Top Upwork Freelancers

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  1. David Morales

    David Morales

    Telemarketing Expert/ Data Entry Specialist/ VA Assistant

    Nicaragua - Last active: 1 day ago - Tests: 4

    I've been in the call center industry since 2004. My greatest asset is being bilingual which can be use as a double-edged sword. My previous job experience include Debt Consultant, inbound sales for Sprint, virtual assistant for U.S. Cellular, Outbound sales for Adwords, lead generator for Real Estate and outbound sales for Medical Life Alert just to name a few. I have my skills that I can use to help any company grow. Therefore, I am confident that I can offer a successful outcome both to the company and myself.

    $4.50 /hr
    148 hours
    0.00
  2. Denis C.

    Denis C.

    Expert System Engineer

    Moldova - Last active: 1 month ago - Tests: 9

    PROFILE – A self-motivated and committed system administrator with exposure to a wide range of technical areas, focused on delivering best experience to the end-users – Nine years of experience in administering business–critical application stacks such as banking software, middle-ware, billing systems, Telecom-specific applications; troubleshooting complex issues, managing both production environments and databases of highly respected companies – Performed upgrades planning, software developing and documenting the knowledge – Highly adaptable and quick to learn new skills – Six years of customer service experience MAIN TECHNICAL SKILLS O/S: HP-UX, SunOS, AIX, RedHat, CentOS, Debian – installation/configuration Software: MySql Server – installation/configuration Apache Web Server – installation/configuration Nginx – installation/configuration Apache Tomcat – installation/configuration Redhat JBoss Application Server – maintenance Oracle WebLogic Application Server – maintenance Oracle Tuxedo – maintenance Oracle Database – maintenance CVS – codebase maintenance HP Quality Centre – configuration/maintenance SSH Server – installation/configuration Telecom–specific Billing Applications (Amdocs Ensemble, Oracle BRM) – maintenance Oracle VM VirtualBox – installation/configuration Languages: Python – 1.5 years Perl – 3 years AWK – 4 years Shell Scripting – 5 years SQL (mysql and Oracle) – 4 years Java – 0.5 years PROFESSIONAL EXPERIENCE – Billing System Engineer, Team Lead (3 persons in submission): 2010 - 2013 – Software Developer: 2008 – 2010 – Senior System Engineer: 2003 – 2008

    $16.67 /hr
    0 hours
    0.00
  3. Dwayne Ewens

    Dwayne Ewens

    Independent Contractor

    United States - Last active: 2 months ago - Tests: 1

    17 years Software Development and QA experience in testing client/server applications, ERP, CRM, and other web-based applications. Experience writing and negotiating requirement contracts for various industries including US Air Force / US Government., aircraft industry, commercial software, oil & gas, and education utilizing the SEI -CMM process for business infrastructure. SUMMARY • Strong application lifecycle management • Developed well interpretation applications for down hole devices and oil & gas surveys • Conducted reviews for testing, debugging and coding software in C++, Visual Basic, Fortran, and Java 7 • Provided analysis for sequencing and plotting oil & gas survey data • Managed and implemented new requirements and developing supporting documentation • Configured and setup project applications for deployment • Served as lead on deploying and configuring PeopleSoft Financial, HCM, CRM • Coded with Ruby on Rails, C++, Java and scripting with JavaScript • Developed software application in C++, C# and Visual Basic in Dev. Studio Desktop 2012

    Groups: LoginRadius

    $33.33 /hr
    0 hours
    0.00
  4. Rahul W.

    Rahul W.

    Consultant

    India - Last active: 11 days ago - Portfolio: 2

    Almost 5 Years of proven working experience of J2EE Related Projects and Currently working on ERP workflow application using JSF, ICE Faces with Hyperion Integration . Web Frameworks, Servers and Tools: - Struts MVC, Spring , Log4J, Axis Web Service, SOLR , Jason Objects Persistence Layer and O/R Mapping Tools : -Hibernate3.0+JPA (Java Persistence API), JDBC Application Presentation Layer: -Struts Tags, JSP, ICE Faces, JSF Ajax Framework:-ZK Framework,ZK MVC,ZK MVVM, DWR frame work. Application Server : - Weblogic 9.2, Jboss, Glassfish, Tomcat 6.0

    $11.11 /hr
    0 hours
    0.00
  5. Nenad Vico

    Nenad Vico

    Architect

    Serbia - Last active: 24 days ago - Tests: 4 - Portfolio: 1

    Java Architect, Over 10 years of experience using: J2EE, Spring, Hibernate, JPA, Struts, GWT, Smart GWT, WebServices, Applets, Servlets, Swing, Swt, Ant, Maven, Apache libraries, Dods, Axis, JUnit, EasyMock, Dwr, JasperReports, Velocity, FreeMarker, Code generators, Twter4j, REST, POI, Fax4J, CXF, JSF, Spring Boot, Spring Rest, Spring Security, Spring Integration, Spring Batch, Hadoop, Cassandra, Hbase, Hive, Sqoop, Solr, Cammel, Angular, Bootstrap

    $27.78 /hr
    0 hours
    0.00
  6. Carlos Cerrato Estrada

    Carlos Cerrato Estrada

    Web Developer

    Costa Rica - Last active: 9 days ago - Tests: 1

    Web Development: Web Front End Development with jQuery, Angular, React.js and Bootstrap. Backend with Node.js on linux and .Net on Windows Server SharePoint Expert: Expert SharePoint solutions developer with workflows, web parts, user controls, custom master pages, page layouts, custom web services, SharePoint 2013 applications and more. .Net C#, MVC Applications, WCF Services, Web API, PowerShell Scripts, Linq, Entity Framework Business Intelligence: SQL Server Integration Services Packages, Reporting Services Reports, PowerPivot, PerformancePoint and Excel Dashboards. Project Lead: Software development for Ministry of Finance of Honduras. Business Intelligence platform implementation for Ficohsa Bank Honduras

    $20.00 /hr
    4 hours
    0.00
  7. Roger Gartz

    Roger Gartz

    Business Intelligence Analyst with SAP BW experience

    Brazil - Last active: 8 days ago - Tests: 2

    BI Analyst/Architect with 6 years experience in SAP BW 3.x/7.x. Data modeling and development of InfoCubes, InfoObjetcs, DSO's, InfoSets, MultiProviders. Use of EDW architecture like LSA. Elaboration of generic Data Source SAP. ETL rules development in ABAP. Reporting with BEx, BO Web Intelligence, BO Dashboards, BO Analysis for OLAP and BO Explorer. Elaboration of functional specification. Process monitoring data load. Activation of BI Content and customization. Knowledge of PL / SQL.

    $20.00 /hr
    0 hours
    0.00
  8. Mateus B.

    Mateus B.

    System Administrator

    Brazil - Last active: 22 days ago - Tests: 4

    I have been working as Linux System Administrator for 7 years. I design and install infrastructures for high-available applications. Expert in all flavors of Linux and Unix - including system setup, administration, security/hardening, monitoring, scripting, and troubleshooting. Heavy experience in various cloud providers including Amazon AWS. Services: ✔DNS ✔Email ✔Firewall ✔Ldap ✔Proxy ✔Web Applications: ✔Apache ✔Bacula ✔Bind ✔Ganglia ✔Iptables ✔MySQL ✔Nagios ✔NFS ✔OpenLdap ✔OpenVPN ✔Postfix ✔Samba ✔Squid ✔Wordpress Programming Languages: ✔PHP ✔Ruby ✔Shell Script Networking: ✔Ethernet ✔Infiniband ✔Wireless Operating System: ✔CentOS ✔Debian ✔Fedora ✔FreeNAS ✔OpenSUSE ✔PfSense ✔RedHat ✔Solaris ✔Ubuntu

    $33.00 /hr
    0 hours
    0.00
  9. Sergey Karatkevich

    Sergey Karatkevich

    DevOps

    Cyprus - Last active: 1 month ago - Tests: 8

    My key principles: * Simplicity - just describe you problem. I will offer you a solutions and your problem will be fixed. * Flexibility - flexible prices, work hours and contract terms. Each client is special. Onsite works welcome! * Scale and growth - I glad to help you grow up from a small project to the international business on several continents, step by step. * Trust and success - lot of clients trust me already and their business is successful. I sure I can help you too!

    $15.56 /hr
    0 hours
    0.00
  10. Stephen S.

    Stephen S.

    Business Analyst and Project Manager

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

    Linked in Profile ssalaka 15+ years of varied industry experience (including extensive consultation work with large cap and fortune 500 organizations) in both software development and systems engineering as well as overall project management and client development/consulting; significant experience with Linux and Windows (mixed) environments and programming experience (including C#, JAVA, C/C++, shell scripting, and SQL), an MBA in Information Technology, and a solid understanding of complete systems lifecycle development/deployment/and support with a solid focus on applying process optimization strategies (Lean, TQM, 6 Sigma, etc...) My overall career path has been extremely varied, covering a wide range of tasks, duties and responsibilities (in an extensive breadth of industries) The main focus has been working in a (C#/JAVA/MSSQL) development;(Windows/Linux) deployment environment, designing and developing application/systems architecture for large scale portal (clustered and virtualized) applications, managing both development and server teams, designing and implementing systems security components, and deploying and managing network/infrastructure resources. Additional responsibilities have included client development/consulting, the integration of developed solutions into client project deployments, offshore team coordination, following development best practices to produce tested, integrated and fully-documented software solutions for Linux and Windows platforms (including Windows Mobile), and large scale systems roll out and deployments using both clustered (both hardware and software based) and virtualized (VMware) technologies. Business Level Japanese, JLPT Level 2 Conversational Spanish/German Specialties: Project Management, Software Development, Software Architecture, Systems Engineering/Architecture, Network Engineering, Programming, Troubleshooting/Maintenance, System Security, Software Architect, JPLT 2kyuu, DBA, MCTS, MCPD, MCSE 2003, SCJD 1.6, Security+, Lean Agent Certification, PMP, Six Sigma Black Belt Process Optimization

    $125.00 /hr
    0 hours
    0.00