Comcast

Sr. Backend Engineer - Xumo

Comcast$141K — $189K *
Consumer Technology
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • 5+ years of backend server development experience using Java
  • 5+ years of creating web service APIs (REST/SOAP) and working with HTTP/SSL
  • 5+ years of database operations experience with MySQL, PostgreSQL, Oracle, or MongoDB
  • 5+ years of experience with Linux-based operating systems (CentOS, OSX)
  • Strong skills in developing microservices using Docker on Kubernetes
  • Experience with cloud environments such as Google Cloud and AWS
  • Ability to independently solve problems and deliver high-quality output

Responsibilities

  • Develop backend systems for video streaming services, ensuring seamless integration with API servers
  • Design data workflows and system architectures for effective video content delivery
  • Collaborate with cross-functional teams to gather and analyze technical requirements
  • Create automation and monitoring solutions for backend services
  • Optimize backend functionality by making informed architectural decisions

Benefits

  • Comprehensive health and wellness benefits
  • Personalized support tools for physical, financial, and emotional well-being
  • Bonus eligibility for most non-sales positions
  • Flexible working arrangement with 4 days on-site and 1 day remote
Full Job Description
Job Summary
We are seeking an experienced Senior Backend Engineer to lead the design, development, and integration of backend systems for our cutting-edge video streaming platform.

As a Senior Backend Engineer on the Xumo Software Engineering Team, you will play a key role in building and optimizing the backend infrastructure that powers our video streaming services. This includes handling and processing video content from various content partners to ensure seamless delivery of high-quality video streams to millions of viewers across streaming devices.

Job Description

The ideal candidate will possess deep expertise in backend server development, particularly in video streaming technologies, and a strong ability to design technical solutions that meet business requirements. Collaboration with product and operations teams to ensure the platform's performance, scalability, and reliability will be critical to your success in this role.

Responsible for designing, developing, implementing and analyzing product specifications for application programming interface and data layers across a wide range of software products and platforms. Within a squad of developers, a backend engineer will be a technical expert on several features, application programming interfaces, and practices. Works closely with product owners and work with developers across multiple teams within the same domain. 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.
  • Position is office based in Irvine, CA or Philadelphia, PA,- 4 days on-site & 1 day remote.


Java Application Development for Video Streaming Backend Systems
  • Develop backend systems for video streaming that deliver video streams and metadata, enabling seamless communication between API servers and client applications using formats like JSON, RSS, and HLS.
  • Build and enhance recommendation pipelines to deliver personalized content recommendations, including data pipeline ETL processes for the video streaming platform.
  • Design data workflows, system architecture, database schemas, and error-handling mechanisms to ensure reliable delivery of video streams, metadata, and recommendations.
  • Utilize cloud environments such as Google Cloud and AWS to deploy and manage backend services, leveraging Kubernetes and cloud-managed databases.
  • Create test cases, conduct thorough verifications, and document system specifications for quality assurance and scalability.


Lead Architecture, Design, and Development of Video Streaming Backend Systems
  • Collaborate with product and operations teams to gather requirements for feature updates and new functionalities, creating comprehensive technical documentation, including diagrams, to guide implementation.
  • Work with cross-functional teams to conceptualize and prototype new features, translating business and product needs into scalable and maintainable backend solutions.
  • Develop robust backend pipelines for video ingestion, content scheduling, and video catalog exports to support a high-quality streaming experience.


Plan and Manage Backend Development for Video Streaming
  • Coordinate with server and client teams to define and prioritize development requirements, ensuring alignment on the best approaches for scalability, performance, and maintainability.
  • Drive decisions on technical solutions and feature enhancements to extend backend functionality, optimize reusable components, and improve system performance.


Qualifications

  • 5+ years' experience of building backend servers (Java)
  • 5+ years' experience of building web service APIs (REST/SOAP) and HTTP/SSL protocol
  • 5+ years' experience of operating database (MySQL, PostgreSQL, Oracle, MongoDB)
  • 5+ years' experience of working with Linux-based operation system (CentOS, OSX)
  • Strong experience developing microservices (Docker) on Kubernetes
  • Strong experience with operating servers on cloud-based environments (Google Cloud, AWS, Azure)
  • Strong leads with designing, implementation skills to approach the solution for any new features or problem solving
  • Self-starter to able to work with minimal supervision for high quality output


Highly Preferred Experiences

  • Experience manipulating video contents (content metadata, caption file, video format file, etc.)
  • Knowledge of various video formats: HLS, MP4, Mpeg-Dash
  • Experience developing scalable and highly available applications
  • Experience with message queue transactions for server communication (RabbitMQ, Kafka)
  • Experience of content recommendation systems


Core Responsibilities
  • Analyzes user and product requirements to design system flow and work processes.
  • Develops data storage models based on functional requirements.
  • Defines application programming interface access patterns and service integration touchpoints.
  • Partners with quality assurance to document integration and test plan.
  • Follows software development life cycle to implement new features through substantial programming effort.
  • Creates integration tests that run with every code commit.
  • Develops automation of service consumption.
  • Defines and iterates on configuration parameters to allow software and services to best meet system needs.
  • Builds out monitoring and alerting for live application programming interfaces and services.
  • Repairs, restores, and repaves backend services.
  • Maintains operation stability and corporate standards.
  • Works with security team to follow best practices and close vulnerabilities.
  • Documents and maintains defects and enhancements in the company issue management system.
  • 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) as necessary.
  • Other duties and responsibilities as assigned.


Skills
Back-End Development, CentOS, Java, MySQL, RESTful APIs, Software Development

Compensation
Primary Location Pay Range: This job can be performed in California with a good faith estimated pay range upon hire of $141,860.82 - $189,147.75 USD.

Comcast intends to offer the selected candidate base pay within the posted range for this role at the time of posting dependent on job-related, non-discriminatory factors such as experience. The application window is 30 days from the date job is posted, unless the number of applicants requires it to close sooner or later.

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 (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
7-10 Years

About Comcast

FreeWheel manages the economics of content for the enterprise class of entertainment, offering technical infrastructure for revenue rights management and business operations, wrapped in advisory services. They offer advertising sales rights, display, video, mobile ad management, contract management, professional content, ad serving, reporting, analytics, technology, services, advisory services, business operations, programmatic advertising, advertising marketplace, and linear, and online advertising.

Comcast Careers

Joining Comcast means becoming part of a dynamic team committed to shaping the future of media and technology. As a leading company in entertainment, communications, and technology, Comcast offers unparalleled job opportunities designed to foster professional growth and innovation. Work You’ll Do At Comcast, you’ll be part of a culture that cherishes diversity, leadership, and innovation. Our team is at the forefront of the industry, leading changes that redefine how people connect and experience content across the globe. Transform your career with a company that is committed to your professional development. Comcast offers a variety of positions across multiple fields, where your skills will be honed for leadership roles and your career aspirations supported by comprehensive training programs. Join Our Leading Team Be part of a team that values creativity and diversity. Comcast’s commitment to inclusive culture and diversity training ensures that every team member’s voice is heard and valued. This approach not only enhances our work environment but also drives our leadership in the competitive tech industry. Innovate with Us Engage in work that matters with a team of over 100,000 employees worldwide. At Comcast, innovation isn’t just another buzzword—it's at the core of everything we do. From developing groundbreaking technology to reimagining how our customers experience entertainment and communication, your work will influence millions. Internship and Employment Opportunities Start your career with a Comcast internship, where you’ll gain invaluable industry experience, network with professionals, and develop skills that will benefit you throughout your career. For those seeking full-time positions, Comcast’s hiring process is designed to find not just the right skills but the right fit for our culture of growth and innovation. Benefits and Growth Comcast is dedicated to the well-being and advancement of our team members. Enjoy a wealth of benefits that support both your professional and personal life, including health, wellness, and retirement plans. Our employees are encouraged to pursue continuous growth through professional development opportunities and leadership training. Stay Connected Join the Comcast Team Explore job opportunities that match your skills and interests. We are always looking for passionate, curious, and solution-driven team players. Search Comcast jobs today and find out where your career could take you. Keep Up to Date Stay ahead with career tips, insider perspectives, and industry-leading insights you can put to use today—all from the people who work here. Read Careers Blog Job Alert Emails Customize your subscription to receive job alerts, latest news, and insider tips tailored to your preferences. Discover the exciting and rewarding career opportunities that await at Comcast. By joining Comcast, you’re not just finding a job—you’re joining a community of innovators who are passionate about creating extraordinary experiences for our customers and for each other.
Learn more about Comcast
Size
31,000 employees
Market Cap
$149.9 billion
Industry
Net Income
$10.5 billion
Founded
1963
5 Year Trend
+7.6%
Revenue
$103.5 billion
NASDAQ

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