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Senior Backend Developer Jobs in California (NOW HIRING)

NimbleRx

Senior Backend Engineer

Redwood City, CA · On-site

NimbleRx is a healthtech company on a mission to simplify access, understanding and management of healthcare. As a Senior Backend Engineer, you will architect technology and customer experiences ...

FlexAI

Senior Backend Engineer

San Jose, CA · On-site

$180K - $225K/yr

As a Senior Backend Engineer , you'll drive backend architecture, scale platform services, and ... Work with DevOps/SRE on CI/CD, deployment automation, and scalability * Contribute to architecture ...

NUABLE

Senior Backend Engineer

San Francisco, CA · On-site

$200 - $250/hr

... Senior Backend Engineer to help build highly scalable backend systems that power millions of AI ... Continuously improving platform reliability, scalability and developer experience. About You * 3+ ...

RST Recruitment

Senior Backend Engineer

Alameda, CA · On-site

$150 - $200/hr

We need a senior backend engineer with 5+ years of experience building production systems who has deep expertise in security, cryptography, and cloud infrastructure. You should be comfortable owning ...

Comcast

Sr. Backend Engineer - Xumo

Irvine, CA · Remote

$141K - $189K/yr

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 ...

NxT Level

Senior Backend Engineer (SF)

San Francisco, CA · On-site

$200K - $240K/yr

Senior Backend Engineer - AI Healthcare The Opportunity Our client is building an AI-powered health ... Developer infrastructure or API platforms Experience with FHIR, HL7, EHR integrations, QHINs, HIPAA ...

Hedra

Senior Backend Engineer

San Francisco, CA · On-site

$125 - $150/hr

As a Senior Backend Engineer , you will design, build, and deploy the backend services that power our creative brainstorming and creation products. You will work with web and video standards to power ...

Socket.dev

Senior Backend Engineer

San Francisco, CA · On-site

$200 - $250/hr

We are looking for a senior backend engineer to own the backend systems that make that possible. The role You will work on the backend systems that power Slope's embedded credit, payments and ...

Hedra

Senior Backend Engineer

San Francisco, CA · On-site

$175K - $275K/yr

As a Senior Backend Engineer , you will design, build, and scale the backend systems that power ... developer platform and inference infrastructure. You'll build the services and APIs that allow ...

Slope

Senior Backend Engineer

San Francisco, CA · On-site

We are looking for a senior backend engineer to own the backend systems that make that possible. The role You will work on the backend systems that power Slope's embedded credit, payments and ...

David AI

Senior Backend Engineer

San Francisco, CA · On-site

As a Senior Backend Engineer, you will design clean APIs, build scalable services, and maintain ... DevOps best practices • Built scalable data pipelines that have facilitated large-scale event ...

Jobsbridge

Senior Back End Developer

San Diego, CA · On-site

$127K - $166K/yr

Company Description Jobs Bridge Inc is among the fastest growing IT staffing / professional services organization with its own job portal. Jobs Bridge works extremely closely with a large number of ...

P2P

Senior Backend Engineer

San Mateo, CA · On-site

$150 - $200/hr

Role Dinari is looking for senior backend engineers, eager to tackle the challenges of integrating Web3 technology into a stable and efficient SaaS platform. Responsibilities * Contribute to ...

Hired Recruiters

Senior Backend Engineer

Palo Alto, CA · On-site

$100K - $160K/yr

We are looking for a senior backend engineer to join our small team as we continue building out our product and deploy it to some of the largest insurance carriers in the world. * Founded 2019

Nash, Inc.

Senior Backend Engineer

San Francisco, CA · On-site

Senior Backend Engineer San Francisco / Hybrid / Remote About Nash Logistics is the substrate beneath every economy that has ever existed, and it remains the least intelligently coordinated activity ...

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Showing results 21-40

All JobsBackend Developer JobsSenior Backend Developer JobsSenior Backend Developer Jobs in California

Senior Backend Developer information

See California salary details

$63.2K

$138K

$188K

How much do senior backend developer jobs pay per year?

As of Sep 8, 2026, the average yearly pay for senior backend developer in California is $138,008.00, according to ZipRecruiter salary data. Most workers in this role earn between $118,900.00 and $154,400.00 per year, depending on experience, location, and employer.

What does a senior backend developer do?

A Senior Backend Developer is responsible for designing, building, and maintaining the server-side logic of web applications. They work with databases, APIs, and server infrastructure to ensure that applications run smoothly, securely, and efficiently. In addition to writing robust code, they often mentor junior developers, contribute to architectural decisions, and collaborate with frontend teams to deliver seamless user experiences. Their expertise is crucial for scaling applications and implementing best practices in software development.

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

To thrive as a Senior Backend Developer, you need advanced proficiency in server-side programming languages (such as Java, Python, or Node.js), deep understanding of API design, and experience with database management, often supported by a degree in computer science or related field. Familiarity with version control systems (like Git), cloud platforms (such as AWS or Azure), and relevant certifications in backend technologies are commonly required. Strong problem-solving abilities, effective communication, and leadership skills help you collaborate with cross-functional teams and mentor junior developers. These competencies ensure robust, scalable backend systems and drive successful project delivery in complex technical environments.

What are common challenges senior backend developers face when leading complex projects, and how can they address them?

Senior Backend Developers often encounter challenges such as integrating legacy systems with new technologies, ensuring scalability under increased load, and coordinating cross-functional teams for seamless feature delivery. Addressing these challenges typically involves proactive architectural planning, clear communication with frontend and DevOps teams, and adopting best practices like code reviews and automated testing. Staying updated on emerging technologies and fostering a culture of knowledge sharing within the team also help in overcoming technical obstacles and driving successful project outcomes.

What is the difference between Senior Backend Developer vs Backend Developer?

AspectSenior Backend DeveloperBackend Developer
Required Experience5+ years, leadership skills1-3 years, foundational skills
ResponsibilitiesDesign architecture, mentor juniors, optimize systemsImplement features, fix bugs, write code
Skills & CertificationsAdvanced coding, system design, relevant certificationsBasic coding, database knowledge
Work EnvironmentCollaborates with cross-functional teams, often in larger projectsFocuses on individual tasks within projects

The main difference between a Senior Backend Developer and a Backend Developer lies in experience, responsibilities, and leadership. Senior Backend Developers typically have more years of experience, take on complex system design, and mentor junior staff, whereas Backend Developers focus on implementing features and fixing bugs. Both roles are essential in backend development teams, but the senior role involves more strategic and leadership duties.

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

The most popular types of Backend Developer jobs in California are:

What are popular job titles related to Senior Backend Developer jobs in California?

For Senior Backend Developer jobs in California, the most frequently searched job titles are:

What job categories do people searching Senior Backend Developer jobs in California look for?

The top searched job categories for Senior Backend Developer jobs in California are:

What cities in California are hiring for Senior Backend Developer jobs?

Cities in California with the most Senior Backend Developer job openings:

Senior Backend Developer jobs near you
Infographic showing various Senior Backend Developer job openings in California as of August 2026, with employment types broken down into 84% Full Time, 6% Part Time, and 10% Contract. Highlights an 80% Physical, 5% Hybrid, and 15% Remote job distribution, with an average salary of $138,008 per year, or $66.3 per hour.

Senior Backend Engineer

NimbleRx

Redwood City, CA • On-site

Full-time

Re-posted 29 days ago

Job description

Job Summary:
NimbleRx is a healthtech company on a mission to simplify access, understanding and management of healthcare. As a Senior Backend Engineer, you will architect technology and customer experiences pivotal to multiple web products, collaborating with a team of motivated software engineers to deliver high-quality code on time.
Responsibilities:
• Build a scalable platform, API, and services that people love to use
• Take ownership of backend features, from design to implementation to release
• Mentor junior engineers and interns
• Promote best practices and high-quality development techniques
• Tackle tough design and technical problems
• Enhance our systems' usability and performance, ensuring a consistent user experience
Qualifications:
Required:
• 5+ years of experience with backend APIs, services, and platform development
• Rich development experience with Java, Spring, and SQL
• Experience developing scalable, customer-facing, web-based applications
• Excellent communication skills
Preferred:
• experience with React
• Terraform / Terragrunt
• AWS
Company:
Nimble provides a pharmacy experience centered around the patient's needs to provide a more streamlined workflow. Founded in 2015, the company is headquartered in Redwood City, USA, with a team of 51-200 employees. The company is currently Growth Stage.

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