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About this role
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.
Tech stack
AWSJavaPythonGo