Telnyx API Integration + Windows App Serve it

We are looking for expert C# .Net developer to achieve this project. Th project will divide in two parts:

1- C# .Net Class library to handle Telnyx API (TelnyxAPILib)

2- .Net Windows application in C# .NET to serve calls and SMS through TelnyxAPILib.

This app should has the following main features:-

a. Allow import/export spread sheet with names and phones in grid view (Ability to cache last

imported file).

b. After import sheet, allow user to select all or specific numbers to broadcast SMS.

c. Text area to enter message content.

d. Send message to selected phones with delivery checking.

e. Make call to specific number.

f. Ability to record voice message as save it, to broadcast it to number of phones later.

g. Validate phones before send SMS or make call (check US or CA, not null and so on).

h. It should be windows application in C# .NET.

All source code should be on Bitbucket repositories, and before code delivery you will transfer

repositories ownership to our Bitbucket account. Library and App should be in separated repositories

(use library as sub module for App)

Note: Submit your cost based flat rate and time to complete it.

Taidot: .NET, ASP.NET, C# -ohjelmointi, C++ -ohjelmointi, tietojärjestelmäarkkitehtuuri

Näytä lisää: An Example of the app: if you need a house keeper, you can find the person in the app. We will use background check such as chec, web api for windows app, exchange api windows app, telnyx sms pricing, telnyx blog, telnyx voip, telnyx sip, telnyx support, telnyx portal, telnyx reviews, telnyx mms, php, android, .net, mvc, api, windows app exchange api, api keyboard mouse app windows 32bit, facebook app api integration, background check api integration

Tietoa työnantajasta:
( 0 arvostelua ) United States

Projektin tunnus: #17163590

Myönnetty käyttäjälle:


Hi I am a technical evangelist, developer and can do this task for you. I have more than 12 years of experience in software development and am a microsoft certified professional.I have strong work experience in Reac Lisää

$800 USD 25 päivässä
(39 Arvostelua)

17 freelanceria on tarjonnut keskimäärin %project_bid_stats_avg_sub_26% %project_currencyDetails_sign_sub_27% tähän työhön


Are you aware that Telnyx API requests are rate limited to 100k requests every 15 minutes, per IP address? Telnyx HTTP endpoints are RESTful, and consume and return JSON. All HTTP endpoints except [login to view URL] Lisää

$555 USD 10 päivässä
(139 arvostelua)

HI, I will finish it in 15 days period of time, you will have neat clean application and with proper coding standard. I will use the bitbucket repository that you provide. 8+ year exp. in c# programming and a Lisää

$1500 USD 15 päivässä
(179 arvostelua)
$555 USD 10 päivässä
(23 arvostelua)

hi. I have 5+ years of experience in C# development. I have already built API integration solutions and data import/export using APIs. here are a couple of my past projects: ---( https://www.freelancer.com/jobs/project Lisää

$750 USD 15 päivässä
(71 arvostelua)

hi,dear. We understand your proposals and I am very interested in this job - 'Telnyx API Integration + Windows App Serve it'. We are senior software developers and I am able to perform this task with my developers team Lisää

$555 USD 4 päivässä
(15 arvostelua)

I am confident that i can do this project. Would you please message me so i can ask some directed questions to gather all the details for this project before project's initiation? Looking forward to show you my skill Lisää

$555 USD 10 päivässä
(5 arvostelua)

Hi, I have gone through your requirements and I can definitely help you with the required development. I have completed more than 400 projects for various clients. Check Portfolio and reviews for some of the past wo Lisää

$750 USD 15 päivässä
(16 arvostelua)

Hi, I have 13 years experience in C# desktop application development. I can complete the project in Winform or in WPF. I have studied the requirement properly and agree to all the terms. I also offer 30 days bug recti Lisää

$600 USD 10 päivässä
(27 arvostelua)

Hello, As you want import/export sheet, feature to broadcast, call and message gateway, typing area for alphabets and numeric digits and so on. We can develop this for windows using .Net c# only Kindly let us know in Lisää

$500 USD 20 päivässä
(10 arvostelua)

Hi ! As I have seen your above explained requirements for yours projects. Hello There, Greetings for the day ! Our technical expertise IVR, includes cross-platform proficiency (Windows, Unix, Linux and VxWorks Lisää

$277 USD 15 päivässä
(11 arvostelua)

Hi. My name is Oleg and I am senior C#/.NET software developer from Ukraine. Please contact to discuss any other details regarding the project. You need .NET wrapper that covers all possible endpoints of Telnyx http ap Lisää

$750 USD 21 päivässä
(3 arvostelua)

Hello, your requirements are pretty clear. I can write this program for you all in c# with easy to read maintainable code. The only thing missing is how do you want your information stored, a local database or an azur Lisää

$1200 USD 20 päivässä
(3 arvostelua)

Surely, I've given expertise. I'm Microsoft Certified Professional, Senior Software Engineer and Microsoft Certified Trainer with over five Years of Experience. Skills: ASP.NET Core (MVC 6), MVC 5, WCF, N-Tier Lisää

$555 USD 10 päivässä
(2 arvostelua)

Hi there, >> A gentle followup regarding the previous shared proposal. Possess 6+ years of experience with expert skills in ASP.net | SQL Azure | C# | etc. + We religiously use Bitbucket. + Confident to deliver Lisää

$833 USD 10 päivässä
(3 arvostelua)
$600 USD 10 päivässä
(0 arvostelua)

i am full fledged .net developer works for major mnc experience of 6.7 years worked for microsoft and microsoft certified professional. Relevant Skills and Experience .net biztalk wcf

$555 USD 10 päivässä
(0 arvostelua)