Principal Software Engineer - VolP

Baxter • Raleigh, NC

5d • Hybrid

About The Position

This is where your work makes a difference. At Baxter, we believe every person—regardless of who they are or where they are from—deserves a chance to live a healthy life. It was our founding belief in 1931 and continues to be our guiding principle. We are redefining healthcare delivery to make a greater impact today, tomorrow, and beyond. Our Baxter colleagues are united by our Mission to Save and Sustain Lives. Together, our community is driven by a culture of courage, trust, and collaboration. Every individual is empowered to take ownership and make a meaningful impact. We strive for efficient and effective operations, and we hold each other accountable for delivering exceptional results. Here, you will find more than just a job—you will find purpose and pride. Your Role at Baxter This is where your work saves lives We're seeking a Principal (Senior) Software Engineer to lead the architecture and evolution of the audio and video communication infrastructure powering our Connected Care products. In this highly visible role, you'll own mission-critical systems that enable seamless, real-time communication experiences for healthcare professionals, patients, and caregivers. This is more than a telecom engineering role—it's an opportunity to build scalable, high-performance communication platforms that directly support better healthcare outcomes. You'll leverage deep expertise in VoIP, SIP, and real-time media technologies to deliver highly available, ultra-low latency solutions while helping shape the future of connected healthcare.

Requirements

• 5+ years of experience developing and supporting real-time voice and video communication systems.
• Deep hands-on expertise with SIP and related telecommunications protocols.
• Strong experience building and operating VoIP platforms in production environments.
• Production-level experience with Kamailio or FreeSWITCH.
• Experience developing backend services using .NET or Node.js/TypeScript.
• Ability to troubleshoot complex network, signaling, and media delivery challenges.

Nice To Haves

• Experience developing call-routing logic and automation using LUA.
• Hands-on experience with WebRTC, STUN/TURN, and browser-based audio/video communications.
• Familiarity with Asterisk platforms and deployments.
• Strong ANSI C knowledge for low-level debugging, media processing, and infrastructure optimization.
• Advanced proficiency with Node.js and TypeScript.

Responsibilities

• Architect and evolve the core audio and video communication infrastructure that powers our Connected Care ecosystem.
• Design and operate highly available SIP routing platforms supporting real-time communications at scale.
• Scale and optimize media servers, Session Border Controllers (SBCs), and signaling environments to ensure exceptional reliability and performance.
• Build intelligent, low-latency call routing solutions that deliver seamless communication experiences.
• Partner with software engineering teams to integrate voice and video capabilities into modern applications and services.
• Investigate and resolve complex real-time communication challenges, including media quality issues, packet loss, latency, and network performance.
• Drive technical strategy and establish engineering best practices for voice and video infrastructure.
• Mentor engineers across the organization and serve as a subject matter expert in telecom and real-time communications technologies.

Benefits

• Medical and dental coverage that start on day one
• Insurance coverage for basic life, accident, short-term and long-term disability, and business travel accident insurance
• Employee Stock Purchase Plan (ESPP), with the ability to purchase company stock at a discount
• 401(k) Retirement Savings Plan (RSP), with options for employee contributions and company matching
• Flexible Spending Accounts
• Educational assistance programs
• Paid holidays
• Paid time off ranging from 20 to 35 days based on length of service
• Family and medical leaves of absence
• Paid parental leave
• Commuting benefits
• Employee Discount Program
• Employee Assistance Program (EAP)
• Childcare benefits

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: No Education Listed