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Senior Java Developper needed to create a SDK fo ISO8583 messaging

$1000-1500 USD

Fechado
Publicado há mais de 3 anos

$1000-1500 USD

Pago na entrega
We need a developer to create a JAVA library that convert regular json to a ISO8583 Hypercom messaging protocol through socket connections. This library must be a jar file that can be integrated into a larger application. Our Backend is based on MULE ESB so it could also be a Mule based solution through an API We will provide all documents towards the financial institution to which we need to send the requests. This is an immediate need.
ID do Projeto: 29025277

Sobre o projeto

13 propostas
Projeto remoto
Ativo há 3 anos

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13 freelancers estão ofertando em média $1.305 USD for esse trabalho
Avatar do Usuário
Hi , My name is Viktor and I’m a software developer with over 14 years of experience in JAVA/J2EE Technologies. I would like to participate in this project and build a jar file that will convert regular JSON into an ISO8583 Message. The budget includes the library (jar file) which ISO8583 Message Packer and Unpacker with SocketClient for communication with an external server. If you will like my job we can discuss the implementation of the wrapper for the library base Mule based solution through an API in the next project Before starting the project, I have got a couple of questions: Since the communication happens over socket does the library should support SSL/TLS? Must the library support both Blocking IO and Non-blocking IO(NIO)? Must the library be lightweight without any external dependency, just java? Will you provide the documentation and testbed that I can test the library (so at least where I can send packages over the socket, and receive a response)? Best regards, Viktor
$1.400 USD em 12 dias
5,0 (16 avaliações)
6,5
6,5
Avatar do Usuário
Hi, I can implement your java library to convert the data format. Thank you for checking my bid. I understand your needs and I think I can do it. If you hire me, I will do my best for you. I hope you would contact me and discuss details. Thank you.
$1.000 USD em 7 dias
5,0 (15 avaliações)
5,0
5,0
Avatar do Usuário
Hello I am an expert in Web Development with 10+ years of experience. I have vast experience in this field and have done many social, e-commerce, CRM, etc.. I am very confident about this project due to my experience and skills in these fields. My Skills: PHP, Laravel, CodeIgniter, Nodejs, Express, React.js, Vue.js, Angular, HTML5, CSS3, Bootstrap, Ajax, Axios, RESTfull-API, WordPress, Joomla, Drupal, ASP.NET, NopCommerce, Shopify, MongoDB, MySQL, Redis Hope we can work together for your project. Thanks & Regards.
$1.500 USD em 6 dias
4,9 (12 avaliações)
4,3
4,3
Avatar do Usuário
Hello, I already converted JSON to ISO8583 in Java. So I can start immediately on your project. Please discuss some details. Best regards, Maksym
$1.250 USD em 7 dias
4,5 (2 avaliações)
4,4
4,4
Avatar do Usuário
After going through your requirement carefully, I'm confident that you can trust upon my 9+ years of Java/MuleSoft programming experience for your assignment. Be assured of precise work & on time delivery because I've done similar assignments throughout my career. Please click on my profile to checkout my work. Feel free to contact & discuss details.
$1.000 USD em 5 dias
5,0 (1 avaliação)
1,4
1,4
Avatar do Usuário
a senior java application designer with fluent experience on data parsing and transformation, can help you on this job.
$1.250 USD em 7 dias
0,0 (0 avaliações)
0,0
0,0
Avatar do Usuário
Hi...i am Ahmad from iraq...i have degree in cs...more than five years in government...and learned in visual basic ...c#...java...kotlin...oracle...python. thanks. by away iam beginning in freelance.
$1.111 USD em 10 dias
0,0 (0 avaliações)
0,0
0,0
Avatar do Usuário
Hi There, I completed my bachelor's and master's in computer science and working as a senior software engineer in USA based company. I have more than ten years experience as a software Engneer. I satisfied all job requirements and hope this is a good opportunity for me to enhance my knowledge related to the field.
$1.250 USD em 5 dias
0,0 (0 avaliações)
0,0
0,0
Avatar do Usuário
Hi, I am not senior developer, I have least experience than 5 years on company. But I write responsible code and think work ethic and good quality work more important. Recently, I have gotten familiar with ISO standard on companies. Also, I have worked with financial institutions, SEPA (Europe bank), XML files. Let me know if you are interested to talk about functionality.
$1.500 USD em 24 dias
0,0 (0 avaliações)
0,0
0,0

Sobre o cliente

Bandeira do(a) MALAYSIA
BALIK PULAU, Malaysia
5,0
12
Membro desde set. 25, 2020

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