Top Upwork Freelancers

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  1. Hiren Bhadreshwara

    Hiren Bhadreshwara

    Hiren

    India - Tests: 2 - Portfolio: 5

    - Five plus years of experience in analysis, design, development, testing, implementation and maintenance of applications on iOS devices Applications. Expertise in client -server programming, Graphical User Interface, Extensive experience in developing applications, Has good background in computer science and practical programming skills, willing to learn and adapt to new challenges. Have a strong interpersonal skill, which provides me the ability to interact with End-Users, Managers, Technical Personnel, etc. Self-motivated, quick learner and team player. Have excellent work ethics, and is team oriented with strong analytical and leadership qualities. - Develop innovative mobile solutions with iPhone/iPad/iPod, Objective-C, REST. - Proficient in object oriented programming in Objective-C & IPhone SDK 3.0 to 8 versions. - Proficient in MVC, REST, JSON and XML. - Proficient in Mac OS X, Windows. - Expert with five years experience of full Mobile Software Development Life Cycle gathering. - Requirements, design, coding, integration and testing.

    $20.00 /hr
    99 hours
    5.00
  2. Vladimir Nedogarko

    Vladimir Nedogarko

    Seasoned DB architect. CodeIgniter / Yii / Zend developer

    Ukraine - Tests: 4 - Portfolio: 5

    Hello! I have solid development experience both in databases (designing and building structures of databases for complex information systems; writing triggers, views, stored procedures, functions etc.) and php frameworks development (Yii, Zend and CodeIggniter in particular). Had good prior experience with ExtJS. So I will be able to offer high-quality solutions for your business and personal needs. Please contact me to discuss more details of your projects.

    $25.00 /hr
    16 hours
    5.00
  3. Mohammed S.

    Mohammed S.

    Software Architect

    India - Tests: 5

    I have been developing web applications and administering Unix/Linux systems (mainly LAMP/LAPP/Tomcat, Java) for years. I am a seasoned web developer who can conjure up powerful web apps. A good administrator who enjoys taming Linux/Unix systems. I use the following technologies : Java, Perl(mod_perl, CGI and FastCGI), PHP, Relational Databses(PostgreSQL, MySQL and Oracle), JavaScript, Ajax, Apache, Tomcat etc. I am a fan of Cloud Computing and I like building and maintaining Cloud infrastructure, mainly Amazon and Rackspace. Currently I have good knowledge in EC2,EBS,AMIs,S3,VPC etc and I am exploring more. My other expertise include : Automation using Perl/Bash, Bind(DNS), Mail Servers, WHM/cPanel, Hosting and Domain management etc.

    Groups: Bluehost Developers and Designers

    $27.78 /hr
    3,821 hours
    4.99
  4. Jagan K

    Jagan K

    Expert programmer in Java,J2EE and Web development technologies

    India - Tests: 5

    I have been in software development for more than 5.5 years, working on various J2EE and Web development technologies. Expertise in delivering transaction critical, high volume quality systems to various clients. My works include developing various applications involving technologies like JSF, Primefaces, Spring, Struts, EJB, JPA, Web services (JAX RS/WS) and many more I am also proficient in Web technologies like Angular Js, HTML, CSS and JQuery. I also have extensive experience in Sequel and PL/Sequel using Oracle and MySQL databases. I have good ability in understanding and analyzing the client requirements and convert them into technical solutions.

    $16.67 /hr
    32 hours
    4.93
  5. Andrey Varakin

    Andrey Varakin

    QA engineer

    Ukraine

    Working experience as IT teacher and training officer. • Taught some IT courses: * Technology of computer data processing * Computer fundamentals * Computer support and maintenance * Internet technologies • Discharged my obligations as a form-master • Summary of skills: * Web Technologies: # HTML # CSS # WebDriver * Programming: # Pascal # Basic # Ruby * DBMS technologies: # SQL language # MySQL DBMS

    $18.89 /hr
    4,988 hours
    5.00
  6. Rod Ryan Lopez

    Rod Ryan Lopez

    Systems/Server Administrator / Network Admin / IT Service Desk Analyst

    Philippines - Tests: 1

    CAREER OBJECTIVE: To deliver with the highest efficiency the technical skills and experiences learned combined with personal values and desirable attitudes. Meet the client’s expectation and satisfaction towards company success. SKILLS: NETWORK SECURITY ADMINISTRATION: ** Proficient in Network Security and Network Problem Troubleshooting. ** Experience in configuring of High End Enterprise CISCO Routers, Summit Extreme L3 and Alcatel Switches. ** Strong knowledge in Network Configuration, VOIP and Network Design Infrastructure of LAN and WAN convergence. ** Strong knowledge in IP Addressing / Subnetting IPV4. ** Strong knowledge in Wireless LAN and 802.1x authentication network infrastructure. ** Strong knowledge in Routers with different Routing Protocols. SYSTEMS SUPPORT AND SERVER ADMINISTRATION: ** Experience in Windows Server 2008 & 2003 Active Directory Administration. ** Experience in Microsoft Exchange 2010 / 2003 Administration. ** Server Virtualization Experience ** Experience in Hyper-V, Hypervisor or Virtual Machine ** Experience in Symantec Backup Exec 2012/2010 and Symantec Endpoint Protection Manager. ** Experience in Amazon Route 53 Domain Management. ** Strong knowledge in Windows OS platforms, Wordpress and SonicWall. ** Strong Desktop Support troubleshooting skills (Hardware & Software). ** Knowledgeable in Citrix Administration. ** Software Installation of Anti-virus, Windows and Linux Red Hat platforms. ** Virus Removal and Prevention. IT SERVICE DESK SUPPORT (with ITIL concepts): ** 1st and 2nd line technical support; answering support queries via phone, email, remote and desk-side support. ** Maintained a high degree of customer service for all support queries and adhere to all service management principles. ** Take ownership of user problems and be proactive when dealing with user issues and to log all calls in the service desk ticketing system. ** Monitoring of ticket queue and ensure all request and issues are resolved in an efficient and timely manner. ** Set up, install and test PCs and peripherals for users. ** Served as technical resource to answer questions, identify needs, make recommendations, and carry out research. ** Maintained professional and technical knowledge by reviewing related professional publications. ** Undertake any other reasonable duties as requested by the IT Manager and Service Desk Team Leader. ACHIEVEMENTS: ** Completed and Passed Japanese Elementary 1 Course.

    $5.56 /hr
    8,203 hours
    4.31
  7. Dali Freire

    Dali Freire

    Java Back-End Developer

    Brazil - Tests: 4

    Solid experience in software development. Oracle Certified Professional (Java), Bachelor and Master in Computer Science with over 9 years’ experience in Java programming (JavaEE and JavaSE), as well as with similar technologies like Spring, Hibernate, JPA, JSF, JAX-WS, JMS, Maven, Tomcat, JBoss, WebSphere Application Server, WebSphere Message Queue (MQ), Oracle database, MySQL, Subversion (SVN), GitHub. Currently working as a Java Technical Leader in Scopus Tecnologia Ltda (Uberlândia/MG/Brazil) working mainly on projects for Bradesco Bank using JavaEE technology.

    $20.00 /hr
    378 hours
    5.00
  8. Vineeth Mohan

    Vineeth Mohan

    Data scientist

    India - Tests: 1

    Auther of the book Elasticsearch blueprints - https://www.packtpub.com/big-data-and-business-intelligence/elasticsearch-search-patterns Elasticsearch certified trainer who have conducted trainer for number of MNC’s like microsoft , flipkart , cisco and philips Live project – factweavers.com/mediaBuzz/# Stackoverflow - http://stackoverflow.com/users/976646/vineeth-mohan Stackoverflow Careers - http://careers.stackoverflow.com/vineethmohan Linkedin - http://lnkd.in/hcsHyZ Github - https://github.com/Vineeth-Mohan Career (Experience –75 years) • Architect/Data scientist at Algotree Research private limited (June 2011 to Present) • Software Engineer at Yahoo! India (March 2009 – May 2011) • Internship as Service engineer at Yahoo!India (May 2008 – to February 2009) Career highlights and honors received ● End to end design and management of Newsmills from inception to completion. ● Knowledge acquisition and adoption of various open source tools and technologies ( Mahout , Elasticsearch , Opengamma , cleo , Rstudio-server , D3 js , Twitter Bootstrap) to meet the requirements of the management. ● Spot bonus award at yahoo ● Various appreciation awards from coworkers – yahoo ● Chairman of MACS(Model engineering college association of computer science students) – 2008 , various inter collage technical competition awards at collage. Behavioral Competencies ● Clear in-depth conceptual clarity on the subject along with knowledge gathering skills. ● Self-motivated and can work with less or no management. ● Passion to adopt the best suited technology and attain the best performance. ● Clearly sets the boundary between code quality and business deliverables. Technical Skills ● Languages: ● Application level languages – Java ● Machine learning tool – Mahout ● Statistical languages - R ● Scripting – Perl, Shell , Awk , Sed ● Web technologies – HTML,Javascript ,CSS , jQuery , Bootstrap. ● Expert in Technology and Tools : Elasticsearch , Lucene , Opengamma , Cleo. ● Systems: Unix Operating System (LINUX – Ubuntu , Debian , Red Hat) ● Strong computer fundamentals in Data Structures and Algorithms, automata languages and computation.

    $34.00 /hr
    95 hours
    5.00
  9. Ivan S.

    Ivan S.

    web dev: Magento, Symfony2, OroCRM

    Ukraine - Tests: 6 - Portfolio: 1

    A little bit outdated bio: Over the last 5 years, I have developed a wide range of websites using HMTL, xHTML, PHP, MySQL and variety of APIs such as Google Maps, Yandex Maps, Yahoo Answers, including sites for small businesses and individual customer needs. I am seeking opportunities to build simple and complex web systems from the ground up for you or your business.I also have some experience in the following areas: regular expressions, Geo-Informational Systems, SQL, Ajax, OOP, software design and testing.I have experience with few frameworks (ZendFramework, symfony, Codeigniter, Yii, Kohana), APIs (Google Maps, Yahoo answers, ebay, amazon), mysql and postgre databases, plain sql (can write queries without ORM engine, and can do it with them), worked with Doctrine and Propel.I'm also able to write data extractors with regular expressions, can setup lamp stack at my own.I'm sure that we can discuss your project and tasks to make decision acceptable by both parties.Feel free to contact me at any time.

    $25.00 /hr
    295 hours
    4.55
  10. Danyal F.

    Danyal F.

    Software Developer | Web Applications | Apache Solr Guru | 4 Years Exp

    United States - Tests: 7 - Portfolio: 2

    I'm a programmer that can work with both web and desktop applications. Currently I'm working with PHP & CodeIgniter mainly, to develop a web service for Visneta located in Philadelphia, PA. I have also created web applications using various other frameworks such as Drupal(PHP), Django(Python), and Ruby-on-Rails(Ruby). I am a recent graduate from the University of North Carolina at Chapel Hill with a Bachelors of Science in Computer Science. I have full knowledge of the LAMP stack, I can develop a database architecture and implement it using various frameworks as well as design a user friendly interface for clients to engage with.

    $15.00 /hr
    92 hours
    3.95