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Mid Level Backend Developer Jobs in California (NOW HIRING)

Mid Level Software Engineer

Irvine, CA · On-site

$100K - $115K/yr

Mid Level Software Engineer Full-time Remote Exclusive confidential search -- details shared with ... Develop backend and frontend functionality using modern engineering practices * Contribute to CI/CD ...

Sr. Backend Engineer

San Ramon, CA · On-site

$65 - $75/hr

Medical, Dental, Vision, 401k A popular clothing brand is looking for a Staff-level Backend Engineer to step in as a technical leader and force multiplier for their engineering team. This person will ...

Medical, Dental, Vision, 401k A popular clothing brand is looking for a Staff-level Backend Engineer to step in as a technical leader and force multiplier for their engineering team. This person will ...

Backend Engineer (Mid-Level) At Tessera Labs, we're revolutionizing business process automation with cutting-edge AI technology. Backed by Foundation Capital and led by a world-class founding team, w ...

Have 5+ years of experience as a backend engineer developing and deploying production-level backend systems * Experience with LLM models and AI-driven systems - either from past projects or a strong ...

Expert-level proficiency in Python 3.10 or higher. * Strong experience with backend frameworks such ... Collaborate with engineering and product teams to deliver scalable backend solutions.

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Mid Level Backend Developer information

See California salary details

$11

$56

$83

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

As of Jun 21, 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 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 are Mid Level Backend Developers?

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 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 key skills and qualifications needed to thrive as a Mid Level Backend Developer, and why are they important?

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 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:
Infographic showing various Mid Level Backend Developer job openings in California as of June 2026, with employment types broken down into 56% Full Time, 13% Part Time, 4% Temporary, 25% Contract, and 2% Nights. Highlights an 76% Physical, 5% Hybrid, and 19% Remote job distribution, with an average salary of $118,514 per year, or $57 per hour.

Java Developer (CCDI Operations / Backend) (Mid-Level) - Bilingual in Korean/English

SBT Global, Inc.

Irvine, CA • On-site

$100K/yr

Full-time

Posted 4 days ago


Job description

Company Description
JAVA Developer (CCDI Operations / Backend) (Mid-Level)
  • On-site role (Mandatory)
  • Contract position (Start: July, Minimum 1 year)
  • Compensation: $100K+ DOE

Position Overview
We are seeking Mid-Level Backend Developers to support CCDI operations and development.
This role involves CI/CD management, MSA-based deployments, backend development, data processing, Kafka-based event streaming, and database integration/migration work.
Strong English communication skills are required.
Job Description
  • Manage and operate CI/CD pipelines (Kubernetes, MSA deployment & release management)
  • CCDI core backend development and system enhancements
  • Backend development using Java / Python
  • Database integration with PG, Oracle, MongoDB, and Redis
  • Kafka event streaming (consumer/producer development and optimization)
  • MongoDB batch processing (data deletion, legacy data migration)
  • Support EAI and database migration (BLODS, PKTMS, TODS)
  • Support Informatica migration activities
  • Provide production on-call support (average 10.8 hours/day operational coverage)
  • System monitoring, incident response, and KUS VOC support
  • Code review and QA governance
  • Additional system integration/support tasks (MQTT, ISS, JP, etc.)

Qualifications
  • Experience in Java / Python development
  • Experience with Oracle, MongoDB, Redis, and PG database integration
  • Experience with Kubernetes and CI/CD environments
  • Experience with MSA-based systems
  • Backend development and production support experience
  • Strong English communication skills (required)

Preferred Qualifications
  • Experience in large-scale enterprise system operations
  • Experience with database or legacy system migration
  • Experience with Kafka-based event streaming
  • Experience with EAI or Informatica migration
  • Experience in production support or 24/7 environments

Additional Information
All your information will be kept confidential according to EEO guidelines.