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Senior Backend Developer Jobs in California (NOW HIRING)

Boxtro Llp 123

Sr. Backend Engineer

San Francisco, CA · On-site

... Senior Backend Engineer. In this role, you will be implementing available, resilient and highly ... If you're a smart, motivated developer with 4 - 6 years of proven, hands-on experience with the ...

Mintlify

Senior Backend Engineer

San Francisco, CA · On-site

$190K - $265K/yr

As a Senior 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 ...

Casa, Inc

Senior Backend Engineer

San Francisco, CA · On-site

About the role We're hiring a founding Senior Backend Engineer to help us design, develop, and ship robust backend systems that deliver exceptional value to our members. You'll work closely with our ...

Darren Caddle

Back End Developer

San Francisco, CA · On-site

$180K - $220K/yr

DarrenCaddle is looking for Senior backend software developers to help support and grow our client's investor identity platform. A great opportunity to be part of a growing team and help develop ...

Mintlify

Senior Backend Engineer

San Francisco, CA · On-site

$150 - $200/hr

As a Senior 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 ...

FlexAI

Senior Backend Engineer

Santa Clara, CA · On-site

They are seeking a Senior Backend Engineer to architect and develop high-performance backend ... Work with DevOps/SRE on CI/CD, deployment automation, and scalability • Contribute to ...

Mochi Health

Senior Backend Engineer

San Francisco, CA · On-site

We are looking for a Senior Backend Engineer to own the core systems that power this scale-from clinical approval workflows and multi-pharmacy fulfillment routing, to complex subscription billing and ...

Hubs.is

Senior Backend Engineer

San Francisco, CA · On-site +1

About the Role We're looking for a Senior Backend Engineer to lead and enhance the backbone of our ... Collaborate with frontend, product and devops teams to ensure seamless integration. * Architect for ...

Nash

Senior Backend Engineer

San Francisco, CA · On-site

$125 - $150/hr

About The Role As a Senior Backend Engineer , you will play a critical role in designing and building Nash's backend systems, services, and APIs. You'll work closely with the CTO, co-founder, and ...

Mochi Health

Senior Backend Engineer

San Francisco, CA · On-site

We are looking for a Senior Backend Engineer to own the core systems that power this scale--from clinical approval workflows and multi-pharmacy fulfillment routing, to complex subscription billing ...

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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.

Sr. Backend Engineer

Boxtro Llp 123

San Francisco, CA • On-site

Full-time

Re-posted 5 days ago

Job description

Launched in 2012, Koding, a fast-growing startup (with over a million users), is seeking a Senior Backend Engineer. In this role, you will be implementing available, resilient and highly performant services used by millions of people. You will make key technical decisions and design choices, as well as writing amazing code, and you'll provide advice and support to other engineers. If you're a smart, motivated developer with 4 - 6 years of proven, hands-on experience with the back-end of large-scale web applications, you might just be the key person we're looking for. This role is as technically demanding as it gets; if you're interested in tackling a real challenge, this is the job for you.

You will collaborate to help specify, design, and develop software meeting company and product requirements, with lead responsibility for different areas of the architecture. You'll also be responsible for communicating with senior leadership around these areas and projects.

Koding is a developer-focused startup based in San Francisco's SOMA district. Our core product is: "Development Environments as a Service". We offer feature rich cloud-based development environments that are complete with free VMs, an attractive code editor & sudo level terminal... all in a browser.

Koding provides all you need to move your software development completely to the cloud. You will be up and running in minutes on your own cloud-based Linux boxes where you can learn programming languages like Ruby, Go, Java, NodeJS, PHP, C, C++, Perl, Python...the list goes on! You can experiment with installing/configuring/hacking Wordpress, Laravel, Django, Bootstrap and a slew of others or fire up a MySQL, Mongo, Postgres server with the click of a button. Our collaboration features allow you to pair-program with your friends and colleagues using audio-video and real time sharing of the entire development workspace. Leave your localhost behind and step into the future!

More info:
* https://www.linkedin.com/company/koding
* https://www.crunchbase.com/organization/koding

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