FUTURE OPENING - Senior Real-Time/ Telephony Engineer

SignWow is a Deaf-led accessibility technology company dedicated to bridging communication gaps between Deaf, Hard of Hearing, and hearing communities.

Our mission is to bridge communication gaps and expand access, inclusion, and advocacy across the United States by delivering exceptional remote and on-demand sign language interpreting and Deaf-led communication access solutions powered by modern technology.

Our vision is a future where Deaf, Hard of Hearing, and hearing individuals communicate effortlessly through inclusive sign language services, next-generation platforms, and a nationwide ecosystem that supports accessibility in workplaces, healthcare, education, government, and communities.

SignWow provides communication solutions including Video Remote Interpreting (VRI), scheduled interpreting services, accessibility technology, community training, and advocacy-driven support services.

Job Title: Senior Real-Time/ Telephony Engineer
Salary: $130 - $225k
Location: Remote, USA
Reports to: Chief Technology Officer

Closing Date: N/A

We reserve the right to close this vacancy early if we receive sufficient applications for the role. Therefore, if you are interested, please submit your application as early as possible.

Role Overview

The Senior Real-Time / Telephony Engineer will lead the call path end to end. This role will work across video, voice, signaling, and carrier integration, and will be our deep specialist for SIP, WebRTC, media interop, and emergency calling. As we operate across multiple regions locally and globally, you will become the senior escalation point for call-path and media incidents wherever they happen.

Key Responsibilities

• Manage SIP integration with carrier partners, including trunk configuration and call routing logic.
• Lead WebRTC media end to end: signaling, ICE/STUN/TURN, codec negotiation, and interop between WebRTC and SIP endpoints.
• Support number provisioning, porting, and lifecycle management across regions.
• Implement and test emergency-calling workflows, including E911/NG911 in North America and equivalent routing in other regions.
• Monitor and troubleshoot call quality, including jitter, packet loss, and latency.
• Serve as Tier 3 escalation for live call-path and media incidents as part of an on-call rotation.
• Navigate telephony and regulatory differences across SignWow operating regions.

Skills & Experience Required - Essential

• Strong VoIP fundamentals: SIP, RTP, SDP, and real-time signaling.
• Hands-on WebRTC experience, including media servers and connectivity (ICE/STUN/TURN).
• Experience integrating carrier or SIP-trunk providers in production.
• Comfortable debugging live calls with packet captures, for example Wireshark.
• Uses AI tools to work faster while retaining responsibility for design, architecture, and judgment calls.
• Comfortable carrying a pager and leading incident response on an always-on service.

Skills & Experience Required - Desirable

• Emergency-calling experience, such as E911/NG911 or international equivalents.
• Number porting and provisioning at scale.
• Experience running self-hosted real-time media infrastructure.
• Multi-region or multi-carrier telecom exposure.
• American Sign Language (ASL) knowledge is a strong plus.

Our Stack

• WebRTC and self-hosted real-time media infrastructure.
• SIP and telephony through specialist carrier partners.
• TypeScript / Node ecosystem.
• PostgreSQL, Redis, websocket, and event-driven services.
• Cloud infrastructure, containers, infrastructure-as-code, and CI/CD.
• Async-first workflow with GitHub, Linear, Slack, and Notion.

What We Offer

• Build the reliability foundation of a mission-driven accessibility service from the ground up.
• Real responsibility and direct work with the founders, without bureaucracy layers.
• Flexible, results-focused remote work.
• Join a Deaf-led company making everyday communication more accessible.

The anticipated annual base salary range for this position is $130,000 to $225,000. The final base salary will be determined based on the selected candidate’s relevant experience, technical depth, specialized expertise, qualifications, and expected scope of responsibility, as well as internal compensation considerations.

This is a full-time, exempt position. The role may require flexibility to support urgent service requests and changing scheduling needs.

This position is primarily remote and open to candidates residing in U.S. states in which SignWow is authorized to employ personnel. Occasional travel or in-person meetings may be required. This role is also eligible for medical, dental, and vision coverage, paid time off, paid holidays, a 401(k), and other company-sponsored benefits.

Employment in this position may be contingent upon successful completion of a criminal background check and any additional screening required for work involving regulated telecommunications services or public-sector clients, including work performed in connection with SignWow Global operations.

Diversity and Inclusion Statement

SignWow is an Equal Opportunities Employer. The company is committed to equal employment opportunities regardless of age, sexual orientation, gender, pregnancy, religion, nationality, ethnic origin, disability, medical history, skin colour, marital status, genetic information or parental status. We base all our employment decisions on merit, job requirements and business needs.