Java Jobs and Contests

Freelancer.com is offering you thousands of professional Java developers who will help you with all your Java tasks in a timeless manner and with excellent proficiency. Java is a scripting language used to enable programmatic access to objects within software applications. Java developers will make your website more interactive, allowing your users to input information, move elements around on the page, and make your website more functional.
If you are a Java developer, can finish tasks with high level standards and in a timely manner, then this is the right place for you! Freelancer.com supplies Java freelancers with thousands of projects, having clients from all over the world looking to have their job done professionally and settling for nothing but the best. Jobs vary from building dynamic web & desktop applications to fixing errors and malfunctions with Scripts. Those clients are looking for someone like you to get the job done. If you believe you can do that, then start bidding on JavaScript projects and get paid with an average of $200 per project!
Sign up and start earning
Sign up to start earning. Are you a Java Developer? You could be earning money working on these jobs!

Browse Jobs on Freelancer

Project/Contest Description Bids/Entries Skills Started Ends Price (GBP)
Java Portfolio project The project needs 2-3 questions to be answered based on the project that I have already done. Its a Java project done in blueJ The document needs to be well structured with references. All the details have been mentioned in the attachment Budget: $40 9 Java, Technical Writing, Research Writing May 26, 2017 Today6d 23h £16
Alterations to Existing Hybrid Taxi Booking App We have an existing Taxi Booking App (phonegap) and require some bug fixes as well as a few small changes and additions to its features 7 Java May 26, 2017 Today6d 23h £46
android db handling i want to extract some dictionary file. i'm learning vietnamese language and i found good dictionary app and it totally free but i want to learn from pc so if possible i want to extract Word, Meaning pair to plain text. [url removed, login to view] 9 Java, Android, C# Programming May 26, 2017 Today6d 23h £63
Mobile app to hide incoming caller numbers I need one application to hide the incoming call numbers from the screen to make the android phone behave same as the iphone. Key features: - To enable App, click on Activate service. - To disable App, click on De-Activate service. - Require password to open the application - The app should works without need to Root your device - If the contact number is not exist, it should show the n... 15 Java, Android May 26, 2017 Today6d 22h £128
Project for johibkhan Hi johibkhan, I noticed your profile and would like to offer you my project. We can discuss any details over chat. 4 Java, Javascript, J2EE, , Angular.js, React.js May 26, 2017 Today9d 22h £16
Write some Software small project 41 Java, JSP, J2EE, Software Architecture May 26, 2017 Today6d 22h £11
Java, C, Web project I have attached a file which needs to be used a C library. The following needs to be done 1) I have already configured this library on my laptop. Project is configured on Netbeans 8.1. I am able to run the MakeFile successfully. However, i am not able to run the debugger i.e. Netbeans does not respect breakpoints. Hence, need to resolve this issue 2) There is a file example.c in the library. T... 9 C Programming, Java, Javascript, Web Hosting May 26, 2017 Today6d 22h £25
Convert an ionic app to native ios and android app [Please read before you bid. Please bid your real amount (not any placeholder) and with the indicated budget boundaries. You can ask questions before if you have any confusions. Unnecessarily large amount bids will be discarded. Won’t entertain such bids. No time wasters.] I like one classified script and have bought it to launch a classified website. It has a web app and mobile apps(bot... 69 Java, Mobile Phone, iPhone, Android, Ionic Framework May 26, 2017 Today6d 22h £705
Microsoft excel I am looking for a freelancer to help me with my project. The skills required are Excel. I am happy to pay a fixed priced and my budget is ₹500. I am working on making system for my company on excel to track status of work. Every project has separate excel sheet with all parts listed and status populated as "Ready for Full Kit"(Complete) or " Not Ready for Full Kit"(Incomplet... 4 Java, Javascript, Excel, CSS, HTML May 26, 2017 Today6d 22h £24
Build a Website I need a new website. I need you to design and build a website for my small business. 67 Java, Cloud Computing, Amazon Web Services May 26, 2017 Today6d 21h £1340
I would like to hire a Java Developer I need you to develop some software for me. I would like this software to be developed for Windows using Java. 18 Java, Software Development May 26, 2017 Today6d 21h £118
I would like to hire a Java Developer I need you to develop some software for me. I would like this software to be developed for Windows using Java. 15 Java May 26, 2017 Today6d 21h £108
Write some software 윈도우 자바 Automatic generation of Google ID. You should be able to create many Google IDs on a single computer. Platform, language Anything can be used (구글 아이디 자동 생성. 1개의 컴퓨터에서 많은 구글 아이디 생성이 가능해야 합니다. 플랫폼, 언어 아무거나 사용해도 됩니다.) 12 Java, Windows Desktop, Software Architecture May 26, 2017 Today6d 21h £460
Use Zerodha apis to create simple APIs Hi, Looking for a jar file that exposes Zerodha apis for buying & selling in a simple format 2 PHP, Java, J2EE, Software Architecture May 26, 2017 Today6d 21h £24
Write some software I need you to develop some software for me. I would like this software to be developed for Windows using Java. I want a Java api to collect data from market place websites with fewer that 1000 items but as many as several hundred of each item there will be about a dozen sites. I want the time and price each item is listed for and when it sells put into an excel spreadsheet. There will be a foll... 24 Java, Windows Desktop, Software Architecture May 26, 2017 Today6d 20h £452
A meeting system app(no a video conferencing system) Hello Paperless conference system, please send me some relevant cases, Include not limited to the following functions, there is no case, do not send it over. 1. notice of meeting 2. meeting information 3. video conference 4. address book: 5. conference accommodation: hotels, addresses, etc. It is not a video conferencing system. Meeting, notification and other conference management rela... 48 Java, Mobile Phone, Android, Objective C May 25, 2017 Today6d 19h £1231
Write some software I need you to develop some software for me. I would like this software to be developed for Windows using Java. 15 Java, Windows Desktop, Software Architecture May 25, 2017 Today6d 19h £413
Convert an Angular Saas Gulp (LESS) Template into a Backbone (LESS) Theme I have a very well documented [url removed, login to view] Saas Gulp admin template that I would like to move LESS class by class to a [url removed, login to view] application (CRM) theme. [url removed, login to view] 5 PHP, Java, Javascript, backbone.js, Angular.js May 25, 2017 Today6d 18h -
Data saving and load on ios / Android - Need data saving and loading on devices (android / ios) - Making an application with functions below: Taking out devices' information (Device id / phone number) - Creating & putting in it's own authentication number in the mobile device. 10 PHP, Java, Javascript May 25, 2017 Today6d 18h £43
Java Memory and Performance Issue Hi, I need help on fixing the Memory issues, small app is using high memory after some time started using the app. Reply only if you can fix the issue. Thanks 23 Java, JavaFX, MySQL May 25, 2017 Today6d 18h £157
Rest Service/ Hibernate/ Mysql I want you to write a rest service which queries the mysql db using hql query [Hibernate as orm] and return a json. I have the Input parameters and sample json result. Only two tables involved in this and i do have the sample data for it. I can send it once we start working. 17 Java, MySQL, RESTful May 25, 2017 Today6d 18h £28
Java Application Memory and Performance tuning Hi, I need help on fixing my application High memory usage issue and Performance Improvement. Reply only if you can do it. Thanks 8 Java, JavaFX May 25, 2017 Today6d 18h £72
Integrate VoIP Cloud Service with USB Call Center Software Light (Embrava) There is a product called Embrava ([url removed, login to view]) that is a Call Status Light connect to PC/MAC via USB. We want you to utilize the SDK kit from Embrava to connnect to our API for call status. This will make the light on a desk Blink RED for incoming call, Solid RED for active call and SOLID GREEN while on hook (not on a call). Attached is SDK from Embrava. We will need a loada... 11 PHP, C Programming, Java, Software Architecture May 25, 2017 Today6d 17h £185
Need script written to import data into MySQL data base. I need a script written to import data which is on CSV format to import into a mySQl database. The data to be entered contains coordinates (x & y). In the table there is a the following columns: Id Coordinates Height Reference_rssi Floormap_id Location_a Structure is: Id = int(11) Coordinates = point Height = double Reference_rssi = double Floormap_id = int(11) Location_... 39 PHP, Java, MySQL May 25, 2017 Today6d 17h £21
Program on Esp8266 Program on Esp8266 to control devices, working locally and connecting with domain name. 12 PHP, Java, Arduino May 25, 2017 Today6d 17h £192
I would like to hire an Android Developer I need an Android app. I already have a design for it, I just need it to be built. 41 Java, Mobile Phone, Android May 25, 2017 Today6d 17h £148
language identification tools -- 2 I need you to develop a language classifier for me. I would like this model to be developed using Java(deep4j) or python 13 Java, Python, Software Architecture May 25, 2017 Today6d 15h £210
language identification tools I need you to develop a language classifier for me. I would like this model to be developed using Java(deep4j) or python 12 Java, Python, Software Architecture May 25, 2017 Today6d 15h £197
shutterstock downloader I need software for shutterstock image,video,vector and mp4 [url removed, login to view] demo dont award first need limited time demo for test!price 1300-1500 usd !thanks soo much! dont need fool and cheater! 21 C Programming, Java, .NET, C# Programming May 25, 2017 Today6d 14h £1038
Writing a simple chat program using java I need help in developing Simple client server chat application 1. Multiple client 2. No GUI is needed for the server (Server Notification System (notifying clients of activities)) 3. A simple GUI for client 4. Clients must be able to “whisper” to each other (whisper means create a private chat) 5. Clients must be able to choose a nickname (duplicates must be resolved by server ... 27 Java May 25, 2017 Today6d 14h £114
Analyze some Data Hi, We are looking for somebody who have any experiences with extraction of DATA from catalogue POLCAR or can provide a file in .xls . Please, if you dont know this program, do not bid. 13 Java, Data Processing, Data Entry, Excel, Database Programming May 25, 2017 Today6d 14h £110
two factor authentication by android app for local VPN local 2 factor authentication for Windows VPN by Android phone -DLL written in C++ to extend Windows server NPS (Network policy server) functionality -Android application that receives a Firebase Cloud Messaging request and sends an HTTP POST back to the servlet once a button is clicked. -Java servlet that receives the DLL request, sends a POST request to Android for the notification), receiv... 9 Java, Android, C++ Programming, Windows Server May 25, 2017 Today6d 12h £168
One on one Training in dev. Software. I do not need work par se but require Informal one on one sessions with myself ( after work or weekends AUS time) to assist me in grasping software development fundamentals for the development lifecycle . My job involves Jira agile scrum board management but coming from finance background I need help understanding basic software dev fundamentals powering the workflow. 11 Java, Windows Desktop, Software Architecture May 25, 2017 Today6d 12h £81
Java Software Design - 25/05/2017 14:05 EDT Implement MVC 15 Java, XML, Website Design, Graphic Design, HTML May 25, 2017 Today6d 11h £92
Develop a demonstration for new technology upstart Technology upstart with a Patent and good hardware looking for a programmer to complete our technology demonstration ASAP. Must be familiar with PsoC4 BLE and Android development. We need an accelerometer on board our device to trigger an android app Via bluetooth which sends the users location to another app user. Lots more work possible. Need someone who can work fast and stay creative. Thanks! 54 C Programming, Java, Android, Geolocation, Bluetooth Low Energy (BLE) May 25, 2017 Today6d 11h £2210
future forecast java or c investments all description in attached file 2 C Programming, Java, Software Architecture, Investment Research May 25, 2017 Today6d 10h -
Java Software Design - 25/05/2017 14:05 EDT Implement MVC 31 Java, Software Architecture May 25, 2017 Today6d 10h £70
Create Java api (Spring/Hibernate) Need developer or Sr. Java web dev for this project 28 Java, J2EE May 25, 2017 Today6d 9h £86
Write some Software Hi, i need help to setup ssl for tomcat server. 11 Java, Software Architecture, Web Services May 25, 2017 Today6d 8h £22
Continue development of website built on Ubuntu, Java/JavaScript, Bootstrap, HTML, CSS, The full project description can be found here: [url removed, login to view] Unfortunately, the Freelancer who was building the work could not continue as he took on other projects, so I'm left with an un-finished project. You can see the system running here: [url removed, login to view] Requirements: You will continue development of the existing code to add the following missing fe... 33 Java, Javascript, HTML5, Bootstrap, Ubuntu May 25, 2017 Today6d 8h £131
Java/Java FX programming I am Student & java programming Language beginner. I intent to build java and javaFX applications for that i need support and training. below i can offer. 1 hour doubt clear and training session - Rs 400 (approx 6 dollar) Half Day /3hr hour doubt clear and training session - Rs 1000 (16 Dollar) Full Day /6 hour doubt clear and training session - 1600(25 dollar) We can set agenda/topic... 18 Java, JavaFX May 25, 2017 Today6d 7h £5
Hire an Android Developer I need an Android app. I already have a design for it, I just need it to be built with Google Cloud and Machine Learning 75 Java, Android, Software Architecture, Machine Learning, Swift May 25, 2017 Today6d 7h £5675
Java programmer with report writing experience -- 2 Looking for a java programmer who can write report as well., Need some one who can start immediately. 26 Java, Report Writing May 25, 2017 Today6d 7h £19
I would like to hire a Programmer I need you to develop some software for me. I need you to develop a marketplace style web application with a backend that will host files. There needs to be an account structure, billing/payment structure and allow for people registered as "designers" on the platform who are offering skills to communicate or send messages to the people registered as "buyers". 53 Java, CSS, NoSQL Couch & Mongo, HTML, node.js May 25, 2017 Today6d 7h £5954
Hire a Python Developer i want to devlop python backend website in which user has to record voice and that voice has to be sent to voice api 5 PHP, Java, Python, Software Development May 25, 2017 Today6d 7h £17
Making a Withdraw proof page! Hi Freelancer I running a website and i need a Withdraw proof page! I use coinpayments as bitcoin wallet! Who can create a proof of income page for me! That members on my website can see that i really pay people out. 12 PHP, Java, Javascript, MySQL, HTML5 May 25, 2017 Today6d 6h £182
Build a new function for our application We would need following functions to be added to our application (application source code and pictures with schematic representation of new functions that we need are provided). 1. Custom checklist (layout provided). Picture 1 and 2. 2. State of a checkbox (checked/unchecked) should be stored during the day and all items should be uncheck once per day (midnight). 3. Completed items from a cust... 37 Java, XML, Mobile Phone, Android May 25, 2017 Today6d 6h £256
Developing New XML Indexing & Transform for Legacy Architecture Project for established large Health Content company. Company sells content to medical institutions for patient education etc. Content is held in legacy system and includes a complex upload, transform and build process to populate products in multiple forms (Flat files on FTP, web front end etc.). Current technologies used are: Maven Java 1.6+ Pentaho (Suite of open source Business Inte... 31 Java, XML, SQL, XSLT, Database Administration May 25, 2017 Today6d 5h £40
I would like to hire an Android Developer Android Ecommerce App unlimited product listing unlimited categories unlimited filters advance search - by name, sku, category etc. chat payment gateway product: multiple images, Tax by State - delhi 5%, mumbai 8% etc. MRP, unit price, minimum quantity share - whatsaap, email, others users on our app. chat with seller Admin: Push notification to users for discounts & new arrival add... 23 Java, Mobile Phone, Android, Software Development May 25, 2017 Today6d 5h £334
Add Events Registration Feature with Paypal integration for my Sports Rules App Hi suju8811, as per our conversation. I will need "Events" feature added to both Android and Iphone versions of the Sports Rules App 19 Java, Linux, Mobile Phone, Android, MySQL May 25, 2017 Today6d 5h £189
Showing 1 to 50 of 464 entries
« 1 2 3 4 5 »