Сustomer oriented approach
Proficiency with Linux/UNIX command line tools/environment
Strong understanding of network technologies and protocols (OSI model, NAT, DNS, IPv4/IPv6, TCP/UDP)
4+ years in software development
3+ years of experience with python system programming
Good knowledge of OOP, OOD principles
Experience with VoIP, VoLTE technologies
Knowledge of SIP, Radius, Diameter protocols, WebRTC technology
Experience with C/C++, shell scripting
Interesting and challenging work in global software solutions vendor for modern telecoms
Flexible working hours
Paid vacations: 24 business days; Compensatory leaves and paid Sick days
Great working conditions and comfortable office
Corporate events and great team and friendly atmosphere
Development and optimization of PortaSIP components
Reviewing and extending functionality and capabilities of existing components (for instance improvements in terms of better scalability, failover, reliability, etc.)
Providing assistance for support with application issue troubleshooting
Proactive participation in discussion/design of new components/features/solutions which appear while PortaSIP/PortaSwitch evolves
PortaOne creates software solutions enabling telecommunication service providers and carriers to offer multiple voice, data, and converged services on a single platform named PortaSwitch.
PortaOne products are built around a converged carrier-grade billing platform combined with a class
Our billing is RADIUS based and compatible with major SBC and media gateway vendors. It can process real time prepaid and postpaid charges for voice and video calls, Internet connectivity, MVNO and IPTV services, WiFi/WiMAX access, data and faxes, or one-time events such as SMS or a pay-per-view movie.
PortaSwitch is a unified platform for telecommunication service providers, wholesale carriers, ISP, MVNO and NGN operators for unifying voice, messaging, and data traffic within a single converged network.
PortaSwitch provides various prepaid, postpaid, retail and wholesale telecommunication services, including calling cards, Vonage- and Skype-like services, CLEC type services, MVNO & MVNE, ISP, WiMAX & WiFi and much more. It includes 2 main components:
PortaBilling, a business and operation support system (B/OSS) designed for telecommunication service providers to manage end-to-end telecom service networks.
PortaSIP is a clusterable and highly scalable SIP softswitch of class 4 and class 5 with media application that plays IVR (voice prompts). It offers a variety of both advanced class 5 features for hosted IPPBX or IP Centrex services as well as the majority of functionality normally attributed to session border controllers (SBC).