Kapalı

Complete VPN development

We are looking for an experienced software company(outsourcing) that could develop a VPN back-end service and iOS/Android/Windows/MacOS clients that interacts with this service.

Your company will be responsible for the development of the secure VPN service and the client apps that would be used by clients.

You'll participate in the complete development life cycle starting with understanding various functional requirements, understand/refine functional specification and develop for high throughput and easy to maintain systems.

PS: This is not **just** a mobile app. It is the back-end + the mobile apps for the two platforms. The overview is explained a little bit more in the attached document.

Requirements:

=============

Experience and good portfolio showcasing the development of "apps" on Linux, Android, iOS/Mac, Windows.

Knowledge of technologies like v2ray, WireGuard, trojanGFW would be a great plus.

Solid experience in software development with focus on high-performance networking software.

Strong understanding of network and security protocols(TCP, UDP, IP, TLS, Active Directory/LDAP).

Strong understanding of network-security fundamentals (e.g. authentication, cryptography, KPI).

Beceriler: Mobile App Development, C++ Programlama, Linux, Golang, iOS Development

Daha fazlasını gör: based company looking experienced qualified call center provider, looking web outsourcing company, software development partnership looking, looking experienced myspace layout designers, looking experienced graphic design, looking experienced translators video games, looking experienced webmaster, looking experienced posters refundable fee paid, looking experienced programer wow, looking experienced writers, looking experienced joomla developer good feedbacks cleaning website, web development firm looking project, companies looking bpo outsourcing, software development company looking for outsourcing, We are looking at outsourcing some web development involving PHP, HTML5 and MySQL to a qualified individual or small firm. We ne, which phase of the software development life cycle is a requirements specification document created?

İşveren Hakkında:
( 0 değerlendirme ) Dubai, United Arab Emirates

Proje NO: #30923542

Bu iş için 21 freelancer ortalamada $42690 teklif veriyor

(51 Değerlendirme)
8.0
(19 Değerlendirme)
7.5
(15 Değerlendirme)
7.5
(26 Değerlendirme)
7.4
espsofttech

Hello, Greetings from ESP Softtech Pvt Ltd. One of the leading IT companies based in India & USA. We are having 8+ years of experience in this industry . My name is Rashi Jain, Business Developer and Project Coordinat Daha Fazla

$35000 USD in 7 gün içinde
(29 Değerlendirme)
7.0
point2solutions

Dear client, Hope are you doing well there, I have gone through your requirement are you want to the development of a self-hosted robust virtual private network(VPN). a back-end server and the mobile client for the Daha Fazla

$35000 USD in 45 gün içinde
(19 Değerlendirme)
7.2
(1 Yorum)
5.9
AzzkaNoor

Hello. Experienced Mobile developer here. Happy to inform you that your project perfectly falls under my expertise. I would like to ask the following questions relevant to your project. 1- Can you provide the complete Daha Fazla

$50000 USD in 50 gün içinde
(6 Değerlendirme)
6.0
FiveExceptions

Hello, We have developers with more than 8+ years of experience in Object C, Swift, Firebase, Java, Kotlin, React Native, Flutter, Xamarin, Android SDK, etc. To know about our technical expertise please visit https:// Daha Fazla

$35000 USD in 7 gün içinde
(11 Değerlendirme)
5.2
(8 Değerlendirme)
4.8
(5 Değerlendirme)
4.9
montylc

Hello, Greetings! ___Hope you're reading my proposal, will wait for your positive response.___ ___I'm interested in your project.___ ___I can start the work right away & I assure you for the best quality work.___ I'v Daha Fazla

$30000 USD in 45 gün içinde
(13 Değerlendirme)
4.7
Ecybersolution

****** Expert Web & Mobile App Developer ******** We Can Develop the VPN Back-End Service and iOS | Android | MacOS according to Your Attachment Document. **** I would appreciate it if you could interact with me. Daha Fazla

$40000 USD in 65 gün içinde
(3 Değerlendirme)
4.6
(7 Değerlendirme)
3.8
vbtise

We Are A Software House Ready to Develop A Secure VPN and iOS/Android/Windows/macOS clients that interacts with this service. Our Developed Secure VPN uses OpenVPN for its Android, macOS, and Windows apps. iOS devices Daha Fazla

$40000 USD in 7 gün içinde
(1 Yorum)
3.6
(12 Değerlendirme)
4.0
tgltech

Hi, I have seen the attachments and got a brief idea of what you are looking for. Having seen the details provided by you, I have the required capabilities and experience to deliver the required work with high quali Daha Fazla

$44500 USD in 7 gün içinde
(5 Değerlendirme)
1.7
nalliancetech

Narinder Alliance Technologies LLC An IT Consulting and Software Development company. We have a team expert in Web Designing, Application Development and Databases. Major offerings include Digital Transformation, Appl Daha Fazla

$50000 USD in 180 gün içinde
(3 Değerlendirme)
0.5
KrishnaP2015

Hello KPIS Pvt Ltd. is a web development, Mobile App and Game Development company and has been established since 2015. We at KPIS are on a mission to help small and medium size business to have an online presence by w Daha Fazla

$50000 USD in 45 gün içinde
(0 Değerlendirme)
0.0
InfoPolus

Hi! My name is Oleksandr Tumak, I'm CTO at Info Polus from Ukraine. Though we are new at Freelancer, we have 15+ years of experience building web, mobile apps and custom software. We have implemented plenty of projects Daha Fazla

$40000 USD in 60 gün içinde
(0 Değerlendirme)
0.0