At **Nuxiba Technologies**, we are a leading company in software development and telecommunications solutions, committed to innovation and excellence. We are passionate about working as a team to overcome challenges and create technologies that transform our customers' experiences. Join our team as a **Senior Telephony Applications Developer!** **What profile are we looking for?** * Degree in Computer Engineering, Telecommunications, Electronics or related field (certified or equivalent through relevant experience). * 3 years of experience developing telephony solutions with FreeSWITCH or Asterisk * Previous experience with SIP and SMPP protocols * Development with C\# in Linux environments and WebRTC configurations * Integration of telephony and messaging APIs * Automated testing and version control * Agile methodologies **What are the responsibilities?** * Develop and deploy telephony applications on platforms such as FreeSWITCH and Asterisk. * Design and integrate solutions using SIP and SMPP protocols. * Program in C\# and C\+\+ on Linux environments, ensuring efficiency, maintainability, and performance * Configuration in WebRTC. * Diagnose and resolve incidents in production telephony services. * Participate in code reviews, unit testing, and integration testing. * Document developed solutions and collaborate with infrastructure and technical support teams **What do we offer?** * Competitive salary according to experience * Monday to Friday from 9\-6 pm with a hybrid work schedule * Statutory and additional benefits * Grocery vouchers * 30% year-end bonus * 30% vacation bonus * Training and development program * Work location: Col. Narvarte *Good luck with your application.* Job type: Full-time, Indefinite duration Salary: $30,000\.00 \- $35,000\.00 per month Benefits: * Grocery vouchers Application questions: * How long have you been developing telephony solutions? * Have you worked with FreeSwitch and Asterisk? * Experience in SMS protocol architecture Work location: hybrid remote in 03100, Del Valle Centro, CDMX