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Sr. Software Engineer, JavaScript

NBCUniversal
Universal City, United Statesfull_timeVerifiedPosted 5 Jan 2026
💰 $160,000/yr($110,000/yr$160,000/yr)

About the role

Company Description

NBCUniversal is one of the world's leading media and entertainment companies. We create world-class content, which we distribute across our portfolio of film, television, and streaming, and bring to life through our theme parks and consumer experiences. We own and operate leading entertainment and news brands, including NBC, NBC News, MSNBC, CNBC, NBC Sports, Telemundo, NBC Local Stations, Bravo, USA Network, and Peacock, our premium ad-supported streaming service. We produce and distribute premier filmed entertainment and programming through Universal Filmed Entertainment Group and Universal Studio Group, and have world-renowned theme parks and attractions through Universal Destinations & Experiences. NBCUniversal is a subsidiary of Comcast Corporation.

Our impact is rooted in improving the communities where our employees, customers, and audiences live and work. We have a rich tradition of giving back and ensuring our employees have the opportunity to serve their communities. We champion an inclusive culture and strive to attract and develop a talented workforce to create and deliver a wide range of content reflecting our world.

Comcast NBCUniversal has announced its intent to create a new publicly traded company ('Versant') comprised of most of NBCUniversal's cable television networks, including USA Network, CNBC, MSNBC, Oxygen, E!, SYFY and Golf Channel along with complementary digital assets Fandango, Rotten Tomatoes, GolfNow, GolfPass, and SportsEngine. The well-capitalized company will have significant scale as a pure-play set of assets anchored by leading news, sports and entertainment content. The spin-off is expected to be completed during 2025.

Job Description

Our Media Group portfolio is a powerhouse collection of consumer-first brands, supported by media industry leaders, Comcast, NBCUniversal and Sky. When you join our team, you’ll work across our dynamic portfolio including Peacock, NOW, SkyShowtime, Showmax, and TV Everywhere, powering streaming across more than 70 countries globally. And the evolution doesn’t stop there. With unequalled scale, our teams make the most out of every opportunity to collaborate and learn from one another. We’re always looking for ways to innovate faster, accelerate our growth and consistently offer the very best in consumer experience. But most of all, we’re backed by a culture of respect. We embrace authenticity and inspire people to thrive.

What the team does

  • Creates and maintains performant HTML5 based features   
  • Constantly improving performance against KPI’s to give the user the best possible experience
  • Collaborates with product and other internal teams to drive innovation and improvements
  • Explores new technology, pushing the quality and speed capabilities of the systems, running POCs, and balancing innovation with stability
  • Supports major consumer-facing live events, including Olympics and the Super Bowl

Responsibilities

Application Maintenance and Enhancement:

  • Regularly maintain and improve the existing codebase to ensure optimal performance and reliability.
  • Debug and resolve complex issues, providing solutions to minimize downtime and enhance user experience.

Feature Development:

  • Collaborate with the product team to design and develop new features, enhancements, and improvements.
  • Implement front-end functionality using JavaScript/TypeScript, HTML, CSS, and related technologies.

Architectural Design and Optimization:

  • Evaluate the current application architecture and propose and implement improvements for scalability, maintainability, and efficiency.
  • Make informed decisions regarding the selection of frameworks, libraries, and tools to support development efforts.

Code Quality and Best Practices:

  • Enforce coding standards and best practices, including code reviews, testing, and documentation, to maintain a high-quality codebase.
  • Mentor and guide junior developers in the team, fostering a culture of continuous improvement.

Performance Optimization:

  • Identify performance bottlenecks and optimize code and resources to ensure the application's responsiveness and efficiency.

Cross-functional Collaboration:

  • Collaborate closely with cross-functional teams, including product managers, designers, and QA engineers, to deliver high-quality software solutions.

Technical Research:

  • Stay up-to-date with industry trends, emerging technologies, and best practices in web development, and apply them to the project when appropriate.

Qualifications

  • Proven experience as an experienced Software Engineer

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Company

NBCUniversal

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