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Refactor delphi point of sales software

We have a legacy point of sales software build in delphi that is run in a multi store retail company with a central mysql hosted DB

The software uses a local clientdataset that is syncronized with a mysql backend

We reached the limit of the current architecture because we need to increase the number of pos per shop.

We would need to refactor the software, the ideal solution would be to have an multi tier environement

1 DB backend (hosted)

2 Service layer (if needed) (hosted)

3 Shop level middleware (in store)

4 Several POS client connected the store middleware

Ideally level 3 & 4 should be able to run in disconnected mode from 1 & 2 in case there is a drop in internet connection, however we are open to discuss the cost / benefits of having not having this disconnected possibility

Habilidades: Delphi, MySQL

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Acerca do Empregador:
( 3 comentários ) Bruxelles, Belgium

ID do Projeto: #11250222

26 freelancers estão ofertando em média $34/hora para esse trabalho

funnyfox

Dear Sir/Madam, We are interested in your project and very confident to fulfil it. Could you provide the detail requirements to us? We want to know more about idea of features and workflows for your new system Mais

$25 USD / hora
(45 Comentários)
8.2
seekdeveloper

Hi, I have read your post and understood your requirement. I have great experience working on /Delphi/PHP/MySQL/HTML5/jQuery/Laravel/Wordpress/Magento/Joomla/Drupal/AngularJS/node.js/CSS3/Java/Python/Django/Javas Mais

$25 USD / hora
(28 Comentários)
7.3
kukhtinigor

Hi. I have a lot experience with the same arhitecture. for now my application is working with drag stores. One server with MySQL, middle level on PHP (convert MySQL to ClientDataSet binary format ) and client applli Mais

$25 USD / hora
(83 Comentários)
7.1
theproper

To Whom It May Concern, We are a team of software engineers and business analysts with 7+ years of experience in professional software development in Delphi. We have had experience in both POS software developmen Mais

$30 USD / hora
(9 Comentários)
6.8
igors233

Hi, how are you? My name is Igor and I'm Delphi expert with more than 15 years of experience in various areas including multi tier and multiplatform solutions, POS, fiscal devices, optimized standalone applications. Mais

$27 USD / hora
(55 Comentários)
6.4
prashushinde9

Hello, I understood the initial scope of this project. Although i want to discuss further this job in order to prepare the final concept for this project. After Complete discussion over the call or in chat, i wi Mais

$51 USD / hora
(12 Comentários)
6.1
victorcastro

Hi, I'm a well experienced IT Consultant with Delphi specialty for more than 10 years and I'm ready to help you out with your project. I'm hard working person who likes to contribute with my experience in challenging p Mais

$26 USD / hora
(19 Comentários)
5.9
OlegDim

Hi I'm Delphi developer for many years, starting from Delphi 7 till XE 10. I want to help you with refactoring your application. Please contact me to discuss details of the project Thank you Oleg.

$27 USD / hora
(70 Comentários)
5.9
augustogus

Good afternoon and thanks for the invitation. before proceeding in hypothesis I would like to check why the software reached a tech limit then I could suggest improvements or entire reengineering. Which Delphi version Mais

$44 USD / hora
(28 Comentários)
6.1
winnet21

Dear Sir, I read your project description I have experiences to delphi You please download a demo (using delphi) that i done at : [login to view URL] Mais

$25 USD / hora
(30 Comentários)
5.8
dobirno

Dear Sir, I have 15+ years of pure experience in Delphi (it is my specialization). Last 7 years I work as freelancer. I worked with all popular DB engines like MS SQL Server, MySQL, Interbase/Firebird etc. Implement Mais

$33 USD / hora
(28 Comentários)
5.6
katrid

Hello, I'm borland (delphi 5 and 7) and embarcadero certified developer, I would be happy to help you on this project. I also have a javascript/angularjs based pos project. You can see a tiny demo here: [login to view URL] Mais

$41 USD / hora
(3 Comentários)
5.6
Shopify

I want to discuss this project with you further, let me know the best suitable time for you to schedule the meeting, Feel free to message me at any time, i used to be online 14 hrs in a day on this website so probably Mais

$25 USD / hora
(7 Comentários)
5.2
DeadC0der

Hi there ^^ I'm delphi coder actually I used to code simillar jobs just like the one you have mentionedd i MEAN ERPs and POSs rather than databse driven applications using the latest engines like FireDac,UNIDAC,ZEOS,OD Mais

$25 USD / hora
(26 Comentários)
5.0
rainstreamweb

Hello, This is not copy/paste message. I read your requirements. I am interested for this job. I have expertise in Wordpress, Laravel, Magento, AngularJS, Ruby on Rails, Core PHP etc. technologies and can work o Mais

$41 USD / hora
(8 Comentários)
4.6
narendragautam

Hi, I am interested. I am full time freelance. I will start immediately. Thanks narendra

$25 USD / hora
(5 Comentários)
4.1
bonapps

Hello Mate! I am interested in the project you posted. Their are lot of interested people here and they have lot of different things so i dont know you will reply me or not or even read my post or not but i want to l Mais

$50 USD / hora
(1 Comentário)
3.2
MarcoAGarcia

Hi, I'm a Delphi developer with more than 30 years of experience (yes, since the times of Borland's Turbo Pascal). The past 20 years I was fulltime employed (in-situ) by two international organizations; the Inter-Ameri Mais

$44 USD / hora
(2 Comentários)
3.5
smichrissoft

Hello! Our developers have great skills in Delphi and MySQL and our team is ready to refactor the point of sales software. Please give us more information to make clear all the details of your project: 1. Do you hav Mais

$27 USD / hora
(1 Comentário)
1.6
Aymen3002

I want to know more about you siftware first.

$55 USD / hora
(0 Comentários)
0.0