Java Jobs

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Fixed-Price - Expert ($$$) - Est. Budget: $3,000 - Posted
Hi. We need to launch a complete Mobile Dialer solution. which Comprises on. 1. Android Mobile application for calling (This will deliver the basic calling features needed for a voip service.and able to work with all SIP Standard softswitches, and support high quality Codecs Such as G.729,AMR, IAX2 Or ILBC which have high compression ratio and ability to offer Crystal clear Voice Quality). 2. Linux (Asterisk) base server (which will be integrate with the Android mobile app and ((3)) Vpn/tunnel server. This linux server will have all management of Voip Needs. It will communicate with third party softswitches(Voip Servers). 3. Tunneling Server. ( It can be a vpn server/ByteSaver server/ or some Tunneling Server that will be utilized for bypassing Voice ports blockage issue of Voip By the Isps. For better performance can use IAX2 protocol because issues such as network congestion, firewalls and low bandwidth no longer affect voip Traffic). add our skype: gplusitsolution
Skills: Java Android App Development Asterisk PHP
Fixed Price Budget - Expert ($$$) - $3,500 to $30,000 - Posted
I am posting this job on behalf of Versatile Efficiency Group who are in need of an High-frequency trading algorithm/API trading system devised for the financial markets. We would prefer to discuss more extensively on Skype or any other form of contact however any form will do. We are looking for highly talented and qualified Developers, programmers and analysts to bring this project to life! Money for this venture is not an issue as we are entirely focused on the product
Skills: Java API Development Financial analysis Foreign Exchange Trading
Fixed Price Budget - Expert ($$$) - $199 to $600 - Posted
I want a video , cell phone video. The phone will be a flagship from any of the best companies around. We will deliver the cell phone internationally. The job is hard, you will have to shoot the complete video , add images add music all by your self. plus there should be a fabulous intro and outro for it. See this , This is what you have to produce, check out the intro and outro can you make it. Payment is simple you get to keep the cellphone + 100$ or you give the phone back and get around a 500$-1000$ There will be more videos like this in the future.
  • Number of freelancers needed: 10
Skills: Java 2D Animation 3D Animation 3D Design
Hourly - Intermediate ($$) - Est. Time: Less than 1 week, Less than 10 hrs/week - Posted
The algorithm itself is open source. As I would like to implement this algorithm in real life trading, test on this system is needed. Test should be mainly focus on the weakness of the system. for example, biases, extreme situation, etc. Attached please find the open source algorithm. This is the open source algorithm website
Skills: Java Financial modeling Genetic Algorithms Investment Research
Hourly - Expert ($$$) - Est. Time: Less than 1 week, 10-30 hrs/week - Posted
One of my coders has developed a Java applet that sends commands over the USB port (utilizing library) to read data from an external device over USB. ... One of my coders has developed a Java applet that sends commands over the USB port (utilizing library) to read data from an external device over USB. I'm looking for an EXPERT Java/JWS developer to port our code over to Java Web Start (since the depreciation of applets in Chrome, etc) and also look to fix/optimize any areas in our current code.
Skills: Java
Fixed-Price - Intermediate ($$) - Est. Budget: $16 - Posted
We are looking for co-located Teams offering Full Stack Web Development services. Teams that can build complex server-side web applications using powerful relational databases to persistently store data. Teams that build applications and support any front-end (ux-ui). All projects will be selected according to the main languages of Your Team. What do we want to know about Your Company: * We want to take a look at Your Company's Web-Site; * We want to know the Primary Contact; * Send us Your Team's Portfolio; * In which areas have Your Company worked? * Who's taking part in Your Team? * What are Your Company's main technologies, skills and languages? * What is Your Best Hourly Rate? We are looking for Eastern Europe Suppliers ONLY!
  • Number of freelancers needed: 10
Skills: Java EE CSS HTML5 JavaScript
Hourly - Est. Time: 3 to 6 months - Posted
We are looking for an enthusiastic Android developer, familiar with Gradle, TDD/JUnit, JSON/XML, multi-threading/concurrency, and passionate about quality. You will take participation in already running open source and commercial projects. You will work remotely and on your own schedule, part-time. We pay well and in time, through Upwork. More about our working model: No need to apply here, just fill this form: Our quality expectations are very high, don't be surprised, but we are very disciplined and well-organized. If you appreciate that in project management and software engineering, you will like us.
Skills: Java
Fixed-Price - Intermediate ($$) - Est. Budget: $600 - Posted
We're looking for a Java developer to write an integration between our application and a carrier's API. ... . - Prior experience of MySQL databases and connecting to them using Java (we currently use Spring and Hibernate). - Ability to rapidly generate sample output files to allow approval by the third party. - A clear understanding of the importance of logging and resilience in systems that connect to third parties. ... . - A clear understanding of the importance of logging and resilience in systems that connect to third parties. Prior knowledge of developing Java applications to run on AWS Lambda will be a huge advantage.
Skills: Java Amazon Web Services Hibernate Spring Framework
Hourly - Intermediate ($$) - Est. Time: 3 to 6 months, 10-30 hrs/week - Posted
We are a mid-sized ecommerce store that specializes in selling adult toys. Our goal is to provide a fun, safe and exciting online shopping experience! We are perfectionists at heart, we provide top-notch customer service and we sell only the highest quality products. If you’re easy going, a hard worker and you have the skills we need, please join our team! ****Disclaimer: Our company works with adult toys, if this is a problem for you, please do NOT apply. **** Major Duties -Make changes to our store’s theme as requested -Make major design changes to homepage, collection pages, product pages, cart pages etc. -Change the look and the feel (UI/UX) of the store -Change the user experience and flow (store navigation, product filters, blog pages, add to cart buttons etc.) -Provide advice and expertise when needed, based on prior experience -Keep up to date with Shopify apps, and learn how to use them efficiently and quickly -Ensure cross browser compatibility Minor Duties -Keep code clean and remove redundant/outdated code -Provide frequent (daily) updates through Email/Slack -Comfortable using Dropbox/Google Drive for future updates/work -Frequently back up themes and keep/organize copies of the theme -General fixes and debugging etc. Knowledge and Skills Required -Must have prior Shopify development experience -Fluent in English both verbally and written -Must understand ecommerce best practices and designs -Mastery of responsive web design (Mobile, Tablet, Desktop) -Must have at least 3+ years of experience and expertise in: 1. Liquid Coding 2. CSS3 3. Javascript/Jquery 4. HTML5 5. PHP 6. AJAX 7. JSON -Good understanding of color theory and typography -Understand key concepts of branding -Responds quickly when needed -Complete tasks on time and can adhere to strict deadlines -Adobe Photoshop and Adobe Illustrator knowledge -Basic understanding of business operations -Good organizational skills -Creative – Great visual story teller -Detail oriented, quick learner and self-motivated Work hours are flexible, however should be available 7 days per week. In the beginning of your application, rate your abilities as a Front End Developer/Web Designer on a scale of 1-10, 1 being poor and 10 being the Greatest of All Time! We look forward to talking to you soon! ****Disclaimer: Our company works with adult toys, if this is a problem for you, please do NOT apply. ****
Skills: Java AJAX CSS CSS3