Urgent- Executable application to develop

Simple executable application (.exe software) that run on the user computer (Windows) to develop. The application has to allow users to run searches in a large business marketing database, filter the records according to their selections, display the results (addresses) and give the user the option to export those results into .csv or .xls.

Here is an example of an entry in the database: John Smith, Purchasing Director, Company ABC, Street Y, City Z, Manufacturing Company, 500 Employees, tel, fax

The application needs to have 2 main simple functions :

1) A multi-Filter allowing the application to filter the address database depending on the user selections and display the results (addresses).

(The user will for example be able to search all companies in CityX or all manufacturing companies in CityY or all companies with tel and so on...)

2) Export of the results into .csv or .xls.

The software required is a stand-alone software (it will not connect to any server database or any external network. It will just (basically) open a local large database (with about 5 mio records), search through it and display the filtered addresses to the user according to his search requests. It works from the user's computer (offline). Also there needs to be no add-ons or plugins required to run it.

We will provide you with the database in .csv (about 5mio records)

Important Fast search Feature:

You need to convert the database to a format adjustable for fast wide searching. It needs to be organized in dictionary-indexed mode with a lot of references. So that the searches will be completed quickly in a few seconds without taking too much resources.

Regarding the programming language, C# or C++ would be preferred.


Along with your bid, please indicate what programming language will you use and how do you intend to develop the application so that it will be working fast. (with 5million records)

Project urgency: This project is urgent. Ideally, we would like to have the application completed in 3 days and it needs to be started immediately


Thanks for your bid

Habilidades: Programação C, Programação C#, Programação C++ , Arquitetura de software, SQL

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Acerca do Empregador:
( 105 comentários ) London, United Kingdom

ID do Projeto: #6830594

Concedido a:


Hi, my name is Viktor Jamrich. I have already done a similar application written in C#, with the exact multi-filter feature you need, but instead of getting data from a file, it takes it from a MySQL database. Mais

$255 USD em 3 dias
(0 Comentários)

13 freelancers estão ofertando em média $223 para esse trabalho


I have gone through the details. As you have mentioned it is a huge csv files, here are my suggestions There can be multiple ways to achieve the target 1- Multi thread In this case we can use parallel th Mais

$200 USD in 3 dias
(153 Comentários)

hi. I have 2 years experience in C#. I have already built such applications which handle/ouput CSV, XLS, PDF files. HOW I will develop: I will give you a WinForms application, you can browse the input CSV database into Mais

$250 USD in 3 dias
(24 Comentários)

Hello, sir. I have enough experience in C# and C++ programming. I can do your project for 3 days. Thanks. Regards.

$263 USD in 3 dias
(31 Comentários)

Hi, I'd like to develop this tool for you as I have extensive C# experience (I will use C# and optimized LINQ to do real-time fast search). I've done some projects for you in the past (CSV handling), and also you can s Mais

$212 USD in 2 dias
(19 Comentários)

Dear Sir, I can create it using C# language and prefer to use SQL query so it will fast if the database stored in access or any microsoft database, I am really interested to do the project. I am a Professional Pr Mais

$250 USD in 3 dias
(10 Comentários)

Hi, Let me answer your questions first: 1) I will use c# language. 2) I will divide database on city base and then do parallel search on each of database. I am interested to work on this project. I have 6+ yea Mais

$144 USD in 5 dias
(25 Comentários)

Hello, I am software engineer from Serbia. I have already develop something like this. With filters and data from csv files. I will make you a demo version for your application and if you like it we will work on full Mais

$100 USD in 10 dias
(2 Comentários)

Although I can program C/C++ as my main develop language, for your project, I will use the POWERBASIC for simple few reason. 1. very strong string parsing speed. if you look for speed to process the record, this is Mais

$277 USD in 3 dias
(1 Comentário)

Hello, I am a .Net programmer having 8+ years of experience in C# Programming,Software Architecture, Javascript, RESTful, ,ASP.NET, jQuery / Prototype, Microsoft SQL Server, MVC and 100% confident to take up the ta Mais

$222 USD in 3 dias
(1 Comentário)

Hello there, I will use C# for this project. 5M records is not a big deal cuz I am a professional in algorithm. Basically, I will used hash, sort and binary search technique for "exactly" matching query, which Mais

$250 USD in 3 dias
(1 Comentário)

I intent to build your application in C#, I will have to work out the speed of fetching 6 Million records.

$277 USD in 4 dias
(0 Comentários)

Hi, As per the requirements , We will deliver the .exe file within 3 days. We are expert in erlang, java, PHP , C, C++. We will make it work faster. Please discuss the project with us.

$250 USD in 3 dias
(0 Comentários)

Hello Sir, My name is Ahmad Samir and I am a senior software engineer. I have a solid practical experience in software industry domain for more than 9 years. I checked your job's description and I am very interested Mais

$200 USD in 7 dias
(0 Comentários)