Job developer

1 High proficiency in Java projects (preferably Maven based).
1.1 Desirable additional coding skills: C/C++, Python, Ruby on Rails, JS (Angular, Node, etc.), php, json, JAIN SLEE, etc.
2 High proficiency in Linux and Bash/Perl scripting.
3 High proficiency in Web Services (REST, SOAP).
4 Proficiency in telephony signalling protocols, either for legacy (SS7/SIGTRAN stack) or Next Generation Networks (Diameter/SIP). This includes knowledge about core network architectures (GSM/UMTS/LTE and the PSTN).
5 Proficiency in HTTP, SMPP, SNMP, SMTP.
5.1 Desirable additional skill: WebRTC.
6 Experience with technical specifications, especially ITU, 3GPP/LTE and IETF. Standards from IEEE, OMA, GSMA, TM Forum, 5G-PPP would be a plus.
7 Experience with databases, either SQL (MySQL, PostgreSQL, etc.) or NoSQL (Cassandra, MongoDB).
7.1 Desirable additional skill: Big data with Hadoop or similar.
8 Experience with classic mobile value-added services (SMS, USSD, LBS, etc.).