Top Upwork Freelancers

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  1. Stanislav Kotov

    Stanislav Kotov

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

    Russia - Last active: 21 days ago - 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. Jeff N.

    Jeff N.

    Senior iOS Engineer

    United States - Last active: 1 day ago - Tests: 2 - Portfolio: 3

    I am an iOS engineer with 4 years of industry experience creating high-quality iOS apps that are used by millions of users. I have a degree in Computer Science and iOS concentration from the University of Denver. I focus on consumer-facing applications that have high visibility and a high feature rate by Apple in the App Store. My apps have over 6 million total downloads. I have implemented Push Notifications, Background Processes, Audio, Video, JSON APIs, iOS 7/8 UIKit Animations, In-app purchases, and 100% custom UI applications.

    $110.00 /hr
    0 hours
    5.00
  3. Vladimir D.

    Vladimir D.

    MediaIn.mk

    Macedonia - Last active: 1 month ago - Tests: 4 - Portfolio: 1

    Our goal is to provide solutions for improving our customers working processes, enabling efficient use of the Information Technologies, to design a unique visual language that translates your passion into reality and to promote that vision to the Internet public. Think outside the box and let us provide you with a unique user experience for increased customer loyalty, by standing out of the crowd and get a turnkey solution for your business. MediaIn is a software development company since 2009. In order to comply with our clients needs we provide a package of integrated IT services that contains almost everything what is required for a modern business to stay competitive and on top. Custom software design and development, Technical support, Software testing and assurance, Reverse engineering, Embedded applications. We provide maintenance and development of large-scale web-applications for anyone, small or large businesses and individuals, and not just specified implementation, but support until the product can become self maintainable and supports it's own growth. AMP: PHP(Kohana framework), ajax, jquery, apache, web-services\SOAP. C#, C++, embedded C, ASP.NET, SharePOINT, LINQ, MVC.NET 2FRAMEWORK, AJAX.NET, Web Forms, Web Services, Windows Forms Programming (C#), Microsoft Visual Studio.NET 2010, 2008, 2005, 2003, Nlog, Log4Net, NUnit, Spring.NET, Telerik Controls, Telerik Report, DevExpress Controls, Crystal Reports. Mobile platforms: Android, Android OS, Windows MOBILE. Database: MSSQL, MS ACCESS, MySQL,ORACLE.

    $24.44 /hr
    5 hours
    5.00
  4. Tony R.

    Tony R.

    Professional Android App Development, Quickly

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

    Quick, efficient, and professional, with nearly two years of Android app development experience. I am seeking opportunities to expand my portfolio and transition to full-time freelancing work developing mobile apps. I am also skilled in Java, XML, OOP, SQLite, and Twitter / Crashlytics integration. What you'll get when you hire me: * A professional determined to make your vision a reality. * Responsive, timely, and professional communication. * Commitment to getting the project done on time and on budget. * Apps that meet the new Material design guidelines of Android 5 Lollipop. * Clean, well-documented code.

    $33.33 /hr
    3 hours
    5.00
  5. Rajeev Pulleti

    Rajeev Pulleti

    iOS Devloper

    India - Last active: 1 day ago - Tests: 6 - Portfolio: 3

    I am a passionated iOS developer with experience of 2 years.I have Developed extensive experience and expertise in building world class iPhone, iPad.iPhone and iPad applications for a range of domains like retail, construction, healthcare, transportation, eCommerce, gaming, business productivity, publishing. Expert in: Restful web services integration, Apple push notifications, Map kit. location and GPS, exchanging photos and videos to server, Quartz core and Core animations, Sqlite and coredata.

    $11.11 /hr
    0 hours
    5.00
  6. Bhavin M.

    Bhavin M.

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

    India - Last active: 4 days ago - 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
  7. Nasir M.

    Nasir M.

    Web designer and devleoper

    Pakistan - Last active: 7 days ago - Tests: 3 - Portfolio: 2

    Web designer & developer with over 6 years of experience in design and deploying commercial applications. I have created responsive websites with awesome graphics. I create awesome looking interfaces and have strong command over creating great looking websites. other than websites: I have strong experiences in - iOS development - Android development - Games development

    $33.33 /hr
    0 hours
    5.00
  8. Mladen Stevanovic

    Mladen Stevanovic

    Web developer

    Bosnia and Herzegovina - Last active: 1 day ago - Tests: 3 - Portfolio: 6

    I have M. Sc degree in information Technology(Software engineering). I have passion for code writing. I was developing web games and web sites. In the last months i specialized Google maps api. I am looking forward to exciting tasks. I prefer using Javascript, HTML5, PHP, mySql and actionscript/Flash to make functional web sites, games and other products.

    $14.32 /hr
    10 hours
    5.00
  9. Patrick F.

    Patrick F.

    iPhone / iPad / Game Development Rockstar

    United States - Last active: 1 month ago - Tests: 4 - Portfolio: 4

    I'm a regular jack of all trades. I've worked on games for PC/Mac, games for the web, games for consoles, and games for mobile devices. I have experience in senior and lead roles and a track record of successfully shipping products. I enjoy working on challenging problems and helping bring projects to life. Specialties: Game programming, performance analysis, optimization, SIMD programming, Unity3D, iOS & mobile LinkedIn: http://www.linkedin.com/in/patrickflanagan

    $85.00 /hr
    7 hours
    5.00
  10. Sergiy Z.

    Sergiy Z.

    iOS 8 (iPhone/iPad), Xcode, Objective-C, UI/UX

    Ukraine - Last active: 10 days ago - Tests: 5

    Category: - Mobile Apps Skills: * Xcode, * Objective-C * iOS(iPhone/iPad) - development * Multi iOS versions support. * Converting to automatic reference counting * Converting to iOS 8.0 design * Fix memory leaks * Performance improvement Category: - Application Interface Design - Engineering & Technical Design Skills: * iOS(iPhone/iPad) UI/UX - user interface any difficulty. Architecture of user interface design. Category: - Scripts & Utilities: Skills: * bash-shell-scripting - for basic automatization of build process (copy resources), auto .plist modifications (bundle version, icon files, app protocols support etc.). * javascript - to improve user experience with UIWebView. Category: - Software Project Management Skills: * Full iTunes Connect Application creation process (https://itunesconnect.apple.com) * Full developer portal app settings process (https://developer.apple.com) * Experience with small projects * Provide detailed requirements to projects (client-server applications, standalone applications) Category: - Software QA Skills: * software design * coding * source code control * code reviewing (high requirements to code style) * testing * release management And more: Consulting, solve single problem during Your development procces.

    $30.00 /hr
    6 hours
    5.00