Principal Software Engineer - VolP
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.
- Applicants must be authorized to work for any employer in the U.S. We are unable to sponsor or take over sponsorship of an employment visa at this time.
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
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What This Job Offers
Job Type
Full-time
Career Level
Principal
Education Level
No Education Listed
