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Sr. Software Engineer with React Native - Xumo

United States, Philadelphia 111013.65 - 205580.83 USD / Year · Job Posted April 23, 2026
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Job Description

Make your mark at Comcast -- a Fortune 30 global media and technology company. Become part of our award-winning, international engineering 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. You’ll do the best work of your career right here.

Job Responsibility

  • Collaborates with project stakeholders to identify product and technical requirements
  • Conducts analysis to determine integration needs
  • Designs new software and web applications, supports applications under development and customizes current applications
  • Develops software update process for existing applications
  • Assists in the roll-out of software releases
  • Trains junior Software Development Engineers on internally developed software applications
  • Oversees the researching, writing and editing of documentation and technical requirements, including evaluation plans, test results, technical manuals and formal recommendations and reports
  • Keeps current with technological developments within the industry
  • Monitors and evaluates competitive applications and products
  • Reviews literature, patents and current practices relevant to the solution of assigned projects
  • Provides technical leadership throughout the design process and guidance with regards to practices, procedures and techniques
  • Serves as a guide and mentor for junior level Software Development Engineers
  • Assists in tracking and evaluating performance metrics
  • Ensures team delivers software on time, to specification and within budget
  • Works with Quality Assurance team to determine if applications fit specification and technical requirements
  • Displays expertise in knowledge of engineering methodologies, concepts and skills and their application in the area of specified engineering specialty
  • Displays expertise in process design and redesign skills
  • Presents and defends architectural, design and technical choices to internal audiences
  • Consistent exercise of independent judgment and discretion in matters of significance
  • Regular, consistent and punctual attendance
  • Must be able to work nights and weekends, variable schedule(s) and overtime as necessary
  • Other duties and responsibilities as assigned

Requirements

  • 5+ Years of Professional experience working in a large-scale enterprise system
  • experience with Web Technologies such as JavaScript ES6+, React Native, Node.js
  • Mobile development experience is a plus
  • Experience with Video technologies such HLS, MP4, Mpeg-Dash is a plus
  • Experience with Video content protection technologies such as Widevine, PlayReady, FairPlay is a plus

Nice to have

  • Mobile development experience
  • Experience with Video technologies such HLS, MP4, Mpeg-Dash
  • Experience with Video content protection technologies such as Widevine, PlayReady, FairPlay

What we offer

  • Paid Time off
  • Physical Wellbeing
  • Financial Wellbeing
  • Emotional Wellbeing
  • Life Events + Family Support

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