Software Engineer (SIP/VoIP)

Netstratum is a global product development company specializing in custom software and enterprise IT services. With teams across ten global locations, we combine local insight with global expertise to deliver innovative, purpose-driven solutions.

As a leader in telecom tech, we build secure, high-performance Unified Communication Systems used by Tier-1 providers, enterprises, and governments. Our in-house AI platform is built for scale, security, and real-world impact.

Join a vibrant, diverse team working on cutting-edge projects in telecom, AI, IoT, and digital transformation—within a fast-paced, learning-focused environment.

www.netstratum.com 

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We are seeking a Software Engineer with 3+ years of experience to develop a global telecom product with voice, video and chat capabilities. The candidates shall have Linux / UNIX software development experience along with proficiency C++ and Java in cloud, telecom, or related fields. The developer will be responsible for full lifecycle software development using Agile methodology with a focus on Linux system-level features and software development of the cloud voicemail application, and cloud media server.

Key Requirements:

• Experience with Linux system development in SIP, C++, Java, Perl, Python, PHP, VoiceXML, Pacemaker, Corosync, DRBD, real-time software, VoIP, relational databases, networking, and virtualization.
• Demonstrated track record of high quality, innovative, full-lifecycle cloud software development.
• Understanding of high-availability and carrier-grade software development methodology.
• Demonstrated ability to construct designs, estimate development effort, and deliver robust, high-quality software to development plans.
• Familiarity with version control systems and branching/merging, dependency management and build frameworks.
• Strong analytical and troubleshooting skills.
• Ability to work well both within a team and unsupervised.

Desirable:

• Security best practices in software development.
• PostgreSQL database management.
• Tomcat application server configuration.
• Git version control system and branching/merging strategies.
• Networking protocols and configurations.