Top Upwork Freelancers

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  1. Maksim S.

    Maksim S.

    Software Developer & Architect

    Russia - Last active: 4 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
  2. Jorge Ramos

    Jorge Ramos

    Senior Professional Outsystems Developer

    Portugal - Last active: 1 month ago

    Im a very experienced Software Engeneer and i have over 6 years of experience working with the Outsystems Agile Plattform. I've participated in several Outsystems projects, some of them in a teamwork environement, others as a standalone Developer. My experience goes from building just parts of applications to develop and maintain complete Applicational Environments. I've Worked in projects with Health, Education, Banking and Goverment Environments. Also i've worked to clients from Portugal, Angola, United States and Australia.

    $33.33 /hr
    99 hours
    4.94
  3. Saul H.

    Saul H.

    Java/C++/.Net Software Engineer/developer/integrator/consultant

    Venezuela - Last active: 6 days ago - Tests: 3

    Knowledge Areas and skills Custom Software Development, POS, intranet system, administrative systems and integration with intelligent software solutions consolidate, organize and centralize amount of information located in different divisions and departments, so that executives make decisions about payments, suppliers , prices, materials management, promotions, etc. Algorithms and programming skills, strong knowledge of C/C++ and Java. Strong knowledge of data structures, strings, sorting, arithmetic and algebra, combinatorics, number theory, backtracking, graph traversal, Algorithms for graphs, dynamic programming and computational geometry. Accounting area, experience in handling all movement of materials between stores and shops, all the accounting related to its retail. Point of sale Area, experience with integration between POS software and label printers, fiscal printers, barcode readers, fingerprinter and keyboards for point of sale. Oriented Object Programming and Low-level: exprienced in Java and C/C++/C#. QT libraries and Visual Basic. Scientific Programming: Matlab. IDES: Intellij Idea, Eclipse, Netbeans, Kile, Quanta. Servers: Apache-Tomcat. Functional Programming and AI: Haskell and Prolog. Database: MySql Oracle, Postgres, SQL Server and FoxPro. Web Development/Frameworks: Php, Struts, Vaadin, ZK, html and css.

    $30.00 /hr
    1,756 hours
    5.00
  4. Yuri M.

    Yuri M.

    Java/C++/DB Developer

    Ukraine - Last active: 1 month ago - Tests: 11 - Portfolio: 6

    7+ years experience in various projects. In my development practice I've worked on both desktop and web-projects where I've used different libraries and frameworks. I have experience in such areas: * as Java developer: Swing, SwingX, EJB 3, Struts, Spring, GWT, Hibernate, JDBC, JSP, XStream, Jetty, JUnit * as DB developer I've worked with MySQL, Firebird, MS SQL Server, PostgreSQL, H2. * as C++ developer: boost library, ability to write cross-platform code, MFC, Qt * worked with applications for project designing: Rational Rose, Visual UML, StarUML, Microsoft Visio. Good understanding OOP and data-store concepts. Also I have some experience in following areas: Microsoft .NET, Ruby on Rails, PHP and Python.

    $30.00 /hr
    4,048 hours
    5.00
  5. Diogo S.

    Diogo S.

    Web Developer with Umbraco and .NET expertise

    Brazil - Last active: 8 days ago - Tests: 1 - Portfolio: 4

    7 years working with web systems analysis and development mainly in ASP.NET platform using Web Forms, MVC, AJAX, jQuery, Entity Framework, LINQ, SOAP and WCF webservices, Lucene and Umbraco CMS. Proficiency in relational database modeling, SQL Server database designing/programming and web server configuration. Instead of just developing or designing systems, I have been looking ahead to see how these systems can bring important changes and increase clients' business value. Nowadays I'm working freelance for selected partners and I am available to do part or full time home office jobs or be a consultant on-site in São Paulo and region. So, please feel free to contact me and I will help you to find the right solutions to your business needs.

    $25.00 /hr
    17 hours
    5.00
  6. Douglas Spence

    Douglas Spence

    Skilled UK Developer - T-SQL, C#, VB, Delphi, OOP

    United Kingdom - Last active: 13 days ago - Tests: 9

    I recently bought a sailing yacht and would like to be able to travel and earn a living at the same time. I am very motivated to achieve this through online freelancing.I have extremely strong technical skills and always enjoy being challenged to expand my knowledge and develop those skills further. I started programming 16 years ago when I was 14 and knew immediately it would be my future career.

    $27.78 /hr
    4,739 hours
    5.00
  7. Mikayel S.

    Mikayel S.

    Senior C++/STL Developer

    Armenia - Last active: 1 month ago - Tests: 2 - Portfolio: 1

    Programming Languages - C/C++ (STL), C# .NET, Python, SQL, Assembly Language of Intel x86, Lisp, Smalltalk, Bash Script, HTML, CSS. Environments - Linux , Vim, Microsoft Visual Studio Excellent knowledge of Object Oriented Programming, Generic Programming, Data Structures, Operating Systems, Parallel Programming, Embedded Programming, Functional Programming, Compilers, Robotics, Computer Networking.

    $20.00 /hr
    68 hours
    5.00
  8. Terence Taih

    Terence Taih

    Senior Java Developer

    Vietnam - Last active: 13 days ago - Tests: 2 - Portfolio: 1

    I'm a Senior developer with more than 5 experience years on enterprise-grade development. My strongest skill is Java. I have worked with many Java framework from web to database. - Web: Play framework, Tapestry framework, Struts, Spring MVC. - Database: Hibernate (MySQL), Hector (Cassandra), Morphia (Mongo), Redis - Cache: Hazelcast, MemCache. - Search: Elastic search, Apache Lucene - API: Resteasy, Jersey - Beside them, I usually work with: Linux, Jetty, Tomcat, JBoss, Nginx, Amazon EC2, Amazon S3, Amazon CDN, OAuth, Restful API, Web service, Json processing (org.json, jackson) - And have worked with (administration and query ) both database SQL (MSSQL, MySQL, ...) and NoSQL (Cassandra, Mongo, Redis …). About another language, I can code with Nodejs well. I already build project with Nodejs, express and MongoDB. I'm looking for long-time contract, in challenge/interesting project, get exciting experiences to archive my dream: To become an excellent software architect. I will try my best to perform projects, meet all requirements and believe on making customers satisfied.

    $15.00 /hr
    186 hours
    4.69
  9. Arturo Mejia

    Arturo Mejia

    Expert Android Developer

    Dominican Republic - Last active: 1 day ago - Tests: 10 - Portfolio: 8

    I am a proactive person with solid experience in software mobile development, dedicated to providing strong and quality technology solutions. ★Native Android Development. ★Native iOS Development. Lover of technology, challenges and the knowledge. I'll be glad to help you :) For more info please check my portfolio and my Linked in Profile-> https://www.linkedin.com/in/arturomejiamarmol Experiences: Process of publishing/updating apps on play store Process of publishing/approval/updating apps on ITunes store

    $10.00 /hr
    54 hours
    5.00
  10. Farah Saif

    Farah Saif

    Expert Java, JSP, J2EE, PHP VB.NET, JQuery, MySql, C++, Ajax Developer

    Pakistan - Last active: 10 days ago - Tests: 6 - Portfolio: 3

    I am a well reputed individual freelancer on all major freelancing platforms with 6 years of online presence and more than 3400+ 5-Star reviews on various freelance web sites. I have extensive development experience in various computing fields including PHP, Java, C#, Vb.net, JSP, ASP.net, Ajax, Jquery, MySQL, Oracle, Mssql, Html5, CSS3, Android, CodeIgniter, JavaScript, J2EE and many more. I am equally competent for all sort of desktop, web and mobile application development.

    $22.22 /hr
    42 hours
    4.93