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Mid Level Developer Jobs in California (NOW HIRING)

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Mid Level Developer information

See California salary details

$10.9K

$85.5K

$111.5K

How much do mid level developer jobs pay per year?

As of Sep 9, 2026, the average yearly pay for mid level developer in California is $85,531.00, according to ZipRecruiter salary data. Most workers in this role earn between $59,200.00 and $106,100.00 per year, depending on experience, location, and employer.

What is a mid level developer?

Mid Level Developers are software professionals who have gained several years of experience beyond entry-level positions and are proficient in coding, debugging, and collaborating on projects. They possess a strong understanding of programming languages, frameworks, and software development processes. Mid Level Developers often take on more responsibility than junior developers, such as mentoring newer team members, contributing to architectural decisions, and ensuring code quality. They are expected to work independently on tasks, communicate effectively with team members, and deliver reliable solutions to complex problems.

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

To thrive as a Mid Level Developer, you need solid programming skills in languages such as Java, Python, or JavaScript, along with a relevant degree or equivalent experience. Familiarity with version control systems like Git, integrated development environments (IDEs), and frameworks such as React or Spring Boot is typically required. Effective problem-solving, teamwork, and strong communication skills help you collaborate and adapt to project needs. These abilities ensure you can deliver reliable code, work smoothly with colleagues, and contribute to successful software projects.

What opportunities for professional growth can a mid level developer typically expect within a software development team?

As a Mid Level Developer, you can expect to take on more complex projects, mentor junior team members, and gradually assume greater ownership of features or modules. Many organizations support growth through peer code reviews, access to learning resources, and the chance to participate in architectural discussions. Advancement paths often include moving toward senior developer roles, technical leads, or specializing in areas like DevOps or security, depending on your interests and the company's needs.

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

AspectMid Level DeveloperJunior Developer
Experience2-4 years0-2 years
SkillsProficient in multiple programming languages, problem-solving, and project contributionBasic coding skills, learning foundational concepts
ResponsibilitiesDeveloping features, debugging, collaborating on projectsAssisting in tasks, learning codebases, under supervision
Work EnvironmentIndependent work, team collaboration, project ownership

The main difference between a Mid Level Developer and a Junior Developer lies in experience, skill proficiency, and responsibilities. Mid Level Developers have more experience, can handle complex tasks independently, and contribute significantly to projects, whereas Junior Developers are still learning foundational skills and typically work under supervision.

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

The most popular types of Developer jobs in California are:

What are popular job titles related to Mid Level Developer jobs in California?

For Mid Level Developer jobs in California, the most frequently searched job titles are:

What job categories do people searching Mid Level Developer jobs in California look for?

The top searched job categories for Mid Level Developer jobs in California are:

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

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

Mid Level Developer jobs near you
Infographic showing various Mid Level Developer job openings in California as of September 2026, with employment types broken down into 1% As Needed, 57% Full Time, 35% Part Time, 1% Temporary, and 6% Contract. Highlights an 84% Physical, 3% Hybrid, and 13% Remote job distribution, with an average salary of $85,531 per year, or $41.1 per hour.

Mid Level Environmental Engineer

Irvine, CA • On-site

TRS Staffing Solutions
See more jobs at TRS Staffing Solutionsexternal

$90K - $140K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 2 days ago

Key responsibilities

  • Support the design of assessment programs and remedial options for site cleanup, environmental due diligence, regulatory compliance, and permitting activities.

  • Scope, coordinate, and perform fieldwork to support environmental assessment, remediation, and restoration projects, including collecting samples from groundwater, soil, soil vapor, and surface water.

  • Prepare technical presentations, reports, letters, plans, and proposals, and communicate project status to senior staff, clients, and regulators.

Job description

Mid-Level Environmental Engineer

 

We currently seek a Mid-Level Environmental Engineer/ Scientist/ Geologist on a direct hire basis within our client’s environmental engineering and science consulting firm. The ideal candidate will possess 3 to 10 years of relevant experience. Responsibilities include supporting the design of assessment programs and remedial options for site cleanup, ensuring regulatory compliance, and obtaining necessary permits. The ideal candidate will coordinate and perform fieldwork, collecting samples from groundwater, soil, soil vapor, and surface water. Additionally, they will manage project budgets, prepare technical presentations and reports, and communicate project status to senior staff, clients, and regulators. The role also involves collaborating with vendors, subcontractors, and analytical laboratories, analyzing environmental data, and contributing to a collaborative team atmosphere. Based in Irvine, CA.

Job Requirements:

·       Support the design of assessment programs and remedial options for site cleanup, as well as environmental due diligence, regulatory compliance, and permitting activities.

·       Scope, coordinate, and perform fieldwork to support environmental assessment, remediation, and restoration projects. Fieldwork may include the collection of groundwater, soil, soil vapor, and surface water samples.

·       Develop and track project budgets.

·       Prepare high-quality technical presentations, reports, letters, plans, and proposals with minimal senior GSI staff oversight.

·       Regularly interact with senior GSI staff, clients, and regulators to communicate project status.

·       Coordinate with vendors, subcontractors, and analytical laboratories and independently perform subcontractor oversight.

·       Manage, analyze, and interpret environmental data using statistical and data visualization tools.

·       Perform and oversee data entry and QA/QC of data tables, maps, reports, and other work products.

·       Independently perform research tasks with input from senior staff and technical experts.

·       Contribute to a team atmosphere through collaboration with technical experts, project managers, colleagues, and subcontractors.

 

 

Qualifications:

·       A Bachelors degree or higher in the Geosciences, Environmental Engineering, or related field is required; a Masters degree is preferred.

·       Between 3 and 10 years of relevant professional work experience is preferred.

·       Engineer in Training (EIT) or Geologist in Training (GIT) certification is required; however, Professional Engineer (PE) or Professional Geoscientist (PG) certification is preferred.

·       Required skills and qualifications include:

·       Experience with data management, database and office software, and data analysis

·       Excellent organizational, verbal, and written communication

·       Ability to manage multiple tasks and organize complex datasets

·       Ability to work independently and as part of a team

·       Valid drivers license and clear driving record

·       Ability to travel domestically to perform fieldwork

·       Additional preferred skillsets and qualifications include:

·       Working knowledge of state and federal environmental cleanup regulations is preferred

·       40-hour OSHA HAZWOPER certification

 

To be Considered Candidates: Must be authorized to work in the USA without sponsorship***  

Employment Type: Direct Hire

Location of Position: Irvine, CA

Location Type: On-site

TRS Staffing Solutions is an Equal Opportunity Employer that recognizes the value of a diverse workforce.  Employment decisions are based on job related criteria and not on the basis of any unlawful criteria.  We ensure equal access to employment opportunities, services, and programs.