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Development of a Digital Signature App

We need a development of a digital signature app that can sign pdf asking a user for their certificate (token usb, smartcard, etc), this app must follow standard recomemdations to make a valid digital signature. This app need to be integrated with another generic applications thru some kind of api. We need the source code of this application and are preferable if this software is written in C#.

Kĩ năng: Lập trình C#, .NET, Kiến trúc phần mềm

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Về Bên Thuê:
( 0 nhận xét ) Lima, Peru

ID dự án: #21819850

54 freelancer đang chào giá trung bình $2383 cho công việc này

devexpertsteam

Hello, We are IT-Engineers and Business Analysts, creating complete web and mobile solutions, for already more than 15 years, supporting our products with custom digital marketing strategies and instruments. Comp Thêm

$3000 USD trong 30 ngày
(126 Nhận xét)
8.8
aistechnolabs

Greetings, Thanks for the opportunity. AIS Technolabs (Expert Mobile Developers) is a dedicated team with over 10 years' experience and a strong workforce of 240+ Professionals. Understanding: I have gone through you Thêm

$2600 USD trong 30 ngày
(38 Nhận xét)
8.5
owebest

Hi, Greetings! I have reviewed your project description and understood that you want us to develop a digital signature app that can sign pdf asking a user for their certificate To let you know about ourselves, our te Thêm

$3000 USD trong 34 ngày
(227 Nhận xét)
8.7
ask2itsolutions

Hello, We have good experience team in asp.net, angular, .net core. We have worked on many applications, portals, SaaS products in different domains like Finance & Accounting, Payroll, CRM, HR, Real Estate, Advertisin Thêm

$3000 USD trong 55 ngày
(63 Nhận xét)
7.9
AwaisChaudhry

Hi,. I have gone through the brief details mentioned on the job. I have done multiple jobs with .NET, C# Programming, Software Architecture which are the skills required to get this job done. Lets start the chat so we Thêm

$3000 USD trong 9 ngày
(55 Nhận xét)
7.7
KESHAVINFOTECH

Hi There, Thanks for your valuable time. :-) Please check below points : 1. We need a development of a digital signature app that can sign pdf asking a user for their certificate (token usb, smartcard, etc), this ap Thêm

$2987 USD trong 50 ngày
(280 Nhận xét)
7.2
AzzkaNoor

Greetings of the day. Hope this proposal finds you in the best of your health. It is my humble offer to present my services to you for this Digital Signage Application in .NET project. I have passed 15 certifications Thêm

$2250 USD trong 7 ngày
(17 Nhận xét)
6.9
ITPyramid85

I CAN COMPLETE YOUR PROJECT EASILY Hello, I am software developer with enough experiences on C# for 13 years. I can work by full time for your project and trying to satisfy the requirements. I am designing the project Thêm

$2000 USD trong 7 ngày
(26 Nhận xét)
6.9
XeeChaun

hi. I have 6+ years of experience in C# and Smart cards. I have done a number of applications. here are a couple of demos: ---( [login to view URL] )--- and ---( http: Thêm

$2000 USD trong 30 ngày
(99 Nhận xét)
6.9
topstar323

Hi I have been specializing in mobile and web(website, backend) for 7+ years. I have rich experiences in - VoIP mobile/web app using webRTC, 3rd party, streaming server - On demand system such as UBER style booking , Thêm

$2250 USD trong 7 ngày
(8 Nhận xét)
6.5
concettolabs

Mobile App Experts! Hello, we are a leading mobile app development company. we specialize in Android, iOS native app development. We have studied your project and we think we can surely do it. you can rely on us as Thêm

$3000 USD trong 30 ngày
(24 Nhận xét)
6.2
avto35217

Hi,sir. I am super interested in your project - 'Development of a Digital Signature App' :) I've already done this kind of project before. I believe that my 12+ years of experience in development makes me highly qualif Thêm

$2500 USD trong 9 ngày
(12 Nhận xét)
6.0
Sunxiyong0116

How are you? I am expert in mobile/web field. Especially,I have strong skills in java in android studio, swift, objective-c in xcode. Also have good skills in Xamarin, C#. For digital signature, i have excellent skill Thêm

$2250 USD trong 7 ngày
(12 Nhận xét)
6.1
schoudhary1553

Hello Sir, I am expert who understands the value of time. I pride myself in my attention to detail. I am very hard working and aim to deliver in less time than quoted. I want to make you, my employer happy without cha Thêm

$2200 USD trong 15 ngày
(40 Nhận xét)
6.1
YuriyStepanovich

Hello, I am good c# developer. I have much experiences with software development. So, I can do your project perfect. Please contact me and discuss more. Thank you.

$3000 USD trong 30 ngày
(5 Nhận xét)
6.0
Friends4it

We already have built large scale applications, CRMs, ERPs and huge systems can be found at our website. Like [login to view URL] [login to view URL] [login to view URL] [login to view URL] https: Thêm

$2500 USD trong 6 ngày
(15 Nhận xét)
6.7
williams115

Hi there - My name is Phong. I’ve read your brief and I am very interested in this project because I have good knowledge and rich practical experience in these fields. I am highly qualified for this project and would l Thêm

$2250 USD trong 7 ngày
(22 Nhận xét)
5.7
gahisharma

Dear Client,Hope you doing well. I have gone through your requirement and as per my previous work experience i am ready to start work immediately on your project. yes i am very much expertise with Java script,XCode,O Thêm

$2250 USD trong 7 ngày
(6 Nhận xét)
5.4
ludiac

Hi there, We've reviewed the details of your application and we can build the app for pdf digital signs. Didn't get what you mean by user certificates. Is that something they'll get after payment through website? Let Thêm

$2500 USD trong 15 ngày
(10 Nhận xét)
5.4
SecureForYou

Hello sir. I hope you are doing great. I am a full-stack web developer who has 8+ years of past experience. I can say that I am a real full-stack, who is able to work on both frontend and backend, in any programming l Thêm

$2250 USD trong 30 ngày
(9 Nhận xét)
5.4