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Backend Jobs in California (NOW HIRING)

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 ...

Software Engineer, Backend

San Francisco, CA · On-site +1

$140K - $185K/yr

In this role, you'll build and own critical backend services, and collaborate with fellow engineers as we scale to support tens of millions of passionate sports fans. You'll collaborate cross ...

About the Role We are looking for a talented and motivated Backend Engineer to join our team. You will be responsible for building and maintaining scalable, high-performance backend systems that ...

Senior Backend Engineer

San Francisco, CA · On-site

$120K - $190K/yr

Senior Backend Engineer Remote, US About Nametag Nametag helps companies verify the real person behind high-risk workforce actions, from account recovery to identity checks, before attackers can ...

Vast is looking for a Senior Software Engineer , Backend reporting to the Senior Manager, Software Engineering to support the development of the systems that will be required for the design and build ...

Working with a team of backend & infrastructure devs, leading by being hands on, providing technical guidance, mentorship, and fostering a collaborative and innovative work environment. * Architect ...

As a Backend Engineer, you will contribute to the core of the product and infrastructure, collaborating closely with engineers and designers to build and scale the platform while ensuring system ...

Back-end Java Developer

Mountain View, CA · On-site

$60 - $78/hr

ClifyX is a company seeking a Back-end Java Developer for a 12-month contract. The role focuses on backend development using Java, Spring Boot, and RESTful APIs, requiring strong expertise in these ...

Backend Engineer

San Jose, CA · On-site

$170K - $400K/yr

About the Role You'll build the backend systems that make Hark's AI agent actually work - reliable, fast, and production-grade. That means the hard infrastructure problems: high-concurrency services ...

Senior Backend Engineer San Francisco • On Site • Full Time Judgment Labs is building the infrastructure for continual learning in long-horizon AI agents. The next generation of agents will not ...

Backend Engineer

San Francisco, CA · On-site

$130K - $200K/yr

As a Backend Engineer, you'll build the APIs, content pipelines, and AI infrastructure that power Mintlify's products. You'll collaborate across design and engineering, contribute to product and ...

We are looking for backend engineers to join our core product development teams. You'll work with other engineers to design and build new features or enhance existing features. This work will add ...

Showing results 41-60

Backend information

See California salary details

$5

$17

$19

How much do backend jobs pay per hour?

As of Sep 11, 2026, the average hourly pay for backend in California is $17.71, according to ZipRecruiter salary data. Most workers in this role earn between $15.19 and $18.99 per hour, depending on experience, location, and employer.

What is a backend developer?

Backend developers are software engineers who focus on building and maintaining the server-side logic, databases, and application programming interfaces (APIs) that power websites and applications. They ensure that data flows smoothly between the frontend (what users see) and the backend (the server and database). Backend developers work with languages such as Python, Java, Ruby, or Node.js, and often handle tasks like database management, security, and application architecture. Their work is critical to the functionality, scalability, and performance of digital products.

What are some common challenges backend developers face when integrating with frontend teams, and how can they be addressed?

One common challenge backend developers encounter is ensuring seamless communication and data exchange with frontend teams, particularly when APIs or data formats are not well-documented or agreed upon. Misalignments can lead to delays or bugs in user-facing features. To address this, it's helpful to establish clear API documentation, participate in regular cross-team meetings, and use collaborative tools like Swagger or Postman to test endpoints. Building strong communication channels and fostering a culture of collaboration can significantly improve the integration process and project outcomes.

What are the key skills and qualifications needed to thrive as a backend developer, and why are they important?

To thrive as a Backend Developer, you need strong programming skills in languages like Java, Python, or Node.js, along with a solid understanding of databases and API design, typically supported by a relevant degree or experience. Familiarity with frameworks (e.g., Spring, Django), version control systems like Git, and cloud platforms such as AWS or Azure is often required. Problem-solving abilities, teamwork, and effective communication are valuable soft skills in this role. These competencies ensure reliable, scalable backend systems that support business objectives and seamless application performance.

What is the difference between Backend vs Frontend?

AspectBackendFrontend
Primary FocusServer-side development, databases, application logicClient-side interface, user experience, visual design
Required SkillsProgramming languages like Java, Python, PHP; database managementHTML, CSS, JavaScript; UI/UX design
Work EnvironmentServer environments, cloud platforms, development frameworksWeb browsers, design tools, user testing environments
Common UsageBuilding and maintaining the server, database, and application logicCreating the visual elements and interactive features of websites

Backend and Frontend roles are both essential in web development but focus on different aspects. Backend developers handle server-side logic and data management, while Frontend developers focus on the user interface and experience. Understanding both helps in building comprehensive web applications.

Are backend engineers in demand?

Backend engineers are in high demand due to the growth of web applications, cloud services, and digital infrastructure. Skills in programming languages like Java, Python, or Node.js, along with experience in databases and APIs, increase employability across various industries.

What is meant by backend jobs?

Backend jobs involve developing and maintaining the server-side components of software applications, including databases, servers, and application logic. These roles typically require knowledge of programming languages like Java, Python, or Node.js, and often involve working with APIs, data management, and server infrastructure.

What are the most commonly searched types of Backend jobs in California?

The most popular types of Backend jobs in California are:

What cities in California are hiring for Backend jobs?

Cities in California with the most Backend job openings:

Infographic showing various Backend job openings in California as of September 2026, with employment types broken down into 100% Full Time. Highlights an 50% In-person, and 50% Remote job distribution, with an average salary of $36,844 per year, or $17.7 per hour.

Sr. Backend Engineer - Xumo

Irvine, CA • Remote

Full-time

Re-posted 5 days ago


Key responsibilities

  • Design, develop, and implement backend systems for video streaming that deliver video streams and metadata.

  • Build and enhance recommendation pipelines and data workflows to support personalized content delivery and system reliability.

  • Collaborate with cross-functional teams to gather requirements, create technical documentation, and develop scalable backend solutions.


Job description

Xumo, a joint venture between Comcast and Charter Communications, was formed to develop and offer a next-generation streaming platform for the entire entertainment industry. The company consists of three primary lines of business: Xumo devices, Xumo Play, and Xumo Enterprise. Powered by Comcast’s global entertainment platform, Xumo devices feature a world-class user interface with universal voice search capabilities, making it easy for consumers to find and enjoy their favorite streaming content. Xumo Play is a free ad-supported streaming TV (FAST) service offering hundreds of linear channels and on-demand options. Xumo Enterprise provides tools and services for content creators, distributors, and advertisers to make FAST content more accessible.

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.


Employees at all levels are expected to:
Understand our Operating Principles; make them the guidelines for how you do your job.
Own the customer experience - think and act in ways that put our customers first, give them seamless digital options at every touchpoint, and make them promoters of our products and services.
Know your stuff - be enthusiastic learners, users and advocates of our game-changing technology, products and services, especially our digital tools and experiences.
Win as a team - make big things happen by working together and being open to new ideas.
Be an active part of the Net Promoter System - a way of working that brings more employee and customer feedback into the company - by joining huddles, making call backs and helping us elevate opportunities to do better for our customers.
Drive results and growth.
Respect and promote inclusion & diversity.
Do what's right for each other, our customers, investors and our communities.
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.

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:

Back-End Development; RESTful APIs; MySQL; Software Development; Java (Programming Language); CentOS


Salary:

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

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

7-10 Years