Baxter International

Principal Software Engineer, Audio & Video Infrastructure

Baxter International$120K — $165K *
Telecommunications & Hardware
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • 5+ years of experience in real-time voice and video communication systems.
  • Hands-on expertise with SIP and telecommunications protocols.
  • Experience building and operating VoIP platforms in production.
  • Production-level experience with Kamailio or FreeSWITCH.
  • Development experience with .NET or Node.js/TypeScript.
  • Ability to troubleshoot complex media delivery challenges.

Responsibilities

  • Architect and evolve audio and video communication infrastructure.
  • Design and operate SIP routing platforms for real-time communications.
  • Scale and optimize media servers and SBCs for reliability.
  • Build intelligent low-latency call routing solutions.
  • Integrate voice and video capabilities into modern applications.
  • Resolve complex real-time communication challenges.
  • Establish engineering best practices for voice and video infrastructure.

Benefits

  • Comprehensive medical and dental coverage starting on day one.
  • Employee Stock Purchase Plan with discounted stock purchases.
  • 401(k) Retirement Savings Plan with company matching.
  • Flexible Spending Accounts and educational assistance.
  • Paid time off ranging from 20 to 35 days based on service.
  • Employee Assistance Program and childcare benefits.
Full Job Description

Your Role at Baxter

This is where your work saves lives

We're seeking a Principal 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.

What You'll be doing

As a technical leader, you will:

  • 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.

What you'll bring
  • 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.

Preferred Qualifications
  • 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.

Why Join Us?
  • Own and influence the communication platform strategy behind innovative Connected Care products.

  • Work on technologies that directly impact clinicians, caregivers, and patients around the world.

  • Tackle complex engineering challenges within real-time communications, networking, and distributed systems.

  • Collaborate with talented cross-functional teams driving the next generation of healthcare technology.

  • Make a meaningful impact while growing your technical leadership as a Principal Engineer.

If you're passionate about building world-class voice and video communication systems and want your work to improve healthcare experiences at scale, we'd love to hear from you.

Baxter is committed to supporting the needs for flexibility in the workplace. We do so through our flexible workplace policy which includes a minimum of 3 days a week onsite. This policy provides the benefits of connecting and collaborating in-person in support of our Mission.

We understand compensation is an important factor as you consider the next step in your career. At Baxter, we are committed to equitable pay for all employees, and we strive to be more transparent with our pay practices. The estimated base salary for this position is $120,000 to $165,000 annually. The estimated range is meant to reflect an anticipated salary range for the position. We may pay more or less than of the anticipated range based upon market data and other factors, all of which are subject to change. Individual pay is based on upon location, skills and expertise, experience, and other relevant factors. This position may also be eligible for discretionary bonuses. For questions about this, our pay philosophy, and available benefits, please speak to the recruiter if you decide to apply and are selected for an interview.

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.

#LI-MS1

US Benefits at Baxter (except for Puerto Rico)

This is where your well-being matters. Baxter offers comprehensive compensation and benefits packages for eligible roles. Our health and well-being benefits include medical and dental coverage that start on day one, as well as insurance coverage for basic life, accident, short-term and long-term disability, and business travel accident insurance. Financial and retirement benefits include the Employee Stock Purchase Plan (ESPP), with the ability to purchase company stock at a discount, and the 401(k) Retirement Savings Plan (RSP), with options for employee contributions and company matching. We also offer Flexible Spending Accounts, educational assistance programs, and time-off benefits such as paid holidays, paid time off ranging from 20 to 35 days based on length of service, family and medical leaves of absence, and paid parental leave. Additional benefits include commuting benefits, the Employee Discount Program, the Employee Assistance Program (EAP), and childcare benefits. Join us and enjoy the competitive compensation and benefits we offer to our employees. For additional information regarding Baxter US Benefits, please speak with your recruiter or visit our Benefits site:

About Baxter International

Baxter International Careers

Joining Baxter International means becoming part of a global team dedicated to transforming the future of healthcare. With a focus on innovation and leadership, Baxter offers unparalleled job opportunities in the medical technology industry. Work You’ll Do At Baxter, you will collaborate with some of the brightest minds in the industry to address some of the most challenging healthcare needs. Our commitment to enhancing healthcare through cutting-edge technology makes us a leader in our field. Transform your career and the future of healthcare with Baxter’s diverse team. Our culture of inclusion and diversity training ensures that every team member can thrive. Baxter is at the forefront of medical innovation, providing a platform for professional growth and development in a dynamic industry. Lead with Baxter’s Leadership Development Programs, designed to foster the next generation of industry leaders. Our programs are tailored to enhance your leadership skills and prepare you for progressive roles within our company. Work with a global team that values collaboration and innovation. At Baxter, you will find a supportive network that encourages career advancement and skill enhancement through continuous learning and professional development. Introducing Baxter International’s Career Growth Opportunities We are committed to offering a range of career paths that help our employees achieve their professional and personal goals. Baxter’s job opportunities span across various functions and regions, ensuring that you can find the perfect match for your skills and ambitions. Do Innovative Work Join Baxter International, a company known for its leadership in healthcare innovation. Our team is dedicated to developing solutions that improve patient outcomes and enhance the efficiency of healthcare providers worldwide. Be Part of a Great Team Baxter’s culture is built on collaboration, respect, and a commitment to excellence. We believe in the power of our people and invest in their growth through comprehensive benefits, competitive internship programs, and opportunities for networking and career development. Future-Proof Your Career Advance your career with Baxter International, where innovation meets opportunity. Our supportive environment is designed to nurture your professional growth, with resources like targeted training programs and access to global opportunities. Explore Discover how Baxter is leading the way in sustainable healthcare solutions and improving patient care across the globe. The Baxter International Difference Our combined expertise in medical devices and pharmaceuticals positions us uniquely in the market. Baxter’s commitment to innovation, diversity, and leadership helps our clients and partners excel in the rapidly evolving healthcare landscape. Stay Connected Join Our Team Search open positions that match your skills and interests. We are looking for passionate, curious, and solution-driven team players who are ready to make a difference. SEARCH BAXTER JOBS Keep Up to Date Stay ahead with career tips, insider perspectives, and industry-leading insights you can put to use today—all from the people who work here. READ CAREERS BLOG Job Alert Emails Personalize your subscription to receive job alerts, latest news, and insider tips tailored to your preferences. Explore the exciting and rewarding opportunities that await at Baxter International.
Learn more about Baxter International
Size
60,000 employees
Market Cap
$25.6 billion
Industry
Net Income
$1.1 billion
Founded
1931
5 Year Trend
+4.7%
Revenue
$11.6 billion
NASDAQ

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