Top Upwork Freelancers

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  1. Facundo Olivera

    Facundo Olivera

    Full Stack Software developer

    Argentina - Tests: 2

    Hi, my name is Facundo, I have 4 years of experience working with different technologies applied to the development of web applications. I have participated in a number of projects built from the ground up both as a team member and as a technical leader in one of the biggest dot-com travel company in south america. I am particularly interested and have worked in applications involving the following technologies: - Scala (Akka, Play Framework, Spray.io, SBT) - Javascript(AngularJS, jQuery) - Node.js(Socket.io, Express) - Ruby (Ruby on Rails, Rack) - MySQL - Redis - MongoDB A little about me: - I spend much of my free time to researching new ideas and technologies, I'm very passionate about programming and computer science since a young age. - I like cleand code, simple and elegant solutions. Thank you for your time! Kind regards!! Facundo

    $20.00 /hr
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  2. Uladzimir Rekshta

    Uladzimir Rekshta

    Senior Linux System Administrator (RHCE)

    Belarus - Tests: 4

    I am an experienced UNIX/Linux/BSD system administrator. In my over 10 years of experience, I have worked with various operating systems and I have encountered many different situations (high loads, web attacks, spam, resource balancing etc.). My area of expertise covers all Linux distributions and all common unix software like LAMP (Nginx, Apache, MySQL, PHP), mail services, TCP/IP, DNS, firewall, bash and perl scripting, backup, high load configurations, cloud hosting (Amazon Web Services).

    $10.00 /hr
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  3. Alexandru Moraru

    Alexandru Moraru

    Senior Oracle Developer/Project Manager

    Moldova - Tests: 1

    Application Developer, Database Administrator, and Project Manager in a wide variety of business applications. Particularly interested in web applications development and relational database design using Oracle DB Server and Flex and Java technologies. Big experience in database migration projects. Experience in BI and ETL solutions. Specialties PL/SQL (Oracle OCP PL/SQL Developer certified), Oracle Forms and Reports, HTML, DHTML, JavaScript, CSS, APEX, Flex, Java, SAP BusinessObjects Edge BI, TalendOpen Studio.

    Groups: Oracle Certified Professionals

    $16.67 /hr
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  4. Dhakchina Moorthy

    Dhakchina Moorthy

    Technical Architect with Microsoft Technologies

    India - Tests: 9 - Portfolio: 4

    Over the last 23 years, I've developed many applications both Windows based as well as Web based applications. I've implemented many domestic applications in India like Payroll, Billing, Inventory, Logistics, Restaurant, Education, Silver Chain Manufacturers, Hotel Management, Pharmaceuticals, Printing Press etc. I've also implemented corporate enterprise Mobile billing applications for the Telecom companies in association with Nokia Siemens India Private Limited, Ericsson India Private Limited, and Motorola India Private Limited. I've also successfully implemented online Transducer measurements control system to control the pressures, temperatures at various places in Rocket for the ISRO (Indian Space Research Organization). I've completed more than 320 successful projects. I am expert in following technologies: VB.NET, C#, ASP.NET, Sharepoint, Sharepoint Apps Development, ASP.NET MVC, VB 6.0, Conventional ASP, JQuery, Javascript, Ajax, WCF, Web Services. Sql Server, My Sql, Oracle, MS Access, Sybase. I also have knowledge in Java, PHP and WordPress. My intention is to deliver timely high quality works. Hoping to work in your project and exceed your satisfaction level.

    $12.00 /hr
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  5. Alexander C.

    Alexander C.

    Expert Mobile Apps & Games Developer

    Russia - Tests: 3 - Portfolio: 7

    Create mobile applications and games, is what I always wanted to do. This is a creative and exciting process that is very relevant in our lifetimes. Choosing my services you will receive excellent software, quality service and two months warranty to the work of the software. I specialize in the development of cross-platform games in Unity 3D (C #), native mobile apps development for iOS (Xcode) and Android (Java). There are more than 30 completed projects for both Android and iOS in my portfolio. I have over 3 years' experience of mobile apps and games development and more than 5 years' of server development (PHP, Drupal).

    $22.99 /hr
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  6. Danilo Lemos Martins

    Danilo Lemos Martins

    Computer engineer with experience, serious, effective, efficient

    Brazil - Tests: 1

    Computer Engineering with extensive experience and knowledge in: Tools / Languages​​:. Sharepoint, Asp.Net HTML CSS JavaScript (node.js + ajax) jQuery NET - VB - C # - Reflection - Generic - LambdaExpression (LINQToSQL ) - Socket - WebSocket - SignalR - LinqToEntity - LinqToSQL MVC architecture (1 - 4) Database: SQL Server (T-SQL) Oracle (PL / SQL) Firebird MySQL MongoDB Conhcecimento: - Android - metaprogramming - Business Intelligence (BI ) - Business Activity Monitoring (BAM) - Integration Services (ETL) - Data Warehouse (Data Mart) - Data Mining - Data Analysis - ETL - BPM - PMP - NoSQL - Map / Reduce - Documentation (UML + Standard Itau Bank) - Performance production - Porto Seguro (Késsem / FTI) Projects - Node.js Framework (Owner) - ETLSoce (Proprietary Extraction Tool)

    $17.00 /hr
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  7. Bryan Gelfius

    Bryan Gelfius

    Developer

    United States - Tests: 2

    As a developer for more than 20 years, I've developed for a wide range of systems. These systems include large mainframe systems utilizing COBOL, CICS, DB2 and IMS, Mid-range systems, and client/server architecture including Java, PHP, C, C++, VB, C#, .NET, SQL Server, MySql and Perl. I'm experience with many different operating systems such as Windows, Linux, and OS/390. I am seeking opportunities to solve business problems for your company.

    $33.33 /hr
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  8. Eric Blue

    Eric Blue

    Technologist

    United States - Tests: 2

    An entrepreneurial technologist with strong leadership and communication skills leveraging a diverse software/systems/network engineering background. • Goal-oriented technology professional with 18+ years in the Internet industry. • Diverse technical background with a strong emphasis on enterprise architecture, web application development, system administration, and network engineering. • Developer of innovative products and solutions for both small and large organizations. Successful deployments for companies with 5+ million customers. • Proven track record of engineering team leadership: Director-level management, technical lead and mentor, and project manager. Extensive experience with all phases of the SDLC (Software Development Life Cycle) • Dynamic management style with the ability to switch context between strategic and tactical when needed - comfortable setting vision and leading, as well as providing low-level hands on help when necessary • Passion for organization, efficiency, and process improvements. • Experience with complex, multi-organizational technical integrations. Specialties: Systems architecture/integration/design, knowledgable on Agile/SCRUM/Kanban, OOAD, Java, J2EE, Eclipse, C, Perl, JavaScript, Database (Oracle, MySQL), MongoDB, SQL, PL/SQL, Apache, Tomcat, JSP, SOAP (gSOAP, AXIS, SOAP::Lite), AJAX, JSON, JQuery, LDAP(OpenLDAP, Netscape, iPlanet), ORM, iBatis, Spring, Groovy/Grails, UML, ERD, XML, XSLT, Extensive ISP and LAN/WAN background (Cisco, Frame Relay, BGP, OSPF, RIPv1/v2, IEGRP, ATM), System Administration, Linux, Solaris, RADIUS, Wireless 802.11*/802.1x, PCI data security, Open Source Check out my open source contributions and projects via my GitHub Resume (http://resume.github.io/?ericblue)

    $111.11 /hr
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  9. Igor Dobrynin

    Igor Dobrynin

    admin/developer 1C:enterprise Erp / bitrix

    Russia - Tests: 5

    My main specialty - the development and support of ERP system 1c enterprise (1c-dn.com, the main site www.1c.ru) especially in the areas of trade, translated into english solutions 1c, integration with other information systems(databases, websites, applications for mobile applications, applications for PC). 1c - platform for the development of business solutions have my own life to 1c http://xn--1--clcq8ahdw.xn--p1ai/ (domain name on Russian recoded) on the subject of integration In addition, I also engaged 1c language development (object pascal, C ++, C#), administration of servers and workstations on the platforms Windows, Linux, web server Apaxhe and a lot more than. I am an administrator of framework Bitrix (most popular in Russia, where I live)

    $20.00 /hr
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