Software Development Engineer in Test (SDET)

Posted 2 Hours Ago
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Philadelphia, PA, USA
Hybrid
Mid level
Digital Media • Information Technology • News + Entertainment
Come to Comcast and bring connection to life.
The Role
Performs manual and automated end-to-end testing for iOS and web applications. Designs and maintains WebdriverIO automation scripts, executes functional, regression, and integration tests, reports and tracks defects, and analyzes quality results. Collaborates with developers, product managers, and cross-functional teams on test strategies, documentation, code reviews, and test planning. Supports CI/CD automation integration and continuously improves QA tools, frameworks, and processes.
Summary Generated by Built In
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
This job focuses on the creation and maintenance of automated test scripts, ensuring alignment with software engineering standards. The role requires executing tests, analyzing results, and reporting defects to enhance product quality. Key responsibilities include collaborating with developers to integrate testing strategies, crafting detailed documentation, and contributing to code reviews. The position requires staying current with test automation advancements and repairing scripts of intermediate complexity with some guidance.
Job Description
*This position is unable to provide work authorization sponsorship or immigration support now or in the future.*
Comcast's Technology + Product (T+P) organization works at the intersection of media and technology. Our innovative teams are continually developing and delivering products that transform the customer experience.
About Tech 360
Tech360 is Comcast's field technician platform - a suite of mobile (iOS) and cloud-based microservices that streamline the end-to-end technician workflow, from work order management and scheduling to equipment operations, device provisioning, field surveys, and on-site support. The platform empowers Comcast's field technicians with real-time tools for installations, appointments, security reporting, and offline-capable operations, ensuring efficient and reliable service delivery to customers.
Key Responsibilities:
  • Perform end-to-end manual testing for iOS applications and web applications ensuring high-quality deliverables
  • Design, develop, and maintain automated test scripts using WebdriverIO
  • Collaborate closely with developers, product managers, and cross-functional teams to understand requirements and define test strategies
  • Identify, log, and track defects through resolution with clear documentation
  • Participate in test planning, test case design, and execution activities
  • Ensure test coverage across functional, regression, and integration testing
  • Contribute to continuous improvement of QA processes, tools, and frameworks
  • Support automation integration into CI/CD pipelines for faster releases
  • Analyze test results and provide clear reporting on quality metrics and risks
  • Continuously improve knowledge of testing tools, frameworks, and best practices

Technical Skills - Must Have
  • 3+ years of experience in manual and automated testing for web and mobile applications
  • Strong understanding of test planning, test case design, execution, and defect management
  • Proficiency in test automation using WebdriverIO, Selenium, or similar frameworks, with basic JavaScript/TypeScript knowledge
  • Proficiency in API testing using tools such as Bruno or Postman
  • Strong analytical, debugging, and problem-solving skills
  • Excellent collaboration, communication, and attention to detail with a quality-first mindset

Technical Skills - Nice to Have
  • Experience with Playwright automation framework
  • Knowledge of mobile testing frameworks such as XCUITest or Appium
  • Experience working in Agile/Scrum environments
  • Familiarity with CI/CD pipelines and automated test integration
  • Familiarity with Git and version control best practices
  • Basic understanding of performance and security testing concepts

About Our Perks & Benefits:
We are determined to create an environment where our employees feel valued, understand our business goals, and are motivated.
Here's a look at just some of the perks and benefits we make available to our US-based employees:
  • Medical & Dental
  • 401(k) Savings Plan
  • Generous paid time off
  • Life Milestones - from adoption assistance, childcare resources, pet insurance, and more, Comcast supports you at all life stages.
  • Courtesy Services - We offer all of our full-time employees in serviceable areas free digital TV and internet.
  • Discount tickets for Universal Resorts, including theme park tickets and onsite hotel rooms.

Learn more at jobs.comcast.com/benefits
Reasonable Accommodation
We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, perform essential job functions, and receive other benefits and privileges of employment. Please contact us to request an accommodation.
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.

Job Profile: Engineer 2, SDET
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:
API Testing; Application Testing; Test Automation
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
2-5 Years

Skills Required

  • 3+ years of experience in manual and automated testing for web and mobile applications
  • Strong understanding of test planning, test case design, test execution, and defect management
  • Proficiency with WebdriverIO, Selenium, or similar test automation frameworks
  • Basic JavaScript or TypeScript knowledge
  • Proficiency in API testing using Bruno, Postman, or similar tools
  • Strong analytical, debugging, and problem-solving skills
  • Excellent collaboration, communication, attention to detail, and quality-first mindset
  • Bachelor's degree, or equivalent coursework and experience
  • Experience with Playwright
  • Knowledge of XCUITest or Appium
  • Experience in Agile or Scrum environments
  • Familiarity with CI/CD pipelines and automated test integration
  • Familiarity with Git and version control best practices
  • Basic understanding of performance and security testing concepts

What the Team is Saying

Justin
Ying
Margi
James
Jackie-Jane

Comcast Compensation & Benefits Highlights

  • Healthcare Strength Health coverage is framed as comprehensive, with company-sponsored medical, dental, and vision plans, 24/7 virtual care, mental-health support for employees and household members, and access to the Calm app. Feedback suggests this breadth of wellbeing resources is a standout element of the package.
  • Parental & Family Support Paid parental leave for primary and non-primary caregivers, fertility and family-forming benefits, adoption/surrogacy reimbursements, and backup care are prominently highlighted. These supports position the offering as family-friendly across different life stages.
  • Retirement Support A “generous 401(k) company match,” historically described with a safe-harbor-style formula, is consistently emphasized. Feedback suggests the retirement program provides meaningful long-term value, particularly for employees who participate over time.

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The Company
HQ: Philadelphia, PA
115,000 Employees
Year Founded: 1963

What We Do

Welcome to Comcast. From the connectivity and platforms we provide to the content and experiences we create, we bring people together, globally. Our people think the world of our work, and that’s why our work is the best in the world.

Why Work With Us

We believe you can achieve extraordinary things when you feel connected - to the work you do and who you do it with. From the platforms we provide to millions of people, to the content and experiences we create - we bring our customers, viewers and teammates closer together across the globe.

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Comcast Offices

Hybrid Workspace

Employees engage in a combination of remote and on-site work.

Typical time on-site: 4 days a week
HQComcast Center
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Learn more

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