Top Upwork Freelancers

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  1. Federico de los Santos

    Federico de los Santos

    Microsoft System Center Consultant, MCSE Certified

    Uruguay - Last active: 7 days ago - Tests: 3 - Portfolio: 3

    Experienced consultant in Microsoft technologies including System Center, SharePoint, Exchange, Lync, and Active Directory. Primary projects focused in banking, financial, insurance and health industries. Worked on-site and remote to companies located in Argentina, Chile, Uruguay, Colombia, Dominican Republic, Puerto Rico and USA. Also I am an experienced developer which helps me to create integration tools between different technologies, and scripting to automate tasks. I have worked on companies evaluated as CMMI and I hold ITIL Certification. I am certified as MCSE since 1999 and hold certificate for more that 20 MOC exams. Also I have training experience to technical and end-user staff.

    $33.33 /hr
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  2. Dwayne Ewens

    Dwayne Ewens

    Independent Contractor

    United States - Last active: 1 month 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
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  3. Nenad Vico

    Nenad Vico

    Architect

    Serbia - Last active: 18 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
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  4. Kirill Fuchs

    Kirill Fuchs

    Passionate Full Stack Developer

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

    My passion for innovation and creative problem solving fuels me to build new solutions that provide a strategic advantage to my employer. I stay practical by making reusable components. Experienced in business analysis. Strong organizational, technical, and lead skills that facilitate the accurate scoping, planning, and budgeting of projects. The ability to calmly and logically handle heavy workloads. A detail oriented entrepreneurial and intrapreneurial mindset.

    $50.00 /hr
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  5. Aleksandr Izmailov

    Aleksandr Izmailov

    web developer (server-side)

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

    I specialize on developing web sites with php5 js css html and other related technologies. I prefer using nginx as web server. Also I well know python bash and ruby but prefer working with php. I know how to install setup and administer php nginx/apache mysql platform. I worked for more than 3 years as freelance developer and about 2 years (and currently working) as full-time server-side developer. Also I know how to work with different version control systems (git and mercurial).

    $11.11 /hr
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  6. Max Topal

    Max Topal

    VoIP/Network/Linux Engineer

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

    Over 8 years hands-on experience. I have deep knowledge on VoIP Hardware and softswitches from open-source one (Asterisk, Elastix, Askozia, Freepbx, CallBox, Trixbox, Welltime, Yeastar) to licensed (Switchvox, Panasonic, Mera, RTU) . I am providing Asterisk-based PBX installation\integration, support, troubleshooting and consultations. Fully manage the installation, configuration and troubleshooting of Linux servers * Install and configure Web Servers and MySQL, PostgreSQL * Install and configure customer scripts and programs * Monitor performance to identify and resolve issues using a suite of systems and tools. * Provide VoIP Security * Troubleshoot and resolve network, system, hardware and software problems. * Achieve quick fixes and / or long-term solutions as needed. I have more than 100 successful IP-PBX server deployments, so I am confident that you will be satisfied with my work completely.

    $20.00 /hr
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  7. Rahul W.

    Rahul W.

    Consultant

    India - Last active: 5 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
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  8. Oleksii Semilietov

    Oleksii Semilietov

    Software engineer

    Ukraine - Last active: 25 days ago - Tests: 1

    I'm experienced full-stack software engineer / architect with 10+ years experience. Over 7 last years I specialized in the development of automation systems for different business processes, multi-level-marketing billing systems, solutions based on Amazon AWS, gambling engines, integrating different payment systems, etc. Also I have ~3 years experience on position NOC (Network Operational Center) engineer in major ISP (Ukraine). Core stack of languages and technologies that I use most often for the work consists of Erlang, PHP, JavaScript, MySQL, Linux/FreeBSD, Nginx/Apache, *nix shell scripting, etc. Nowadays I'm interested in technologies stack such as: - Erlang; - Clustering, MapReduce and another architectures for distributing heavy tasks; - MQ-brokers (ZeroMQ, RabbitMQ); - Machine learning and data mining; - Realtime algo trading; - Solutions for BigData (e.g. Apache Hadoop; NoSQL solutions such as CouchDB/CouchBase, Riak, Redis, etc); - Embedded projects based on BeagleBone Black, Raspberry Pi, Arduino; - 3D-printing, prototyping, PCB-design. Feel free to contact me if you have interesting project. linkedin profile: https://linkedin.com/in/spylik

    $22.50 /hr
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  9. Yegor Chuperka

    Yegor Chuperka

    Web Developer

    Kazakhstan - Last active: 1 month ago - Tests: 2

    The last 3 years I have been developing professional websites with the use by PHP, JavaScript, SQL, HTML and HTML5. I want to participate in interesting projects. I want to help you grow your business. In my work I try to use only proven solutions, but in exceptional circumstances, if required, I am ready to use the most advanced features. I also have experience with OOP, SQL, PHP, JavaScript, Unix / Linux, Bash, Git.

    $5.00 /hr
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  10. Levan Gventsadze

    Levan Gventsadze

    Quick and Smart Linux specialist

    Georgia - Last active: 1 month ago - Tests: 6

    High quality professional with a masters degree in computer science. Worked on lots of governmental services, able to code in PHP, Perl, Bash, C, Assembly, dive into the system deeper, optimize its performance and speed. I've happened to write device drivers for Linux. Having huge experience with Linux world I can manage thousands of servers at the same time, implement a cloud, deploy a cluster, achieve high availability of services... I do not get windows related tasks, only Linux specific jobs please. I am pretty smart, very quick, honest and reliable contractor with good verbal and written English skills.

    $30.00 /hr
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