Senior Voice Engineer

At Staffworxs, we don't just connect talent — we power transformation. Headquartered in Frisco, TX, with teams in Bengaluru and Hyderabad, we combine global reach with deep expertise. Our Digital & Data Analytics practice drives growth and innovation for some of the world's top brands, who continue to retain us as their trusted partner. If you're ready to make an impact, you're in the right place. Job Details: Job Title: Principal Voice Platform Engineer/Architect Location: Remote Duration: Long Term Job Description: We are seeking a Principal Voice Platform Engineer/Architect to lead enterprise-scale Twilio-based telephony architecture for healthcare communication platforms. This is a senior SME role responsible for defining scalable, reliable, and compliant voice solutions for migration from legacy systems (Genesys, Cisco, Avaya) to cloud-native architectures. Key Responsibilities: • Architect end-to-end Twilio Voice solutions (Studio, TwiML, Webhooks, TaskRouter) • Define scalable IVR architectures (DTMF, ASR, call routing, failover, multi-tenant design) • Lead architecture governance, design standards, and technical reviews • Build and guide .NET (C# / ASP.NET Core) backend services for voice APIs • Ensure high availability, performance, and HIPAA-compliant implementations • Mentor engineering teams and engage with client stakeholders Required Skills: • Strong experience with Twilio Voice, Studio Flows, TwiML, Webhooks, TaskRouter • Expertise in .NET Core, C#, REST APIs, Redis • Hands-on experience with IVR systems, SIP, carrier integrations, and call flows • Experience in telephony migration from legacy platforms • Knowledge of AWS (S3, CloudFront) and distributed systems • Healthcare domain experience with HIPAA compliance Nice to Have: • Twilio Flex, Voice Intelligence, Event Streams • Experience with large-scale number porting and call flow testing • Background in consulting/client-facing architecture roles Staffworxs is an Equal Opportunity Employer. We celebrate diversity and are committed to creating an inclusive workplace for all employees, regardless of race, color, religion, gender, sexual orientation, national origin, age, disability, or veteran status.