Requirements

Expected technologies

Java

C++

Our requirements

• Degree in Computer Science or related field
• Experience with Java and/or C++
• Spoken and written English at conversational level (B2)
• Team-oriented approach

Optional

• Experience with IMS and/or VoIP technology
• Experience using version control systems (Perforce, GitHub, Gerrit etc.)
• Knowledge of communication protocols such as SIP, SDP, IKE/IPSec, MSRP, HTTP, TCP/IP, UDP, RTP
• Understanding of mobile network technologies such as 2G, 3G, 4G/LTE and 5G
• Hands-on experience with Wireshark, Swarm, Confluence

Your responsibilities

• Development and maintenance of Android system-level service
• Support of IMS services (VoLTE, VoNR, ViLTE, Wi-Fi Calling, SMSoIP and RCS)
• Analysis and implementation of latest GSMA/3GPP requirements
• Issue analysis and resolution as main activity
• Network protocols analysis
• Preparation and review of technical documentation
• Innovation research
• Development of internal automation tools