Last seen: Apr 23, 2014 4:08 AM EDT
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Bing Zeng

Senior Java & Android &WebDeveloper

Username: IMSeriousBidder

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Location: Nanjing, China

Member since: November 2010



(117 reviews)

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6 users have recommended this freelancer.

My skills:

My projects:

  • £240 GBP
    Profile image for Seller mohamedmead



    Great experts will hire him again

    Project Description:manage and update xml files - make login file based on registeration or facebook login or cookies. must be familiar with javabeans servlets
  • $420 USD
    Profile image for Seller benosin2002


    Mar 10, 2014

    He ran into some obstacle and I can understand that because he has never failed me before.

    Project Description:Project and final already emailed.
  • $950 USD
    Profile image for Seller bluenos


    Mar 4, 2014

    Great developer. Understanding the problem and gives accurate solution. I'll recommend him again.

    Project Description:Twitter application GUI using twitter4j api that manages .dwg files. Code given in java for data retrieval from twitter using hashtags, mentions etc but it needs some modifications. More descriprion in...
  • $1500 USD
    Profile image for Seller magnusemail


    Feb 10, 2014

    Positive experience - look forward to ongoing relationship. Recommended.

    Project Description:The requirement is for a web service that takes user credentials from a data base, changes them to a token based mechanism, sends them to a mobile based app via a SMS (SMPP) - the App digests the credentials...
  • $1420 USD
    Profile image for Seller bozmen


    Dec 22, 2013

    Bing has been honest and candid and I am satisfied with his level of contribution and performance during the development of this server-client software.

    Project Description:Data Integration Software development based on distributed application structure using the client-server model. Planned Product Capabilities • Allow users to create/manage remote data sources (an...
  • $280 USD
    Profile image for Seller verygood007


    Dec 16, 2013

    Very good software developer ! Will work again :)

    Project Description:I need to write a Java Web Service that is hosted on Tomcat and stores data to MySql database. WebService has a JSP page where I can post an XML file of specific format. When I push the submit button...
  • $50 USD
    Profile image for Seller verygood007


    Nov 26, 2013

    Great job! I luv this guy :)

    Project Description:Java program to process XML. It will take file 1 and put it in file 2.
  • $4950 USD
    Profile image for Seller canunal


    Nov 25, 2013

    professional and responsive developer and .. very committed to his work.!<br/>

    Project Description:Grails based web application for sentiment analysis
  • $50 USD
    Profile image for Seller SJohann14


    Nov 11, 2013

    Awesome Job!

    Project Description:Java, Mysql, Oracle project
  • $60 USD
    Profile image for Seller captchasolutions


    Nov 9, 2013

    Excellent coding with expert understanding. wish to work in near future for further jobs.<br/>Very fast and intelligent coder on java environment. Done exactly what i need and made the application perfectly. I highly recommending to hire 'Bing' for java environmental projects. A++++++

    Project Description:HI Need software automation with browser support. Need to work on website automation through java or relative programming concept. will describe in details in PM after bidding. happy bidding.
    Bing Zeng has not completed any projects.
  • $250 USD In Progress

    I want to implement Apache Nutch WebCrawler or Crawler 4J on my website to crawl various different sites.Please respond if you have actually implemented these open source projects and can show me examples.

  • £245 GBP In Progress

    I am looking for someone who can build me a Swing user interface that I can use to demonstrate the functionality of my simple project management application. My application (partially complete) allows individuals to plan software development projects. You could relate it to something like JIRA or RALLY but I must stress that it is much much simpler. The user interface I require should be able to construct some basic entity objects (I will provide these) from various screens. Some simple checks should be incorporated into the UI when constructing objects (e.g. project name is not empty). In terms of the screens, I have no mock designs so you can either create your own based on my requirements (something similar to JIRA would be ideal although it does not need to be as complex) or I can try to put together some mock designs. The two MOST IMPORTANT things I am looking for is someone who can do this quickly and someone who is reliable. This is an urgent task that I need completed on 20/04/14 so please do not bid if you don’t think you will have enough time or if you have too many other projects to deal with. I need to make sure this is DONE on the date specified. It is a simple task so it should not take long for someone who is familiar with Swing. Further information will be provided to the successful bidder but please do not hesitate to ask me questions if you are unsure of anything.

  • £1480 GBP In Progress

    We are looking for someone to help us get started on a new project. We need an example web application built for us that will have a logon page and then a main screen with a left hand navigation bar, top menu bar and main screen in the middle.We need to hook in all the different screens into the menu and navigation bar (about 20 screens will need to be setup) but we only need to have one screen to be functional and we can then complete the rest. The functional screen will have a simple data entry screen that can be added/updated and on entry will show the contains from the database. As navigation and menu options are selected the middle area will be refreshed with the new screen.We want to use Java, Spring, MVC, Hibernate, Maven, Eclipse. We need a clean implementation so that we can build the rest of the project.

  • $1480 USD In Progress

    [This is a Private Project. You must be logged in to view the Project Description]

  • $600 USD In Progress

    my current Taxi app Android and IOS can be ordered from users with Android and IOS passengers, as well as from dispatch in Admin section.The adminbooking dispatch is quite simple and needs to be updated in features and detailed informations,When customers call comes in, per Caller ID his details and last taxiorder must come up so the dispatcher dont need to fill in all the necessary fields over.Attached is the current version ...and a mockup how the new version has to look like

  • $140 USD In Progress

    HI,It is a software automation project for is private project for this expert coder.thank you

  • $750 USD In Progress

    I need someone to take my basic service agreement, and then add options to fill in the blanks, so that I can quickly create contracts/agreements to send to customers. I would like to access it from an internal web server where all the files will be saved, and searchable. When I enter a contact details once, it should always stay in the system, so that I can select their name from the drop down list, and it should automatically propagate the proper areas in the agreement, like, name,address,phone, etc... I will provide you with a sample agreement with tags like &quot;NAME&quot; &quot;CUSTOMER&quot; etc... You will need to create one input form where I can input all the data quickly. There is a section that will need to be calculated as well. i.e first month, last month, and duration contract. So if the customer does a 36 month contract with me, then the app should automatically input the END date if I selected the START date. All of the files must keep a certain code, that is generated from items within the input section, for example, Location A name, Location B name, customer name, date... That should be the file name. All of the files should be searchable from the portal. Any changes or modifications to a agreement, will add the -1 or -2 to the end of the file name so that its known that this is the 2, or 3rd version of the agreement. The portal should have a calendar bases scroll section where I can monitor start and end dates of my clients. I need to have a notification system that will alert me X months, X weeks before a customer&quot;s contract expires. I would also like to track future customer as well. Sometimes I need to wait months before I can bid on a contract again. That should be in my calendar with the details of that client, and in a different colour. I want to have notifications for all of this, sent weekly, monthly etc... There must be an option to export contact emails and or addresses so that I can print labels or what ever else is needed.For bonus options..... If you are a quickbooks expert, I would like you to integrate this with my quick books so that once make a contract, and in the portal there can be a option for &quot;contract signed&quot; it should automaticly send the details to quickbooks and generate the invoices, as well as build the customer into the quickbooks database.Sorry for the long ramble, but those with experiance in this, will know exactly what I need.

  • $25 USD/hr In Progress

    Grails based web application for sentiment analysis

  • €16 EUR/hr In Progress

    We need a JAVA expert that is skilled in JSP, J2EE and JDK 1.7.Our application is a multi platform client-server suite composed of these components:- Client-side GUI application for Mac OSX and Windows - Server-side agent using hibernate and PostgreSQL- Server-side webadmin using JSP, servlets, hibernate and PostgreSQL- Client-side agent running backup jobs- MacOSx installer for client, Windows installer for server, Windows installer for client, Linux installer for serverEach of the components has been partially developed and requires extra work.

  • $30 USD/hr In Progress

    Struts 1 project support

  • $8200 USD Yesterday

    We need to make a software module with REST API interface that will manage NOSQL database stored in DynamoDB. The database API will need to be compatible with existing SQL database API that we use and replace the data with NOSQL version. Also need to migrate the SQL data tables to NOSQL.

  • $550 USD 2 days ago

    We sell HID bulbs in the automotive section on eBay. We offer 12 different bulb sizes with 6 different power sources and 5 different colors each. The automotive section only allows us to have 300 vehicle compatibility per listing and only allows us to use variation listings in a different category than HID bulbs.In order to assist customers, we tell them to visit: figure out the bulb size they need for their application.We would like to be able to offer our customers this functionality within our eBay listings. We have the data at our disposal.We would like to create a dropdown box that filters options over to the next one and then displays the bulb size needed for the customer and provides a link to that particular listing.Like this [Select Year] / [SelectMake] / [SelectModel]Then, once all of the dropdowns are selected, the customer is presented with the bulb sizes for their Low beam, High beam, and Fog light. Each of which will have a link to the appropriate listing.We currently have a large list of vehicles with the appropriate bulb sizes in excel format. We need someone to take that list, create a database of it that can be accessed on eBay, and create an attractive dropdown menu that will help the customer look up the bulb size.

  • $526 USD 6 days ago

    I need a developer who can make a twitter script for me using 4 API keys to get twitter followers.

  • [Sealed] 6 days ago

    An existing web application needs &quot;sign up with Facebook&quot;, &quot;sign up with PayPal&quot; functionality.The web app is written in Java, Servlet 3.0, Struts 2, JSP, container managed form based authentication.Check out the app code, learn the architecture, add or modify JSP pages, Struts Actions.The new sign up page will have two more buttons: &quot;sign up with Facebook&quot;, &quot;sign up with PayPal&quot;.Upon successful sign up, user data retrieved from Facebook or PayPal and facebookId (or PayPal id) should be persisted with the user account. Use existing libraries for persistence and business logic.The login page is to have the new &quot;login with ...&quot; buttons, use a new Struts Action for login and use Servlet 3.0 login() functionality instead of the standard container form-based authentication.The work is to be supervised by a senior developer, available by phone and chat in the UTC-05:00 time zone. Language: English, Russian.Will promptly answer any questions related to the app architecture to speed up the learning process.We have more work in this project and are looking for a long term enagement upon successful completion of this task.When posting a response please mention in the first line 11th and 12th significant digits in the number Pi.

  • $6550 USD 6 days ago

    It is a very small size workflow solution with limited features. Will be coded using Ruby. Details described at the attachment

  • $25 USD/hr 6 days ago

    Sirs.,The project is implement and configure the main resources from New Relic framework for IT monitoring and New Relic Insight for business service management!We need include on our company the best practices and environment for monitoring our IT infrastructure on Amazon content: servers, links, applicattions, database and business components.We use:- Linux Ubuntu;- Marketcetera Platform (opensource software in Java / JRuby);- WSO2 Data Service;- Tomcat;- Flex;- Oracle (AWS RDS);- C language;If we have success on the first demand, it&quot;s totally possible we build a continuous technical relationship.

  • $3000 USD 8 days ago

    Hello,I am looking for a experienced developer, I need a clonation of a web app, prog. language open to discuss, I would preffer Java.Additionally We will require as well mobile apps.Please give me a budget,

  • $980 AUD 9 days ago

    I am working on a project but don&quot;t really have spare time to complete. This is a full stack development. Requires 3 core components1) Server side:There will be more than 1 servers, servers will communicate with each other by using RabbitMQ either shovel or federation(as servers are not located in the same datacenter) (please don&quot;t offer me anything if you&quot;ve never worked on any AMQP, I don&quot;t like sockets or similar ways of &quot;missing implementations for the real world&quot;). The idea of having more than one server is reliability. Servers will have a database and all servers need to synchronize databases when there is an insert/update. Don&quot;t worry about the details of the database I would only require 3-4 simple tables. I&quot;d prefer SQLite for that as it is only a file and does not require any installation.The other part of server side is Android-Server communication, Android client should be able to get all available server addresses so that any disconnection must be handled by the other server (you don&quot;t have to worry about this part, simply if ack is not received you can have a pop up saying it is disconnected and expect user to do the task again). The client will log in into this server, and server will have database wrappers to be able to write/read data from database(clients will not directly connect to the database). This client-server communication will also be done by RabbitMQ, however must be separated from the server-server communication. The last part is HTTP server. The same username password used for Android client will be used to log in. This will be used for a browser client to view and edit the database.This server must be written in Java and all external libraries must be working fine with Linux and Windows. I have cross-compatiable libraries for SQLite and HTTP Server. I can send it if necessary.2) Android clientThe client will have 2 roles(determined by the account), therefore they will have different Activities. Again the role determination is done at the server side, nothing will be determined by the client. The client must be written for tablets, not for phones.3) HTTPAs mentioned above will be very basic, just log in screen and view/modify some database fields(determined by the account)Please contact me if you have questions or would like to learn more about it.

  • $245 USD 11 days ago

    I have a JSP project that im coding right now. It is almost complete, but there are certain features that are not complete. My deadline is friday End of day. I need the JSP project to be completed by then. The jsp is hosted in tomcat and is called through a php program.

  • $750 USD 15 days ago

    This project involves creating a program that will monitor the prices of specific items within marketplaces/exchanges on a couple of different websites. The key objectives of this piece of software will be:1. Track the specific prices requested and send an email alert when the price reaches a pre-determined &quot;alert level&quot; which will be provided to you. 2. The program should be dynamic enough to be able to change that &quot;alert level&quot; on demand, as well as add or remove which items are being monitored. 3. The program should scan the marketplaces and check the prices 4 times a day: 12AM, 6AM, 12PM and 6PM central standard time (US).4. The software must be written in JavaScript, no exceptions. A successful outcome will be a clean, functioning piece of software that operates exactly to our specifications and whose parameters can be easily modified at any time.

  • $725 USD 17 days ago

    coding must be done for some classes and run their tests

  • $740 USD 18 days ago

    Hellowe would like to make a program which interface with the Ebay to retrieve data from itit is up to you if you give us me a web application or desktop applicaitonafter bidding i can tell you the more details

  • $25 USD/hr 19 days ago

    Hi. I just need a hand integrating my custom jsp servlet cart with my demo account. No credit card stored on sight, transmitted to payment gateway as &quot;Onsight Payment&quot; customer never leaves the site. Mostly done, one other thing though. I need a loop to create shopping cart persistence to the mysql table named, &quot;cart_items&quot;, giving each item in the session based shopping cart servlet its own record on the table for later use. Thank you. I&quot;d like to start the job now please. You need TeamViewer, JSP, JSTL, Servlet and some MySQL experience to SUM the total on the Checkout page and comfortable with integration. I have a demo account. Thanks.

  • $45 AUD/hr 20 days ago

    Using Grails as our framework and Groovy as the scripting language we need to modify our existing Identity Management system to accommodated transferring data to our Dynamic Group Engine. Specification are written, we need someone to code the work based on our specifications.

  • $221 USD 21 days ago

    Java expert needed for a small project which should be finished in 2 days. More details in private.

  • £30 GBP/hr 21 days ago

    Hi,I have a website on wordpress and I am using mulitple plugins. I want it to transfer from Wordpress to Custom php application. I want it to be same to same and like for like. It has Blogging and Forum functionality too. I want it to be tested completely as well.Website : the project in detail once awarded.Regards,Lakshay Sharma

  • $245 AUD 21 days ago

    I need an expert (5 years+ experience) to help me develop and write some JAVA software that will manage tasks on the users local machine via AWS (all data will reside on AWS and served to the users local machine via API calls). You will need to setup the AWS server as well. I suggest using Tomcat to protect mySQL (if you know what this means, put it in your bid).This is a small project - proof of concept. You do well there is a lot more work.Let me know your skills levels in JAVA, AWS, PHP, mySQL, NoSQL and NoDB.I look forward to working with you.

  • $230 CAD 21 days ago

    Hello Freelancers,We are a growing company with several new project. We are currently looking for a team with some good expertise in Java Programming for a long term relation, starting from a single project we can assign multiple projects to you so the team should be motivated, talented and with some good communication skills. Meeting the deadlines is the main priority so before you bid you make sure that you can work on long terms, within deadlines and ready to face some challenging jobs. Project budget will be decided when a project is discussed with you.To make sure that you have read this email, kindly bid $230.Looking forward to have a chat with you soon.Millisoft Corp.Qubec Canada

  • $740 NZD 23 days ago

    Existing Alpha Sencha App needs enhancements.App records time records and communicates to a RESFTFUL web service using JSON.Development is front end which makes AJAX requests.Solutions required:App component : Day View ListView one slot represent 6 minutes of timeSolution:Green Background on slots which any time entry traverses.Iterate through all store records for given day after save to see if any time entry traverses slot, if it does set css to be background green.App component: Day Navigation FieldSolution: Move Day Navigation Field from one view to another viewApp component: Fee Earner FieldSolution: Fee earner name field to be added to the application, field will be provided by back end developerApp component: Day view - Gesture - New time record with units pre populatedSolution: Gesture to mark a start time and end time for a time record, double tap / two finger tap to mark start and end of time slot. When end time slot is tapped open time form with units populated from gesture.App component: Day view - Gesture - Re sizeSolution: Gesture to re size existing time slot, double tap / two finger tap at start of time slot and new end to time slotApp component: Day view - Gesture - Move time slotSolution: Gesture to re size existing time slot, double tap / two finger tap at start of time slot and drag to new end of time slotGeneral solution notes: JSON AJAX request will be required to update back end server with time numberPlease wait to appear on all AJAX requestsFailure response to show on failures - i.e. Sorry unable to communicate with x please try again or contact supportOther Notes:Small project which may lead to other larger projectsPlease provide expected turn around in notes as these are specific solution / features

  • $40 USD 23 days ago

    Hello , i need a new api key for my website from taobao developers.

    Bing Zeng does not have any open projects.
    Bing Zeng does not have any work in progress.
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Senior Java developer

May 2008 - Jul 2010 (2 years)

Being a memeber for designing a large-scale E-commercial website .<br />Implement own Messaging,Cache system in Java for high perforamce!



Nanjing University



SUN cerficated Java developer


Sun Certified Java Programmer!