Develop and enhance Android applications for intercom communication systems.
Implement SIP (Session Initiation Protocol) for VoIP communication between intercom devices.
Work on UI/UX design to ensure a seamless and intuitive user experience.
Optimize real-time audio and video streaming performance.
Integrate WebRTC, RTP, and other media handling frameworks.
Develop secure communication mechanisms with encryption and authentication.
Debug and troubleshoot VoIP and SIP-related issues.
Ensure compatibility across various Android versions and device types.
Collaborate with backend teams to integrate APIs and cloud-based services.
Conduct unit testing, debugging, and performance optimization.
Bachelor's/Master's degree in Computer Science,
Software Engineering, or a related field.
2+ years of experience in Android development using Kotlin/Java.
Strong knowledge of SIP protocol, VoIP applications, and WebRTC.
Experience with Asterisk, FreeSWITCH, Kamailio, or OpenSIPS.
Knowledge of audio/video codecs (G.711, G.729, Opus, VP8/VP9, H.264).
Hands-on experience with Android UI design principles and best practices.
Experience with network programming (TCP/IP, UDP, RTP, STUN, TURN, ICE).
Familiarity with Firebase, push notifications, and background services.
Preferred Skills:
Experience in smart home intercom or access control applications.
Knowledge of Android NDK for low-level media processing.
Understanding of secure communication standards (TLS, DTLS, SRTP).
Health insurance, social insurance and Premium Health Insurance package for you.
Competitive salary package with 13th monthly salary and a good long-term and performance bonus monthly and yearly.
5 working days per week (Monday-Friday), to some extent flexible working hours.
Free snacks and coffee every day.
Join the Soccer and Badminton Club.
Support onsite fee with two way airline tickets if customer requires.
Friendly, professional and open working environment.
Opportunities to improve English skills within an international team - English is an official language.
Opportunities to gain hands-on experience in cutting-edge technologies
You will become the key members of WATA as we WATA is growing faster and bigger now
Guaranteed permanent employment and career development.
Skills up plan with Tech talk, soft skill talk, English club, working process training.
Company trip yearly.
