Software Engineer (Eng3), Experimentation Platform

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

We are seeking a highly skilled and collaborative Engineer 3 to join our team focused on building and scaling our experimentation platform. In this role, you will design and maintain core services that enable experimentation at scale, integrating with feature flagging, segmentation, and data systems. You’ll work closely with product, data science, and engineering teams to deliver reliable, high-performance solutions that drive innovation and decision-making.

As a mid-level engineer, you will contribute to the technical direction of the platform, participate in architecture discussions, and help ensure operational excellence through incident response and continuous improvement.

Job Description

About Us
At DevX, we’re on a mission to transform the developer experience. Our team builds the foundational tools and services that empower developers to create, deploy, and manage applications efficiently and with confidence. We focus on scalability, reliability, and innovation—so developers can focus on building what matters.
 

About the Team
The SE team owns and evolves the Experimentation Platform, among other central platforms, enabling teams across the company to make data-informed decisions with speed and precision. Our platform integrates with feature flagging, cohort segmentation, and analytics systems to support experimentation at scale, ensuring that developers, product managers, and data scientists can test, learn, and iterate rapidly.
 

• What You’ll Do
•  As a Software Engineer on the Experimentation Platform team, you will:
• Design, build, and maintain core services that power experimentation at scale.
• Develop integrations with feature flagging, segmentation, and data systems.
• Ensure reliability, performance, and scalability of the experimentation platform.
• Collaborate with product, data science, and engineering teams to understand their needs and deliver impactful solutions.
• Contribute to technical direction, best practices, and documentation for the platform.
• Participate in code reviews, architecture discussions, and incident response to ensure platform excellence. 

What We’re Looking For

• Proficient in software engineering with expertise in the following languages: Go, TS Fullstack, and Python..
• Experience developing distributed systems, backend services, or developer platforms using cloud technologies.
• Familiarity with experimentation, feature flagging, or A/B testing systems (a plus).
• Understanding of APIs, event-driven systems, and data pipelines.
• Commitment to writing clean, maintainable, and testable code.
• Strong collaboration and communication skills.

Why Join Us

• Work on a high-impact platform used by developers and product teams across the organization.
• Be part of a team that values innovation, learning, and empowering developers.
• Tackle exciting technical challenges at scale, from distributed systems to data-driven decision-making.
• Join a culture that invests in growth, collaboration, and developer experience.

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.
 

Skills

AWS Devops, Containerization, DevOps, Experimentation, Infrastructure As Code (IaC), Python (Programming Language), TypeScript

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 benefits summary on our careers site for more details.

Education

Bachelor's Degree (Required)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.

Certifications (If Applicable)

Relevant Work Experience

5-7 YearsComcast 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.