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Mid Level Backend Developer Jobs in California (NOW HIRING)

EQL Tech

Mid-Level Software Engineer

San Francisco, CA · On-site +1

... Lead Software Engineer and an external technical consultant. The platform is mid-migration. A ... Comfortable across the stack - roughly 80% frontend, 20% backend-- and not someone who avoids ...

EQL Tech

Mid-Level Software Engineer

San Francisco, CA · Remote

... Lead Software Engineer and an external technical consultant. The platform is mid-migration. A ... Comfortable across the stack - roughly 80% frontend, 20% backend-- and not someone who avoids ...

Bedrock Data

Engineer, Backend

San Mateo, CA · On-site

$150K - $230K/yr

Backend Engineer (Mid-Senior) About the role We're seeking a mid-to-senior backend engineer to join our team and help build our cloud security platform. In this role, you won't just write code - you ...

Redolent, Inc.

Java Back-End Engineer

Sunnyvale, CA · On-site

$143K - $186K/yr

TITLE: Back-End Developer (Java, Spring, Kafka) LOCATION: Sunnyvale, CA Rate / Salary : DOE NOTES ... high level design.- Leads the work of other small group of 3 to 4 engineers for assigned ...

NxT Level

Senior Backend Engineer (SF)

San Francisco, CA · On-site

$200K - $240K/yr

Developer infrastructure or API platforms Experience with FHIR, HL7, EHR integrations, QHINs, HIPAA ... level of ownership expected here. Who Tends to Thrive Here This environment is best suited for ...

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All JobsMid Level Backend Developer JobsMid Level Backend Developer Jobs in California

Mid Level Backend Developer information

See California salary details

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$56

$83

How much do mid level backend developer jobs pay per hour?

As of Sep 13, 2026, the average hourly pay for mid level backend 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 mid level backend developer?

Mid Level Backend Developers are software engineers who specialize in developing and maintaining the server-side logic, databases, and APIs that power web and mobile applications. They usually have a few years of professional experience and are proficient in programming languages like Java, Python, Node.js, or Ruby. These developers are responsible for ensuring that data flows efficiently between the server and users, optimizing performance, and collaborating with front-end developers and other team members. Their role often includes troubleshooting server issues, writing automated tests, and implementing security best practices.

What are the key skills and qualifications needed to thrive as a mid level backend developer?

To thrive as a Mid Level Backend Developer, you need strong programming skills in languages like Java, Python, or Node.js, a solid understanding of server-side logic, and experience with relational and non-relational databases. Familiarity with frameworks (such as Spring or Express), RESTful API development, version control systems (like Git), and containerization tools (like Docker) is typically required. Effective problem-solving, collaboration, and clear communication are standout soft skills for this role. These abilities are crucial for building reliable, scalable backend systems and working efficiently within development teams.

What are some typical challenges a mid level backend developer might face when working on large-scale applications?

As a Mid Level Backend Developer, you may frequently encounter challenges related to maintaining code quality and ensuring scalability as applications grow. Managing database performance, optimizing API responses, and integrating with legacy systems are common tasks that require both technical skill and problem-solving ability. Collaboration with frontend developers, DevOps engineers, and QA testers is essential to ensure smooth deployments and consistent user experiences. Staying up-to-date with new frameworks and technologies, while balancing project deadlines, is also a key part of the role.

What is the difference between Mid Level Backend Developer vs Junior Backend Developer?

AspectMid Level Backend DeveloperJunior Backend Developer
Experience2-4 years0-2 years
SkillsProficient in backend frameworks, databases, API developmentBasic understanding of backend concepts, learning frameworks
ResponsibilitiesDeveloping features, troubleshooting, code reviewsAssisting in tasks, learning codebase, bug fixing
Work EnvironmentCollaborates with teams, independent problem-solving

The main difference between a Mid Level Backend Developer and a Junior Backend Developer lies in experience and skill level. Mid level developers have more hands-on experience, handle complex tasks independently, and contribute significantly to project development. Junior developers are still learning, focusing on foundational tasks and gaining industry knowledge. This distinction helps employers identify the right candidate for different stages of project involvement.

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 cities in California are hiring for Mid Level Backend Developer jobs?

Cities in California with the most Mid Level Backend Developer job openings:

Mid Level Backend Developer jobs near you
Infographic showing various Mid Level Backend Developer job openings in California as of September 2026, with employment types broken down into 1% As Needed, 72% Full Time, 19% Part Time, 1% Temporary, 6% Contract, and 1% Nights. Highlights an 82% Physical, 3% Hybrid, and 15% Remote job distribution, with an average salary of $118,514 per year, or $57 per hour.

Member of Technical Staff (Backend)

San Francisco, CA • On-site

Kindredventures
See more jobs at Kindredventuresexternal

Other

Medical, Retirement

Posted 12 days ago

Job description

Member of Technical Staff (Backend)

We're looking for an experienced Backend Engineer to join Fearn as we build up a scalable infrastructure.

Role: Member of Technical Staff (Backend)

Location: San Francisco, California

Job Type: Full-Time

About the Role.

We're looking for a backend engineer to join Fearn as we build up a scalable infrastructure. You'll play a crucial role in architecting and building robust backend systems that power our platform.

What you'll work on.
  • Designing and building the production APIs and backend services that power Fearn's platform. You'll make the key high level architectural calls that will determine how we scale, cut complexity, and how fast we can ship.
  • Working across databases and distributed systems to keep the platform fast and reliable as load grows.
  • Owning your work from design through deployment.
What you'll bring.
  • Strong Python proficiency and experience with backend engineering.
  • Experience building production APIs and working with databases and distributed systems.
  • Comfort with deployment tooling: CI/CD, Kubernetes, Docker containers.
  • Familiarity with cloud platforms (AWS, GCP, or Azure) and hybrid cloud environments.
  • Experience with monitoring, logging, and observability tools.
  • A track record of turning ambiguous problems into momentum and seeing things through to impact.
Bonus.
  • Familiarity with Svelte or TypeScript for occasional frontend work.
  • Hands-on experience with on-premise deployment and infrastructure management.
  • Experience scaling deployments of custom or open-source models.
  • Experience with real-time collaborative software, particularly text editors.
  • Previous startup experience and comfort with ambiguity.
What we offer.
  • Competitive salary and meaningful equity, calibrated to experience (4-year vest).
  • Health insurance, 401(k) with company match.
  • Meals in office.
About our interview process.

We run an efficient and thorough interview process to ensure a good fit on both sides. That being said, we will try our best to make the process as fast as you need it to be. Please see details below:

Member of technical staff.

Introductory chat: We will tell you a bit about Fearn, learn about you and your prior experiences, and answer any questions you might have. The goal is to assess whether or not we are aligned.

Take home system design interview with follow up: You will have a few days to work on a couple of system design problems. Afterwards, we will meet to discuss your implementation to understand your thought process. Our goal is to understand how you reason about high level architecture choices, how you decide upon solutions given various constraints, and overall problem solving skills.

Onsite: Join us in person to meet the rest of the team.

Reference checks: We will conduct a minimum of 2 reference checks. Be prepared to share references of prior employers, classmates, or anyone you might have worked with in the past.

We may use AI note takers during interviews to make sure we are fully focused on you. Please let us know if this is an issue for you.

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