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Post your Java projects on Upwork and hire expert software engineers and senior Java developers. They can create mobile applications for Android and iOS, redevelop Android widgets, modify and add new Java scripts to your custom Java software, or develop GUI applications with the Swing GUI widget toolkit. The java developers on Upwork are experienced in Java persistence frameworks (like Hibernate), web development, security or database frameworks and Java project lifecycle management tools (like Maven). They can also check, fix or add new Java classes into your Java code, or manage your software debugging, quality control software development or testing tool programming.

Java is a class-based, object-oriented computer programming language that is ideal for cross-platform application development. It comes with a library of commonly used classes and utility functions, called the Java API. On Upwork, the world’s largest online workplace, companies hire experienced Java architects and software engineers to develop all kinds of cross-platform applications, from torrent clients and media players, to helpdesk tools and mobile apps.

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Java Job Cost Overview

Typical total cost of Upwork Java projects based on completed and fixed-price jobs.

Upwork Java Jobs Completed Quarterly

On average, 447 Java projects are completed every quarter on Upwork.

447

Time to Complete Upwork Java Jobs

Time needed to complete a Java project on Upwork.

Average Java Freelancer Feedback Score

Java Upwork freelancers typically receive a client rating of 4.73.

4.73
Last updated: September 1, 2015
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  1. OLEH VOLKOV

    OLEH VOLKOV Agency Contractor

    Expert in C# technical drawing, 3d-modeling, database

    Ukraine - Tests: 9 - Portfolio: 6

    I am writing programs last 22 years. I have been programming languages ​​C, C++, Java, C#, SQL, javascript, html, pascal, php, assembler, basic. I worked with Linux, Novell Netware, Windows, OS/2(ATM). I have been working for 10 years in different banks. I have deep knowledge in programming for financial institutions. Of course I create software and services for bank data base. I create 3d details in Solidworks and CAD system. I write desktop applications, web and mobile applications. I am writing code easier to understand, I do a lot of comments, I try to maximize test and exclude all of the error. I am also record in the log file to identify any errors in the application. This approach pays off when the need to make changes to it in the future. When I work, I am constantly in touch with the customer to ensure better cooperation between us. So, if we work together, you can expect that I will be constantly available, because if I were in your position, I would like the same thing. Experienced in: + Small and Very Large Databases + Desktop application + Client-server applications + Mobile application + 2D Game application + Small Web application development + Structured and OOP development best practice. + Work within a technically complex and fast-paced environment. + Solution researching and prototype development. + 3D modeling parts of mechanisms Specialties: + Application Platforms: Desktop, Mobile and Web + Concepts: OOP, Design Pattern, 3D modeling + Languages: C#, Java, PHP, AJAX, SQL, C/C++, Pascal, Markups (XML, html, CSS) + Database Systems: PostgreSql, Sybase ASE, MySQL, Microsoft SQL Server, Oracle, Firebird, MS Access + Application Server: Apache, IIS + Operating Systems: Linux, Windows, Android + Tools: Visual Studio, Eclipse, C++Builder, Delphi, Solidworks, Archicad Why should you hire me? - 100% money back guarantee if not satisfied for any reason - I am always available to communicate

    Associated with: Region IT

    $16.67 /hr
    152 hours
    5.00
  2. Ramya S.

    Java J2EE expert with SQL knowledge and testing skills

    India - Tests: 1

    Deliver my best and have a good working knowledge in all the phases of software development life cycle, from requirements analysis to maintenance and support. Possess excellent communication skills, innovative, good team player and sound in interpersonal relationships.

    $27.78 /hr
    677 hours
    5.00
  3. Deniz Hamzai

    Deniz Hamzai

    Software Developer

    Croatia - Tests: 1

    ▪ Microsoft Excel in advanced level - Experienced with creating advanced excel macros using excel VBA - Creating excel functions for certain purposes - Creating forms for the excel macros and integrating in content management way. (Personal Projects available) - (Experienced since 2008) ▪ Microsoft Visual Studio (.NET framework - C#, VB, .ASP) -Experienced with .NET framework using C# programming language. - Using MySQL and MS SQL Server databases. -Content Management projects available. - (Experienced since 2011) ▪ Java programming language -Experienced since 2007, profesionally since 2013. -Spring framework -Swing for GUI creation -Integration with Hibernate 2.4 mapping for Oracle database using XML tags -EJB beans -Both Client, common, server side experience -Object oriented programming -Deployment to JBoss Server -JSF, JSP, PrimeFaces -Net Beans, Eclipse -Use of Toad for Oracle for creating tables, views, sequences, procedures -Ant and Maven for project build -SVN for software versioning and revision control for team work ▪ Borland/Embarcadero Delphi -My programming skills started with Borland Delphi 5 where I used to create my first own projects -Experienced with Delphi since 2004. -Personal Projects available ▪ Web Development: HTML, CSS, ASP, PHP and Apache Server ▪ XML - eXtensible Markup Language ▪ Web Design ( Wordpress, Dreamweaver) ▪ Experience with SAP BW Reports, SD module ▪ Multimedia (Adobe Software – Photoshop, Premiere) ▪ Computer Networks (Cisco CCNA WLAN certificate) ▪ Database Management (MS SQL, MySQL, Oracle) ▪ Knowledge in: Computer Architecture, Operating Systems, etc.

    $6.67 /hr
    0 hours
    0.00
  4. Victor Macik

    Victor Macik

    Software Developer

    Germany - Tests: 1

    Over the last 12 years, I have developed a wide range of websites and backend solutions using Java, C++, PHP, and MySQL including sites for different scales of clients. My core competency lies in complete end-end development of backend solutions, along with turn-key products. Feel free to consult with me on any matter, as I'm working independently I promise to provide help even if you aren't interested in conducting business together - this is just the friendly way.

    $33.33 /hr
    33 hours
    0.00
  5. Hitesh Pahuja

    Hitesh Pahuja

    Senior Java Developer

    India - Tests: 3

    Let me introduce myself as Hitesh Pahuja, having 9 years of IT experience as Senior Java Developer/Analyst. I have a strong background in Object oriented architecture, analysis, design and software development using latest technologies like Java, J2EE , Scala, Akka technologies. • Expertise in Product Iterative Development Model, Agile software development technique using principles like Test Driven Development, Continuous Integration and Automation testing etc. • Expertise in working throughout the project full-lifecycle, had worked on every phase of SDLC e.g. Application Security, Deployment, Requirement Handling, High level designing, Data Analytics and Statistics, Enhancement etc. . Experience in Application security at various layers like Web layer [ Fiddle, Nessus etc.], Web-Services Layer [ SSL, Fuzzing] etc. Extensive experience in Agile delivery of software using practices from Scrum, eXtreme Programming etc. Well versed experience in Test Driven Development, Mocking techniques and CI tools like Bamboo, Cruise Control and Hudson etc. I had worked with various types of applications like • SOA based using web services technologies. • Messaging based using JMS over JBoss/IBM Web Sphere. • Web-based application using technologies like Spring MVC, HTML, JavaScript, Ajax, JQuery etc. • E-Commerce based application. • Customer Support based application which involves dealing with client calls and resolving their technical issues. I have expertise in various domains like Banking [Retail and Loan based], e-Learning, Publishing Education and Retail etc. I am very keen to learn new technologies and business knowledge. I accept challenges and can work independently, can lead a team and act as a mentor to my juniors on technical front. For employment prospective I am open to contract role and on negotiable rates. I can make assure my stability with company and available immediately. Sincerely, Hitesh Pahuja, Hitesh.pahuja@gmail.com http://www.linkedin.com/pub/hitesh-pahuja/8/55b/3a

    $27.78 /hr
    550 hours
    0.00
  6. Denis Shchigelsky

    Denis Shchigelsky

    Expert project/product manager (fintech, banking)

    Russia - Tests: 1

    Have a 3 years experience as a project/product manager in mobile banking development industry. Have a portfolio of nearly 15 integration projects of mobile banking and some other mobile applications for banks. We had a 10 person team to develop our product and some freelancers on the outsource to customize it for our clients. Also worked a year in a small Russian bank as a head of the Distant Banking Services Department. Currently working on internet-acquiring project as product/project manager. At the moment, besides my main job, work at Moscow Institute of Physics and Technology as CS workshop tutor to make a world better and for a good karma :) Finished Moscow Institute of Physics and Technology, Control and Applied Math Department (Master degree) Skills: * Project management (Java, Android, iOS, Design, Python, client-server applications, web-services), agile. * Product development * Internet-acquiring * Distant Banking services * Documentation Programming skills: Python / Django, Java SE, SQL; parallel programming; C (not very hadrcore, though).

    $17.00 /hr
    0 hours
    0.00
  7. Ioan Mihaila

    Ioan Mihaila

    Application Developer

    Romania - Tests: 2

    I aim at discovering a pleasant and challenging work ambient, stimulating improvement of capabilities and developing new abilities that can bring a value enrichment to the company, and my capabilities being used at their highest capacity. - My motto: Simple, Accurate, Professional -

    $16.67 /hr
    0 hours
    0.00
  8. Stephen S.

    Stephen S.

    Business Analyst and Project Manager

    United States - 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
  9. Cuong Le

    Cuong Le

    Senior Software Developer (C/C++/MFC,Java,...)

    Vietnam - Tests: 4 - Portfolio: 4

    Thanks for your reviewing. I am Cuong Le. I have over 6 years of software development experience in C/C++/MFC. Experienced in software development life cycle including requirement analysis, design and implementation. Programming Languages: C/C++, MFC, C#. Databases: PostgreSQL, SQL Server. Software process: CMMI, Agile (Scrum, Jira tool). Other: Visual Studio, Eclipse, UML, GIS, GPS, XML, XML-RPC, COM, Hook, GDI, DirectX (DirectDraw, DirectShow, Direct3D), Touch Screen device and printer device. Further information, please refer at https://vn.linkedin.com/in/ltcuong

    $8.89 /hr
    16 hours
    5.00