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Back End Developer Jobs in California (NOW HIRING)

VSolvit

SENIOR ORACLE BACKEND DEVELOPER

Norco, CA · On-site

$115K - $145K/yr

As a Senior Oracle Backend Developer, you will collaborate with cross-functional teams to design, develop, and maintain backend systems that power critical systems and services. You will be ...

Jobsbridge

ASP.NET Back-End Developer

San Jose, CA

Programming, testing, and implementation of server-side software and systems Up-to-date knowledge ... NET 4.0+ Fluency in back-end technologies of MSSQL, IIS, LINQ, C#, and OAuth Understanding of the ...

Jobsbridge

ASP.NET Back-End Developer

San Diego, CA

Programming, testing, and implementation of server-side software and systems Up-to-date knowledge ... NET 4.0+ Fluency in back-end technologies of MSSQL, IIS, LINQ, C#, and OAuth Understanding of the ...

1 point system

Backend .NET Developer

Fremont, CA · On-site

$54/hr

Backend .NET Developer LOCATION: Onsite in Fremont, CA DURATION: 6+ months Contract to Hire RATE: Up to $54/hr W2 POSITION SUMMARY: What You'll Do * Contribute to the complete software development ...

Jobsbridge

ASP.NET Back-End Developer

San Jose, CA · On-site

Programming, testing, and implementation of server-side software and systems Up-to-date knowledge ... NET 4.0+ Fluency in back-end technologies of MSSQL, IIS, LINQ, C#, and OAuth Understanding of the ...

krg technology inc

Java Backend Developer

San Jose, CA

$59.25 - $76.75/hr

Ideal candidate should have excellent working knowledge in Java back end and good understanding of server-side preprocessors, accessibility and security compliance, User authentication and ...

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How much do back end developer jobs pay per hour?

As of Jun 21, 2026, the average hourly pay for back end developer in California is $56.98, according to ZipRecruiter salary data. Most workers in this role earn between $46.73 and $67.36 per hour, depending on experience, location, and employer.

What is a Back End Developer?

A Back End Developer is a programmer who specializes in building and maintaining the server-side logic, databases, and application functionality that power websites and web applications. Unlike front end developers, who focus on the visual and interactive elements users see, back end developers work behind the scenes to ensure data is stored, processed, and delivered correctly. They typically use programming languages like Python, Java, Ruby, or PHP, and interact with databases such as MySQL or MongoDB. Their work is crucial for making sure applications run smoothly, securely, and efficiently.

What are some common challenges Back End Developers face when integrating with front-end teams?

Back End Developers often encounter challenges when aligning data structures and APIs with front-end requirements, especially as user interface needs evolve rapidly during development. Effective communication and regular collaboration with front-end developers are essential to ensure that endpoints, data formats, and error handling are well-coordinated. Additionally, maintaining consistent documentation and using tools like Swagger or Postman can help streamline integration and reduce misunderstandings between teams.

How much do backend devs make?

Back End Developers typically earn between $70,000 and $120,000 annually, depending on experience, location, and skill set. Senior roles or those with expertise in specific technologies like databases or cloud services can earn higher salaries. Entry-level positions generally start lower but can increase with additional skills and certifications.

Will backend be replaced by AI?

Back End Developers design and maintain server-side systems, and while AI can automate certain tasks like code generation and data processing, it is unlikely to fully replace the need for human developers. Skills in programming languages, database management, and understanding system architecture remain essential, with AI serving as a tool to enhance productivity rather than replace the role entirely.

What does a backend developer do?

A backend developer builds and maintains the server-side components of web applications, including databases, server logic, and APIs. They work with programming languages like Java, Python, or Ruby and often use tools such as databases and version control systems to ensure the application's functionality, security, and performance.

Is backend developer still in demand?

Backend developers are currently in high demand due to the ongoing need for server-side applications, APIs, and database management across industries. Skills in programming languages like Java, Python, and frameworks such as Node.js are particularly valuable, and experience with cloud services and containerization can enhance job prospects.

What Is a Back End Developer?

A back end developer is a computer science professional who specializes in functionality that takes place on the server side or backend. As a back end developer, you write code to create software that solves a business need. Your responsibilities are to research the needs of either your employer, or a particular industry, find a problem, and create a software solution. A back end developer differs from a traditional web developer, or front end developer, in that back-end software may not have a user interface or even have exposure to the web.

What is the difference between Back End Developer vs Front End Developer?

AspectBack End DeveloperFront End Developer
Primary FocusServer-side logic, databases, APIsUser interface, website layout, client-side scripting
Skills & TechnologiesLanguages like Java, Python, Ruby; databases; server managementHTML, CSS, JavaScript, frameworks like React or Angular
Work EnvironmentBackend systems, server environments, cloud platformsDesign tools, browser testing, UI/UX design
Common CertificationsCertified Web Developer, AWS Certified DeveloperCertified Front End Developer, UI/UX certifications

Back End Developers focus on server-side logic, databases, and APIs, ensuring the website's functionality behind the scenes. Front End Developers work on the visual and interactive aspects users see and interact with. Both roles are essential in web development, often collaborating to create seamless digital experiences.

What are the key skills and qualifications needed to thrive as a Back End Developer, and why are they important?

To thrive as a Back End 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 degree in computer science or related experience. Familiarity with frameworks such as Spring or Django, version control systems like Git, and cloud platforms (e.g., AWS or Azure) is often required, with certifications in these areas considered beneficial. Problem-solving, effective communication, and teamwork are crucial soft skills that help developers collaborate and address complex technical challenges. These competencies are vital for building reliable, scalable systems that support front-end applications and ensure robust product performance.
More about Back End Developer jobs
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What job categories do people searching Back End Developer jobs in California look for? The top searched job categories for Back End Developer jobs in California are:
What cities in California are hiring for Back End Developer jobs? Cities in California with the most Back End Developer job openings:
What are popular job titles related to Back End Developer jobs in CA? For Back End Developer jobs in CA, the most frequently searched job titles are:
Back End Developer jobs near you
Infographic showing various Back End Developer job openings in California as of June 2026, with employment types broken down into 73% Full Time, and 27% Contract. Highlights an 83% In-person, and 17% Remote job distribution, with an average salary of $118,514 per year, or $57 per hour.
Backend Python Engineer for API Services

Backend Python Engineer for API Services

OSI Engineering, Inc.

Cupertino, CA • On-site, Remote

$50 - $60/hr

Other

Posted 29 days ago

Job description

Backend Python Engineer for API Services
We are seeking a Backend Developer with a strong Data Engineering focus to build secure APIs, backend services, and enterprise data access solutions in a fast-paced, collaborative environment. This role focuses on developing Python-based backend systems and enabling scalable access to internal enterprise data platforms.
You will design and maintain backend services, REST APIs, and secure enterprise integrations within a cloud-based data environment. Initial priorities include building secure REST APIs and MCP integrations that expose internal enterprise data systems for broader platform use. Over time, the role may expand into ETL workflows, orchestration pipelines, data transformations, and cloud data platform initiatives using tools such as Airflow, DBT, and Snowflake. You will collaborate closely with engineering teams to build scalable backend systems, support data access initiatives, and contribute to evolving AI-enabled engineering workflows.
Minimum Qualifications

  • 8+ years of backend software engineering experience
  • Strong Python development experience
  • Experience building REST APIs and backend services
  • Experience with FastAPI or similar backend frameworks
  • Strong understanding of backend architecture and scalable system design
  • Experience working with secure enterprise systems and data access
  • Strong problem-solving and analytical skills
  • Ability to work independently within a small, fast-moving engineering team
  • Comfortable learning new technologies and adapting to evolving requirements


Preferred Qualifications

  • Experience with GraphQL, Airflow, DBT, or Snowflake
  • Experience with ETL and data transformation workflows
  • Exposure to AI/LLM engineering initiatives or MCP integrations
  • Familiarity with AI-assisted development workflows
  • Experience working in fast-paced or startup environments


Education & Experience

  • Senior-level backend engineering experience strongly preferred


Submit resume to 
Tony Do
x115
Type: Contract

Location: Cupertino, CA (Hybrid/Remote)
Duration: 12 Months +
Pay Rate Range: $50-$60/HR DOE

Apply