Top Upwork Freelancers

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  1. Jesus Enrique Gutierrez Cortazar

    Jesus Enrique Gutierrez Cortazar

    Senior Software Developer

    Mexico - Last active: 1 month ago - Tests: 5

    I'm a full-stacl software developer. I use to follow and implement code standards and also to audit and modify code for a better performance, knowledge and understanding. The best part is that i love what i do as i live for it. It's like i'm beeing payed for having lots of fun. Wait, that's true in fact!!! I love technology and development innovation and i when i'm sleeping i dream about code, implementations and deployments. I have experience developing professional enterprise software solutions under many technologies, mainly with Java and Ruby On Rails. I have good written and verbal english communication skills. I consider myself as proactive, responsible and can be part of any team work. It doesn't matter what's the problem to solve or what's the programming language to solve it, i can learn it and will solve it in the best possible way.

    $22.22 /hr
    1,413 hours
    5.00
  2. Chris H.

    Chris H.

    Web Developer (ASP.NET | MVC | AngularJS)

    United Kingdom - Last active: 2 days ago - Tests: 6 - Portfolio: 6

    Microsoft Certified Solutions Developer with over three years’ programming experience using .NET framework to deliver web and desktop applications. I’m a passionate C# developer with extensive knowledge and experience with: - ASP.NET back and frontend development, including WebAPI 2, MVC 5 - Client side scripting, JavaScript, jQuerry, AngularJS, Knockout - Clean and SEO-Friendly HTML5 and CSS - Task automation using Poweshell scripting and C# applications Committed to designing up to spec, reliable and extendable solutions. Focused on delivering quality work on time and within budget. Always open for communication. Highly flexible, independent contractor that will get the job done for you.

    $20.00 /hr
    199 hours
    5.00
  3. Maksim S.

    Maksim S.

    Software Developer & Architect

    Russia - Last active: 5 days ago - Tests: 6

    Hello, I'm strong C/C++/C#/Java/Javascript Windows, Android and Web Developer with 20 years of experience. Full cycle software development: analysis, design, implementation, testing, maintenance and support. I've built quite a bit of systems in the past from the ground up to success. I'll be glad to do the same for you. Regards, Max. PS: I'm several math olympiad winner both is school and university. Quick learner. These are areas I've been working with: Areas client side: Any Web (ASP.NET, ASP.NET MVC), WPF, Any Win32 (barebones, WTL, MFC), Win32 call hooking Android including NDK. Regular javascript and jQuery, Angular.js, Moustache.js Areas server side: ASP.NET, Java Spring, TSQL, node.js etc Most important is that I like other areas such as: Visual recognition, Data mining, Machine learning, Discrete process acquiring etc

    $30.00 /hr
    179 hours
    5.00
  4. Debal G.

    Debal G.

    Java/JEE Specialist

    India - Last active: 3 days ago - Tests: 3

    Around 9 years of software industry experience in Java and J2EE technology stack. Worked with industry standard web frameworks like Spring, Struts 1.x, Struts 2, JSF 2 with extensive SQL and PL/SQL exposure. Extensive experience with application servers like Websphere 6, JBoss 7, Apache Tomcat 7, Jetty etc. Experienced with distributed transaction management with 2PC protocol and involving heterogeneous transaction participants. Highly experienced in multi threaded standalone data flow engine development leveraging Java 5 concurrency framework. Proficient in enterprise integration with middle-ware technologies like Websphere MQ, Tibco EMS and integration framework like Spring-Integration.

    $27.78 /hr
    845 hours
    4.90
  5. Igor S.

    Igor S.

    Linux administrator, bash and powershell scripting

    Russia - Last active: 28 days ago - Tests: 2

    Hi, I’m a professional Linux,Oracle,Weblogic administrator with 8 years’ experience. I do enjoy to automate all tasks on Linux and Windows. I’d like to offer my services to you. I am very effective in: Linux System Administration: installation, configuration and repairing . Scripting : I am very experinced with it. I can automate all the tasks on Linux(bash,python,php-cli) and Windows(powershell). Oracle Database Administration :Installation, configuration, maintainance and troubleshooting Oracle 10g, 11g on various Linux and Windows platforms. Weblogic Administration : Installation and application deployment.

    $9.80 /hr
    30 hours
    4.98
  6. GM Roland Agreda

    GM Roland Agreda

    Linux System Administrator

    Philippines - Last active: 27 days ago - Tests: 2

    Hello, Equipped with years of experience, dedication, knowledge and expertise, i am confident i can be of great value to your company. I am very good at Wordpress and able to design/build and maintain a website, also do some SEO I have enough work experience with linux server, networking and system security, 8 years of experience with linux servers, i'm expert on push scripts, sandbox to production file push, and data retrieval, my previous job was senior system administrator to a bit-coin mining company. I have many experiences with web-hosting company and launching 3-5 sites daily, i am well experienced in WHM/Cpanel/WHCMS and DNS, i have knowledge with wordpress and drupal, and mail configuration MX settings. I love doing server maintenance, and i am available 24/7, i am used to using a staging system is to have a staging and production site, i am well experience on that method, last time i have program a cron job script to push the dev files to sandbox every 4hrs, the developer working on the dev site and no need to FTP to send to sandbox, i had it automatic push, then when the files is on Sandbox QA check the files before manually push to production server, also "manual push" but server side click only 1-2 sec done... Database and Files....

    $6.67 /hr
    178 hours
    4.98
  7. Evgeny V.

    Evgeny V.

    Expert in web development, PHP, JavaScript, database programming

    Russia - Last active: 6 hours ago - Tests: 5

    I have more than 5 years of experience in web-sites creating, using PHP/MySQL for backend and HTML/CSS/JavaScript for frontend. Also, I have been working with Oracle database for more than 10 years (procedures, functions, packages, triggers etc on PL/SQL). I have experience in developing client applications on C#. My skills: Web: PHP, JavaScript, jQuery, HTML5, CSS, WordPress, Bootstrap, Python Database: MySQL, Oracle 10g/9i/8i (PL/SQL as well), SQLite Desktop: C#, WPF

    $15.00 /hr
    15 hours
    5.00
  8. Pavel S.

    Pavel S.

    Java Developer

    Russia - Last active: 1 month ago - Tests: 5

    In programming since 2004 (Oracle pl/sql in Banks). Now I am Java Developer (3 year of J2EE web development). I have involved in website development using JSF 2, JSP 1.2, JSTL 1.2, Servlet 3.0, Spring, JDBC 4.0, Tomcat 7, MySql. Experience in Maven, JUnit, Mockito, Git, Jirra. Understand HTML, CSS, Sql, Java Script. I want to strengthen my knowledge in J2EE with your greate Team. Also I want to become Java Enterprise Architect and work hard for this! Looking for any part time job upto 10 hours per week.

    $16.67 /hr
    36 hours
    5.00
  9. Bhushan Katariya

    Bhushan Katariya

    Microsoft Windows and Exchange Analyst

    India - Last active: 1 month ago - Tests: 3

    A Highly motivated and result-oriented individual with over 10 years of experience in a professional environment having a great work culture and meticulous attention to detail with emphasis to customer satisfaction. Ability to achieve set targets and goals in a timely manner. Microsoft Certified System Engineer in Windows Server 2003 with Exchange and Technology Specialist in Windows Server 2008. Extensive hands-on experience in configuring, monitoring, upgrading, migrating and maintaining systems running Microsoft Exchange Server suite (2003 to 2013). Extensive hands-on experience in configuring, monitoring, upgrading, migrating and maintaining systems running Microsoft Active Directory Services(2003, 2008). Extensive hands-on experience in configuring, monitoring, and maintaining systems running Microsoft Cluster Services. Extensive hands-on experience in configuring, monitoring, upgrading, migrating and maintaining systems running Microsoft SharePoint Services(MOSS 2007). Troubleshooting Windows Server related issues(AD, DFS, IIS, DHCP, DNS, and WSUS) Projects, Installations, Configurations and Migrations etc. Configuring and troubleshooting on Mailbox, CAS, and Hub and Edge server roles installations. Configuring High availability solutions like Local Continuous Replication/Cluster Continuous Replication/Standby Continuous Replication technologies. Troubleshooting on Mailbox Migration, Public Folder replication, Database Inconsistency, Exchange services, Offline Address Book, Recovery Storage Groups. Implementing Disaster Recovery in exchange servers for recovering exchange information. Configuration and Troubleshooting External Mail flow (Inbound/Outbound), Mail flow between servers, Spam issues, Edge Synchronization. Configuring Anti spam/Transport agents, Application Relay, SMTP/Transport service problems. Analyzing and evaluating issues using various tools and utilities like EXBPA, EXTRA, ExMon, PFDAVAdmin, Exmerge, DCDIAG, NetDiag, NLtest, telnet, Replmon, AD modify, ADMT, MFCMAPI, etc. Installation, Configuration & Monitoring of Trend Micro Internet Messaging Security Suits & Symantec Endpoint Security. Basic Hygiene & Server hardening of all Windows OS, Linux OS & Subsystems likes IIS, ADS, and SQL Server etc. Security Health Check of all Windows & Linux OS. Ensure documentation of all activities & procedures adhering to organization standards.

    $13.33 /hr
    316 hours
    4.83
  10. Dmitriy K.

    Dmitriy K.

    Full-stack java developer

    Russia - Last active: 6 hours ago - Tests: 9

    Hello! My name is Dmitriy, I'm a passionate programmer. 10+ years of professional expertise in the Information Technologies industry. Rich expertise in Java SE/EE and related technologies (Core Java, Servlets, JSP, JSF, JDBC, Spring, Hibernate) Expertise in mobile development (Android platform, Apache Cordova, PhoneGap) DB design and development (Oracle, Postgresql, Elasticsearch, MongoDB) Client/server systems architecture and development Specialties: Java8 (Java Core, Spring, Vaadin, Guava, JSF, JDBC, Multithreading, Build environments: Ant, Maven); Clojure + Clojurescript with Om / Reagent; Groovy + Grails; HTML-CSS-JavaScript: jQuery, AngularJS, Bootstrap. Machine learning: Encog, Weka, R. Have a strong interest in functional programming languages (Clojure, Scala, Erlang, Haskell). Have some experience with Apache Mahout recommender engines. https://github.com/kagel

    $27.00 /hr
    26 hours
    5.00