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Sr. Backend Engineer - Xumo

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Comcast Advertising

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Location:
United States , Irvine ▼

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Category:
IT - Software Development

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Contract Type:
Employment contract

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Salary:

141860.82 - 189147.75 USD / Year
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Job Description:

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 Responsibility:

  • 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

Requirements:

  • 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

Nice to have:

  • 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
What we offer:
  • Paid Time off
  • Physical Wellbeing
  • Financial Wellbeing
  • Emotional Wellbeing
  • Life Events + Family Support

Additional Information:

Job Posted:
May 04, 2026

Employment Type:
Fulltime
Work Type:
Hybrid work
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