to providing an app development, testing and reviewing service of my own once I get some more experience! My company name is SphereApps I do Twitter and Facebook Marketing...

    $8.00 /hr
    0 hours
    5.00
  6. Artem Churyukin

    Artem Churyukin

    HTML5/JavaScript developer

    Russia - Tests: 8 - Portfolio: 10

    I have a huge 4-year experience in developing JavaScript-applications for any device that have browser: from simple games and single-page mobile applications to complex RIA-applications for animators. Excellent knowledge of pure JavaScript, HTML5, CSS3 and various libraries and tools: grunt, reqiure.js, jquery, jquery ui, twitter bootstrap, less, cordova / phonegap, meteor.js Skills in development for mobile devices (Android, iOS, Windows RT, Tizen). Experience in development on Node.js (both pure and Express framework), desktop (via node-webkit) and mobile (via phonegap / cordova) html5-applications. Basic knowledge in C / C ++ and PHP, database MySQL. Junior-level in Java (Play Framework).

    $27.78 /hr
    2 hours
    5.00
  7. Evgenii Kanivets

    Evgenii Kanivets

    Android Developer

    Ukraine - Tests: 3

    I am Android professional developer with a great experience in software development. I do not do much business on oDesk, but I have accomplished several great projects on the daylight job. I have an experience with next technologies: - Android SDK, Google Play Services, AppCompat lib, etc. - Native (C/C++) code integration using JNI and NDK. - Bluetooth Classic, Bluetooth Low Energy. - Camera API, MediaCodec. - Custom UI elements. - Enhanced image processing.

    $16.67 /hr
    0 hours
    5.00
  8. Jd P.

    Jd P.

    Flash/Flex Developer

    India - Tests: 2 - Portfolio: 2

    Computer & Designing Languages: Action Script 3.0, Action Script 2.0,Flash Communication Script, .Net (C#) MXML,HTML,SQL Server 2005, Core Java, Java Script, C, C++. Operating Systems: Desktop:Macintosh OS X,Windows 7/Vista/XP/2003/2000/98. Mobile: iOS, Android Applications: Adobe Flash Builder, Adobe Flex Builder, Adobe Flash Media Server, WebOrb Adobe Flash Professional CS3/CS5, SQLite, Microsoft Visual Studio 2008, Net Beans 6.0, Front Page, Microsoft Office,Adobe Photoshop CS2/CS3/CS4, Corel Paint Shop X2/X3

    $11.11 /hr
    0 hours
    5.00
  9. Viacheslav Pryimachenko

    Viacheslav Pryimachenko

    iOS Developer

    Ukraine - Tests: 3 - Portfolio: 8

    New project in portfolio every week! ----------------------------------------------------------------------------------------------------------- Skilled iOS developer with more than 2 years of experience. Social networks (Facebook, Twitter, Google+, etc.), location services, push services and many more. ----------------------------------------------------------------------------------------------------------- I have my own team of iOS, Android and Back-end developers. Can deliver the full cycle of app development ----------------------------------------------------------------------------------------------------------- I'm looking for a possibility of developing applications from ground level ones to complex solutions. Providing customer's satisfaction by offering best quality within less time. Hiring me will save you money, time and nerves.w

    $15.00 /hr
    10 hours
    5.00
  10. Evgeniy Fetisov

    Evgeniy Fetisov

    Full stack developer, java, javescript, php, mysql, nosql, linux, etc.

    Belarus - Tests: 5

    Looking for an full stack developer? I code mainly on js, java, php, python. My skills: Javascript (AngularJS, NodeJs, ExpressJs, Mockito, TypeScript, Jquery, Extjs, CasperJs/PhantomJs, Underscore) Java (Spirng mvc, Elastic Search, Solr, Hibernate, Play framework, Android SDK, OrmLite) Php 5 (Zend framework, Symfony, Codeigniter, Kohana, Laravel, Phalcon) Python (Django, Twisted) Others: Html5, Css3, Less, Material design, Twitter bootstrap, Mysql, Redis, MongoDB, Sphinx search, Git, Git flow, Svn, Linux, Bash, AWK. I participated in development large enterprise portals for example sap.com. support.sap.com, also have experience in development hi load site: mp3olimp.net. Also I'm extremely motivated and love challenging tasks. If you have really interesting tasks please contact me.

    $25.00 /hr
    0 hours
    5.00