Comcast · 2 hours ago
Sr. Engineer, Backend JavaScript
Philadelphia, PA
Full-time
Hybrid
Senior Level
7+ years expComcast is a Fortune 30 global media and technology company seeking a Senior Engineer for their Backend JavaScript team. The role involves developing and maintaining internal applications that support Comcast's product and service catalog, focusing on data processing and technology component design.
InternetTelecommunicationsTVVideoWeb Hosting
Responsibilities
Daily routine: standup, Write Code, Submit and Review Pull Requests, Deploy Code, and Fix Defects
Design, selection, implementation, and documentation of core technology components
Development of custom applications using internal software frameworks
Development and customization of data mining and statistical techniques for operation on large datasets
Update, optimize, and administer large-scale data processing routines
Solution proposal/analysis and technical debt cleanup
Qualification
Required
Experience in server-side JavaScript (NodeJS) and Java
Good current knowledge of Unix/Linux environments
Strong understanding of RESTful Web Services and Microservices
Experience using Message Queuing services (e.g. Kafka, SQS)
Knowledge and experience with Cloud Container Management (e.g. Docker, Kubernetes)
Experience with AWS Services (e.g. ECS, ECR)
Experience with Authentication and Authorization (e.g. OAuth 2.0, JWT)
Experience with Database Technologies (e.g. MySQL, MongoDB)
Experience identifying performance bottlenecks and their root causes; analysis of application metrics, monitoring, and alarms
Experience working with agile practices
Demonstrates strong sense of ownership for their work
Works well with others
Quickly and accurately adopts new technology
Bachelor's Degree or Equivalent in Computer Science, Software Engineering, Information Technology, or related technical field
7+ years of professional software development experience with progressive responsibility in designing, developing, and maintaining enterprise-level applications
Preferred
Experience with Express or Fastify is a plus
Experience with JavaScript frameworks (e.g. Vue.js, REACT), a plus
Benefits
Best-in-class Benefits
Company
Comcast
Comcast is a media and technology company that provides broadband internet, mobile services, and entertainment platforms. It is a sub-organization of SkyShowtime.
10001+ employees
H1B Sponsorship
Comcast has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (705)
2024 (561)
2023 (624)
2022 (750)
2021 (588)
2020 (583)
Funding
Current Stage
Public CompanyTotal Funding
$4.92BKey Investors
California Public Utilities CommissionMassachussetts Broadband InstituteMaine Connectivity Authority
2025-11-13Grant· $3.2M
2024-07-02Grant· $2.69M
2023-04-24Grant· $0.28M
Leadership Team
Neil Smit
President and Chief Executive Officer
Candy Lawson
SVP, Chief Compliance Officer and Senior Deputy General Counsel
Recent News
2025-12-26
Sports Business Journal
2025-12-25
Company data provided by crunchbase