Senior Software Engineer - VoIP expert

Job Title: Senior Software Engineer - VoIP expert

Key Skills: VoIP, FreeSwitch, Backend, DevOps, AWS

Location: Brazil

Mode: Remote

We at Coforge are hiring Senior Software Engineer - VoIP expert with the following skill set.

Key Responsibilities

• Actively contribute to the codebase by writing production code, prototyping critical components, and resolving complex technical challenges;
• Develop and maintain VoIP solutions for the Voice platform, including SIP signaling, traffic routing, and global scalability;
• Lead the integration and customization of FreeSwitch as a core media server and softswitch platform;
• Develop robust backend services using C, Java, Python, Golang;
• Collaborate with DevOps and infrastructure teams to deploy and maintain solutions on cloud environments (AWS);
• Participate in code reviews, architectural discussions, and technical documentation;
• Investigate and resolve performance bottlenecks in real-time communication pipelines.

Required Skills & Qualifications

• Voice & SIP Expertise: In-depth knowledge of Session Initiation Protocol (SIP) and real-time communication fundamentals (RTP/RTCP, codecs, NAT traversal);
• FreeSwitch: Proven experience configuring and developing with FreeSwitch (ESL, dialplan, modules);
• Backend Development: Proficiency in high-performance languages such as Golang, C, Java or Python;
• Cloud: Familiarity with AWS services for deployment and infrastructure.

 

Posted On: 27-04-2026

At Coforge, we hire professionals based solely on their skills and do not discriminate based on age, disability, religion, gender, sexual orientation, socioeconomic status, or nationality.