• Senior SDET Engineer

    ComcastPhiladelphia, PA 19133

    Job #1417435695

  • Job Summary

    Responsible for validating product quality by analyzing and testing the quality of the code base. Focuses on writing code that will be executed in an automated and repeatable fashion which will reduce manual testing efforts and increase code quality and consistency. Develops and maintains code that validates front-end, middleware and database systems, using the latest tools and programming languages. Provides input into various software development lifecycle stages. Partners with software engineers to write efficient automation code using coding standards and best practices. Reports test execution results to senior leadership. Repairs complex broken automation scripts and performs peer reviews of automation codebase. Integrates knowledge of business and functional priorities. Acts as a key contributor in a complex and crucial environment. May lead teams or projects and shares expertise.

    Job Description

    Comcast's X1:Engineering group is looking for a passionate Senior Software Development Engineer in Test(SDET 4) to help build automated functional and efficient performance tests for our APIs that drive the Video entertainment applications in Comcast. This role will primarily be responsible for building the automation test framework to be used by the QA team, adhering to the quality standards set forth by the wider organization and recommending/implementing improvements where necessary, and closely collaborating with the Product and Development teams in Philadelphia/London offices. The ideal candidate will have a strong interest in helping validate API services that power the X1 video experience on various platforms such as X1 Set top box, iOS, Android, Web, Roku and Smart TV for millions of customers.

    Core Responsibilities:

    • Build and maintain an automation test framework using API automation testing tools such as Karate, REST-Assured etc. to be used for validating various REST API based services

    • Write automated test scripts to test new features and bug fixes

    • Lead a small team of Engineers and delegate incoming testing tasks for an application release cycle

    • Mentor the team by providing technical guidance helping them create efficient and optimized automated test scripts

    • Perform reviews for test cases and test scripts written by other Engineers in the team

    • Work with the Dev and Product teams to understand and contribute to requirements and test cases for new features

    • Develop mock scripts to test error handling and resiliency of the APIs

    • Develop and review executable Java/Python methods at unit and integration layers

    • Effectively triage, prioritize, and test fixes for bugs found during development cycles

    • Automate and execute performance scripts to measure speed and reliability of the APIs

    • Benchmark and recommend improvements to API performance across services

    • Frequently review customer feedback and ratings for potential defects, areas for improvement, or positive sentiments of a release/feature

    Attributes for Success:

    • BS/MS degree in Computer Science, Engineering or a related subject

    • 9+ years of professional experience in Software QA and API Automation

    • 4-5 years of experience using industry standard API tools such as Karate, REST-Assured, Behave, Soap, Postman etc.

    • Proficiency in modern programming languages such as Java or Python

    • Strong experience with GIT Version Control System

    • High regard for test case maintainability

    • A strong sense of ownership and responsibility for code quality that follows best practices

    • Performance testing experience using LoadRunner, Jmeter, k6 etc.

    • Proven experience testing and automating REST API services

    • 2+ years of experience working with Continuous Integration and build tools such as Maven, Jenkins or Concourse

    • Adaptable, takes ownership, committed to deadlines and willingness to work in a fast-paced environment

    • A passionate team player with willingness to mentor other software engineers

    • Must have excellent interpersonal and communications skills


    • 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 EOE/Veterans/Disabled/LGBT employer.


    Bachelor's Degree

    Relevant Work Experience

    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. 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.