Top Upwork Freelancers

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  1. Vladimir Arsov

    Vladimir Arsov

    Software Engineer

    Germany - Last active: 05/06/2014 - Tests: 3

    I have 15 years of programming experience, 9 years of experience with Java programming of which 5 years working as a professional. I have strong skills and experience with algorithms and data structures as well as java and java EE. During my professional experience I've worked with different frameworks and libraries. I have experience with Java persistence using JPA, Hibernate, JDBC, HQL, QueryDsl, Criteria API as well as using different types of databases, Oracle, MySql, Derby, H2. From web technologies I have advanced knowledge of javascript and jQuery, JSP, HTML, CSS and JSP tags. I also do QA on a daily basis, unit testing with jUnit and Mockito, UI testing with selenium and Thucydides.

    $18.89 /hr
    0 hours
    0.00
  2. Dmitry Karpushkin

    Dmitry Karpushkin

    Software Developer

    Russia - Last active: 10/23/2014 - Tests: 8 - Portfolio: 1

    Hi! I am passionate and talanted software engineer. The last 2 years I have been developing movile apps for Android and web application using ASP.NET. I am proficient in Java, Android SDK, Android Support Library C# .NET, ASP.NET, WPF JavaScirpt, jQuery, MSSQL, MySQL, PostgreSQL C, C++ cocos2d, unity3d PHP, Perl, cmd, bash

    $10.00 /hr
    0 hours
    0.00
  3. Presiyan Kostov

    Presiyan Kostov

    SAP ABAP developer

    Bulgaria - Last active: 5 months ago - Tests: 2 - Portfolio: 7

    I am an enthusiastic ABAP developer with an eye for detail, but open to the bigger picture of object requirements. My five year experience has allowed me to both grow my skills and assist my co-workers with their obstacles. I am interested in new challenging tasks and projects, open to learning new technologies and applying them in future implementations. I have experience in both GUI and WDA/WebUI applications. My core strengths in SAP modules includes CRM, HCM, RMS, DMS and SD. I am also comfortable with working in other fields as well.

    $12.00 /hr
    0 hours
    0.00
  4. David Martens

    David Martens

    Security and network R&D engineer

    Belgium - Last active: 08/31/2014 - Tests: 2

    Security Experience (CISSP and GPEN certified): Defense in depth, Architectural design, 802.1x network access, PKI, digital certificates, Wi-Fi security, Web and Network Penetration testing, Vulnerability assessment, Firewall configuration, OpenVPN Network Experience (CCNA certified): Specialized in designing and implementing LAN setups with focus on advanced switching and routing of IP video multicast streams. Experience with Cisco and Extreme Networks equipment. Project Management: Jira Agile General Experience: Debian Linux, Gstreamer, Multimedia streaming

    $38.89 /hr
    0 hours
    0.00
  5. DMITRII STRELNIKOV

    DMITRII STRELNIKOV

    Software developer

    Russia - Last active: 02/11/2014 - Tests: 2 - Portfolio: 1

    I have 2+ years of experience in industrial programming. Over the past years I was involved in developing of a large-scale application, using a wide variety of technologies, mostly based on .NET Framework (I described it in more detail in the "jobs" section). My primary language is C#. I have a good experience in using MSSQL Server, dealing with .NET technologies, such as WPF, WCF and Entity Framework. I have quite good algorithmic and mathematical basis, knowledge of OOP and design patterns, a lot of motivation and enthusiasm. If you are looking for an energetic person, ready to solve you problems, why not to try me?

    $11.11 /hr
    0 hours
    0.00
  6. David Szabo

    David Szabo

    Software Engineer

    Hungary - Last active: 08/21/2013 - Tests: 3

    Over the last 3 years I participated in both product development and client specific projects, using a wide range of technologies. Through these years my tasks mostly consisted of implementation of various functionalities in application, but I also have experience in testing and technical document writing. I am comfortable deeveloping in C++ and Java using related technologies but I also have experience using SQL, C#, Python, JavaScript. In my fee time I like to do small game development projects using new tools each time. I have used Unity, libGDX, cocos-2dx, Unreal Engine 4, SDL2, SFML so far.

    $6.67 /hr
    0 hours
    0.00
  7. Alexey V.

    Alexey V.

    Software developer & architect

    Russia - Last active: 6 months ago - Tests: 3

    My name is Alexey and I am a software developer with 15 years of experience. I was working on several big-data projects, natural language processing libraries, large tasks related to data mining, infrastructure, and many more. I am ready to create new or improve existing software of any reasonable complexity under any deadline conditions.

    $22.22 /hr
    0 hours
    0.00
  8. Marcin Rydz

    Marcin Rydz

    Oracle Professional

    Poland - Last active: 6 months ago - Tests: 1

    An Oracle professional with experience acquired during a wide range of projects in Banking, Insurance, Retail and Geodesy industries; Eight years of experience in analysis, design and implementation of IT solutions based on Oracle technologies and products: Oracle RDBMS 11g/10g/9i, SQL, PL/SQL, Oracle Forms/Reports, BI Publisher, E-Business Suite 11i, FlexCube 10, Oracle Retail; A solid background in the database and application performance tuning, database architecture design and solutions for data warehousing and ETL processes; Extensive experience in delivering comprehensive solutions for business – beginning with analysis and design through application programming and finishing with end-user trainings; A good learner, well-organized and committed enthusiast of Oracle technologies, particularly interested in ETL processes, data warehousing and business intelligence; Job type: Contract Contact: marcin.rydz.praca@gmail.com LinkedIn: https://www.linkedin.com/in/marcinrydzoracleprofessional Certificates: Oracle Database SQL Certified Expert Oracle PL/SQL Developer Certified Professional Oracle Database 11g Administrator Certified Professional Specialties: • Oracle SQL, analytical SQL, PL/SQL, BI Publisher, Oracle Forms/Reports, Oracle XML, Oracle APEX • Oracle Data Warehousing, OLAP, ETL, Business Intelligence • Oracle RDBMS 9i/10g/11g administration, performance tuning, SQL and PL/SQL tuning • Oracle e-Business Suite 11i/R12 customizations: AP, AR, FA, PO, GL, OM • Oracle Customer Care & Billing • Oracle FlexCube Core and Direct Banking: CASA, IC, PC, FT, CL, EOC • UML, Enterprise Architect, Agile, JIRA, Mercury Quality Center, Mantis • SQL Developer, PL/SQL Developer, TOAD, SVN, CVS • Linux(Red Hat, OEL), Windows, Unix(Aix, Solaris)

    $50.00 /hr
    0 hours
    0.00
  9. Lotfi Fetteni

    Lotfi Fetteni

    JAVA/Android Developer, Software QA,Website QA

    Tunisia - Last active: 4 months ago - Tests: 4 - Portfolio: 10

    Dear Clients, I have a national diploma in computer engineer. I am Java developer with 3 years experience in JAVA, Android, WORDPRESS. Worked with such technologies as JSON, HTML, XML, Oracle Database, MySQL. Over the last 3 years, I have developed a wide range of apps using Java, Android SDK,WORDPRESS, SOAP , XML and JSON. My core competency lies in complete end-end management of a new Android apps development project, and I am seeking opportunities to build apps from the ground up for you or your business. I also have some experience in the following areas: C, OOP, and software design and testing. This variety allowed me to understand the real needs of my clients and to translate it to reality. I'm responsible, creative and hardworking developer and I'm always interested in finding new projects, where I can realize my knowledges. I am looking for challenging projects where I can put into service my skills and contribute to their success. Thank you for reading my profile. Lotfi

    $6.00 /hr
    2 hours
    2.95
  10. Mikhail Maslyukov

    Mikhail Maslyukov

    C/C++ Software Developer

    Ukraine - Last active: 2 months ago - Tests: 3

    I have 5+ years of experience in development of low-level firmware and system applications with C/C++, OOP/OOD, multi-threading system programming on Linux and Android with unit testing. At present, I hold a position of a Senior Developer at Luxoft. Working at this company I obtained excellent experience in C++ languages. Recent project I was involved in helped me to improve my skills in system programming, get better understanding STL, Boost and Linux kernel. I am self-organized and result-oriented person, have good communication and analytical skills. Have ability to solve complex problems quickly.

    $18.00 /hr
    0 hours
    0.00