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Sr. Engineer, Backend JavaScript

Comcast

Software and Technology Jobs

Sr. Engineer, Backend JavaScript

full-timePosted: Dec 8, 2025

Job Description

Sr. Engineer, Backend JavaScript

Location Philadelphia, Pennsylvania Req ID R425348 Job Type Full Time
Category Computer Engineering Date posted 12/05/2025
Apply Now
Make your mark at Comcast -- a Fortune 30 global media and technology company. From the connectivity and platforms we provide, to the content and experiences we create, we reach hundreds of millions of customers, viewers, and guests worldwide. Become part of our award-winning technology team that turns big ideas into cutting-edge products, platforms, and solutions that our customers love. We create space to innovate, and we recognize, reward, and invest in your ideas, while ensuring you can proudly bring your authentic self to the workplace. Join us. You’ll do the best work of your career right here at Comcast. (In most cases, Comcast prefers to have employees on-site collaborating unless the team has been designated as virtual due to the nature of their work. If a position is listed with both office locations and virtual offerings, Comcast may be willing to consider candidates who live greater than 100 miles from the office for the remote option.)

Job Summary

Comcast’s Technology & Product organization works at the intersection of media and technology. Our innovative teams are continually developing and delivering products that transform the customer experience. From creating apps like TVGo to new features such as the Talking Guide on the X1 platform, we work every day to make a positive impact through innovation in the pursuit of building amazing products that are enjoyable, easy to use and accessible across all platforms. The team also develops and supports our evolving network architecture, including next-generation consumer systems and technologies, infrastructure and engineering, network integration and management tools, and technical standards. Join the Comcast PULSE Engineering group. Our job is to build a robust collection of internal applications designed to support the management of various aspects of Comcast's product and service catalog. These apps play a crucial role in handling the data required for the delivery and fulfillment of products to Comcast customers. With us you will have the benefits of working for a large, public company while spending your days in a small, fast-paced team.

Job Description

Core 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

Desired Core Skills

  • Experience in server-side JavaScript (NodeJS) and Java
  • Good current knowledge of Unix/Linux environments
  • Strong understanding of RESTful Web Services and Microservices
    • Experience with Express or Fastify is a plus
  • Experience using Message Queuing services (e.g. Kafka, SQS)
  • Experience with JavaScript frameworks (e.g. Vue.js, REACT), a plus
  • 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

Desired Soft Skills

  • Demonstrates strong sense of ownership for their work
  • Works well with others
  • Quickly and accurately adopts new technology

Job Specification

  • 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

Disclaimer:

  • This information has been designed to indicate the general nature and level of work performed by employees in this role. It is not designed to contain or be interpreted as a comprehensive inventory of all duties, responsibilities and qualifications.

Comcast is an equal opportunity workplace. We will consider all qualified applicants for employment without regard to race, color, religion, age, sex, sexual orientation, gender identity, national origin, disability, veteran status, genetic information, or any other basis protected by applicable law.


Skills:

JavaScript; Java; Amazon Elastic Container Service (Amazon ECS); OAuth; Database Systems




Base pay is one part of the Total Rewards that Comcast provides to compensate and recognize employees for their work. Most sales positions are eligible for a Commission under the terms of an applicable plan, while most non-sales positions are eligible for a Bonus. Additionally, Comcast provides best-in-class Benefits to eligible employees. We believe that benefits should connect you to the support you need when it matters most, and should help you care for those who matter most. That’s why we provide an array of options, expert guidance and always-on tools, that are personalized to meet the needs of your reality – to help support you physically, financially and emotionally through the big milestones and in your everyday life. Please visit the compensation and benefits summary on our careers site for more details.


Education

Bachelor's Degree

While possessing the stated degree is preferred, Comcast also may consider applicants who hold some combination of coursework and experience, or who have extensive related professional experience.

Relevant Work Experience

7-10 Years

Apply Now

About the Role/Company

  • Comcast is a Fortune 30 global media and technology company
  • Comcast reaches hundreds of millions of customers, viewers, and guests worldwide
  • Part of an award-winning technology team that turns big ideas into cutting-edge products, platforms, and solutions
  • Innovative teams continually developing and delivering products that transform the customer experience
  • Develops and supports evolving network architecture, including next-generation consumer systems and technologies, infrastructure and engineering, network integration and management tools, and technical standards
  • Comcast PULSE Engineering group builds a robust collection of internal applications designed to support the management of various aspects of Comcast's product and service catalog
  • Comcast is an equal opportunity workplace and will consider all qualified applicants for employment without regard to race, color, religion, age, sex, sexual orientation, gender identity, national origin, disability, veteran status, genetic information, or any other basis protected by applicable law

Key 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

Required Qualifications

  • Bachelor's Degree or Equivalent in Computer Science, Software Engineering, Information Technology, or related technical field
  • + years of professional software development experience with progressive responsibility in designing, developing, and maintaining enterprise-level applications

Preferred Qualifications

  • Experience with Express or Fastify
  • Experience with JavaScript frameworks (e.g. Vue.js, REACT)
  • While possessing the stated degree is preferred, Comcast also may consider applicants who hold some combination of coursework and experience, or who have extensive related professional experience

Skills 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

Benefits & Perks

  • Eligible for a Bonus for non-sales positions
  • Best-in-class Benefits to eligible employees
  • Benefits that connect you to the support you need when it matters most
  • Array of options, expert guidance and always-on tools, personalized to meet the needs of your reality
  • Support physically, financially and emotionally through the big milestones and in your everyday life

Additional Requirements

  • This information has been designed to indicate the general nature and level of work performed by employees in this role. It is not designed to contain or be interpreted as a comprehensive inventory of all duties, responsibilities and qualifications.

Locations

  • Location Philadelphia, Pennsylvania, United States

Salary

Estimated Salary Rangemedium confidence

120,000 - 180,000 USD / yearly

Source: ai estimated

* This is an estimated range based on market data and may vary based on experience and qualifications.

Skills Required

  • Experience in server-side JavaScript (NodeJS) and Javaintermediate
  • Good current knowledge of Unix/Linux environmentsintermediate
  • Strong understanding of RESTful Web Services and Microservicesintermediate
  • Experience using Message Queuing services (e.g. Kafka, SQS)intermediate
  • Knowledge and experience with Cloud Container Management (e.g. Docker, Kubernetes)intermediate
  • Experience with AWS Services (e.g. ECS, ECR)intermediate
  • Experience with Authentication and Authorization (e.g. OAuth 2.0, JWT)intermediate
  • Experience with Database Technologies (e.g. MySQL, MongoDB)intermediate
  • Experience identifying performance bottlenecks and their root causes; analysis of application metrics, monitoring, and alarmsintermediate
  • Experience working with agile practicesintermediate
  • Demonstrates strong sense of ownership for their workintermediate
  • Works well with othersintermediate
  • Quickly and accurately adopts new technologyintermediate

Required Qualifications

  • Bachelor's Degree or Equivalent in Computer Science, Software Engineering, Information Technology, or related technical field (experience)
  • + years of professional software development experience with progressive responsibility in designing, developing, and maintaining enterprise-level applications (experience)

Preferred Qualifications

  • Experience with Express or Fastify (experience)
  • Experience with JavaScript frameworks (e.g. Vue.js, REACT) (experience)
  • While possessing the stated degree is preferred, Comcast also may consider applicants who hold some combination of coursework and experience, or who have extensive related professional experience (experience)

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

Benefits

  • general: Eligible for a Bonus for non-sales positions
  • general: Best-in-class Benefits to eligible employees
  • general: Benefits that connect you to the support you need when it matters most
  • general: Array of options, expert guidance and always-on tools, personalized to meet the needs of your reality
  • general: Support physically, financially and emotionally through the big milestones and in your everyday life

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Comcast logo

Sr. Engineer, Backend JavaScript

Comcast

Software and Technology Jobs

Sr. Engineer, Backend JavaScript

full-timePosted: Dec 8, 2025

Job Description

Sr. Engineer, Backend JavaScript

Location Philadelphia, Pennsylvania Req ID R425348 Job Type Full Time
Category Computer Engineering Date posted 12/05/2025
Apply Now
Make your mark at Comcast -- a Fortune 30 global media and technology company. From the connectivity and platforms we provide, to the content and experiences we create, we reach hundreds of millions of customers, viewers, and guests worldwide. Become part of our award-winning technology team that turns big ideas into cutting-edge products, platforms, and solutions that our customers love. We create space to innovate, and we recognize, reward, and invest in your ideas, while ensuring you can proudly bring your authentic self to the workplace. Join us. You’ll do the best work of your career right here at Comcast. (In most cases, Comcast prefers to have employees on-site collaborating unless the team has been designated as virtual due to the nature of their work. If a position is listed with both office locations and virtual offerings, Comcast may be willing to consider candidates who live greater than 100 miles from the office for the remote option.)

Job Summary

Comcast’s Technology & Product organization works at the intersection of media and technology. Our innovative teams are continually developing and delivering products that transform the customer experience. From creating apps like TVGo to new features such as the Talking Guide on the X1 platform, we work every day to make a positive impact through innovation in the pursuit of building amazing products that are enjoyable, easy to use and accessible across all platforms. The team also develops and supports our evolving network architecture, including next-generation consumer systems and technologies, infrastructure and engineering, network integration and management tools, and technical standards. Join the Comcast PULSE Engineering group. Our job is to build a robust collection of internal applications designed to support the management of various aspects of Comcast's product and service catalog. These apps play a crucial role in handling the data required for the delivery and fulfillment of products to Comcast customers. With us you will have the benefits of working for a large, public company while spending your days in a small, fast-paced team.

Job Description

Core 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

Desired Core Skills

  • Experience in server-side JavaScript (NodeJS) and Java
  • Good current knowledge of Unix/Linux environments
  • Strong understanding of RESTful Web Services and Microservices
    • Experience with Express or Fastify is a plus
  • Experience using Message Queuing services (e.g. Kafka, SQS)
  • Experience with JavaScript frameworks (e.g. Vue.js, REACT), a plus
  • 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

Desired Soft Skills

  • Demonstrates strong sense of ownership for their work
  • Works well with others
  • Quickly and accurately adopts new technology

Job Specification

  • 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

Disclaimer:

  • This information has been designed to indicate the general nature and level of work performed by employees in this role. It is not designed to contain or be interpreted as a comprehensive inventory of all duties, responsibilities and qualifications.

Comcast is an equal opportunity workplace. We will consider all qualified applicants for employment without regard to race, color, religion, age, sex, sexual orientation, gender identity, national origin, disability, veteran status, genetic information, or any other basis protected by applicable law.


Skills:

JavaScript; Java; Amazon Elastic Container Service (Amazon ECS); OAuth; Database Systems




Base pay is one part of the Total Rewards that Comcast provides to compensate and recognize employees for their work. Most sales positions are eligible for a Commission under the terms of an applicable plan, while most non-sales positions are eligible for a Bonus. Additionally, Comcast provides best-in-class Benefits to eligible employees. We believe that benefits should connect you to the support you need when it matters most, and should help you care for those who matter most. That’s why we provide an array of options, expert guidance and always-on tools, that are personalized to meet the needs of your reality – to help support you physically, financially and emotionally through the big milestones and in your everyday life. Please visit the compensation and benefits summary on our careers site for more details.


Education

Bachelor's Degree

While possessing the stated degree is preferred, Comcast also may consider applicants who hold some combination of coursework and experience, or who have extensive related professional experience.

Relevant Work Experience

7-10 Years

Apply Now

About the Role/Company

  • Comcast is a Fortune 30 global media and technology company
  • Comcast reaches hundreds of millions of customers, viewers, and guests worldwide
  • Part of an award-winning technology team that turns big ideas into cutting-edge products, platforms, and solutions
  • Innovative teams continually developing and delivering products that transform the customer experience
  • Develops and supports evolving network architecture, including next-generation consumer systems and technologies, infrastructure and engineering, network integration and management tools, and technical standards
  • Comcast PULSE Engineering group builds a robust collection of internal applications designed to support the management of various aspects of Comcast's product and service catalog
  • Comcast is an equal opportunity workplace and will consider all qualified applicants for employment without regard to race, color, religion, age, sex, sexual orientation, gender identity, national origin, disability, veteran status, genetic information, or any other basis protected by applicable law

Key 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

Required Qualifications

  • Bachelor's Degree or Equivalent in Computer Science, Software Engineering, Information Technology, or related technical field
  • + years of professional software development experience with progressive responsibility in designing, developing, and maintaining enterprise-level applications

Preferred Qualifications

  • Experience with Express or Fastify
  • Experience with JavaScript frameworks (e.g. Vue.js, REACT)
  • While possessing the stated degree is preferred, Comcast also may consider applicants who hold some combination of coursework and experience, or who have extensive related professional experience

Skills 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

Benefits & Perks

  • Eligible for a Bonus for non-sales positions
  • Best-in-class Benefits to eligible employees
  • Benefits that connect you to the support you need when it matters most
  • Array of options, expert guidance and always-on tools, personalized to meet the needs of your reality
  • Support physically, financially and emotionally through the big milestones and in your everyday life

Additional Requirements

  • This information has been designed to indicate the general nature and level of work performed by employees in this role. It is not designed to contain or be interpreted as a comprehensive inventory of all duties, responsibilities and qualifications.

Locations

  • Location Philadelphia, Pennsylvania, United States

Salary

Estimated Salary Rangemedium confidence

120,000 - 180,000 USD / yearly

Source: ai estimated

* This is an estimated range based on market data and may vary based on experience and qualifications.

Skills Required

  • Experience in server-side JavaScript (NodeJS) and Javaintermediate
  • Good current knowledge of Unix/Linux environmentsintermediate
  • Strong understanding of RESTful Web Services and Microservicesintermediate
  • Experience using Message Queuing services (e.g. Kafka, SQS)intermediate
  • Knowledge and experience with Cloud Container Management (e.g. Docker, Kubernetes)intermediate
  • Experience with AWS Services (e.g. ECS, ECR)intermediate
  • Experience with Authentication and Authorization (e.g. OAuth 2.0, JWT)intermediate
  • Experience with Database Technologies (e.g. MySQL, MongoDB)intermediate
  • Experience identifying performance bottlenecks and their root causes; analysis of application metrics, monitoring, and alarmsintermediate
  • Experience working with agile practicesintermediate
  • Demonstrates strong sense of ownership for their workintermediate
  • Works well with othersintermediate
  • Quickly and accurately adopts new technologyintermediate

Required Qualifications

  • Bachelor's Degree or Equivalent in Computer Science, Software Engineering, Information Technology, or related technical field (experience)
  • + years of professional software development experience with progressive responsibility in designing, developing, and maintaining enterprise-level applications (experience)

Preferred Qualifications

  • Experience with Express or Fastify (experience)
  • Experience with JavaScript frameworks (e.g. Vue.js, REACT) (experience)
  • While possessing the stated degree is preferred, Comcast also may consider applicants who hold some combination of coursework and experience, or who have extensive related professional experience (experience)

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

Benefits

  • general: Eligible for a Bonus for non-sales positions
  • general: Best-in-class Benefits to eligible employees
  • general: Benefits that connect you to the support you need when it matters most
  • general: Array of options, expert guidance and always-on tools, personalized to meet the needs of your reality
  • general: Support physically, financially and emotionally through the big milestones and in your everyday life

Target Your Resume for "Sr. Engineer, Backend JavaScript" , Comcast

Get personalized recommendations to optimize your resume specifically for Sr. Engineer, Backend JavaScript. Takes only 15 seconds!

AI-powered keyword optimization
Skills matching & gap analysis
Experience alignment suggestions

Check Your ATS Score for "Sr. Engineer, Backend JavaScript" , Comcast

Find out how well your resume matches this job's requirements. Get comprehensive analysis including ATS compatibility, keyword matching, skill gaps, and personalized recommendations.

ATS compatibility check
Keyword optimization analysis
Skill matching & gap identification
Format & readability score

Tags & Categories

TechnologyMediaTelecommunicationsTechnologyMedia

Answer 10 quick questions to check your fit for Sr. Engineer, Backend JavaScript @ Comcast.

Quiz Challenge
10 Questions
~2 Minutes
Instant Score

Related Books and Jobs

No related jobs found at the moment.