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Mid Level Developer Jobs in California (NOW HIRING)

Cybercoders

Mid-Level Software Engineer

Costa Mesa, CA · On-site

Mid-Level Software Engineer About the Role We are seeking a Mid-Level Software Engineer to join our ... Familiarity with CI/CD pipelines and DevOps practices. Benefits Benefits include: * Health ...

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See California salary details

$10.9K

$85.5K

$111.5K

How much do mid level developer jobs pay per year?

As of Jun 18, 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?

A mid-level developer is a software professional with several years of experience who can independently handle projects, write clean code, and troubleshoot issues. They typically have a solid understanding of programming languages, development tools, and may mentor junior team members. This role often requires familiarity with version control systems and software development methodologies.

What engineers make $500,000?

Senior software engineers, especially those with expertise in high-demand areas like machine learning, cloud computing, or fintech, can earn $500,000 or more annually, often through a combination of base salary, bonuses, and stock options. Achieving this level typically requires extensive experience, advanced skills, and working at large tech companies or startups with significant funding.

What are Mid Level Developers?

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 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 jobs in the US pay 300,000 a year?

Mid-level developers typically do not earn $300,000 annually; such high salaries are usually associated with senior roles like software architects, engineering managers, or specialized positions in finance, law, or executive leadership. Achieving this level often requires extensive experience, advanced skills, and sometimes working in high-paying industries or companies with performance-based bonuses.

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

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 L1, L2, L3, and L4 developer?

In the context of a mid-level developer role, L1, L2, L3, and L4 typically refer to different levels of seniority or expertise within an organization, with L1 being entry-level and L4 representing senior or lead developers. These levels often correspond to increasing skills, responsibilities, and experience, and may influence salary, project scope, and expectations. Organizations may define these levels differently, but they generally help structure career progression and role expectations for developers.
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 June 2026, with employment types broken down into 1% As Needed, 97% Full Time, and 2% Part Time. Highlights an 81% Physical, 5% Hybrid, and 14% Remote job distribution, with an average salary of $85,531 per year, or $41.1 per hour.
Software Engineer (Mid Level and Senior)

Software Engineer (Mid Level and Senior)

RheoSense

San Ramon, CA

$120K - $155K/yr

Other

Medical, Dental, Vision, Life, Retirement, PTO

Posted 21 days ago

Job description

About RheoSense, Inc.
RheoSense, Inc. (RheoSense) is a leading scientific instrumentation company specializing in high-precision microfluidic viscosity measurement technology. Our innovative VROC® platform is trusted by researchers, engineers, and scientists across biotechnology, pharmaceuticals, materials science, and advanced manufacturing.
We are committed to delivering accurate, reliable, and user-friendly measurement solutions that empower our customers to accelerate discovery, improve product performance, and drive scientific advancement.
At RheoSense, we foster a collaborative, fast-moving environment where innovation, continuous improvement, and customer focus guide everything we do. As we continue to grow, we're looking for talented individuals who are excited to contribute to cutting-edge technology and make a meaningful impact in the scientific community.
Position: Software Engineer (Mid-Level and Senior)
Corporate Office: San Ramon, California
Relocation Assistance: No (Local Candidates Are Encouraged to Apply and Will Be Given Preference)
Closing: Continuous Recruitment. We are accepting and reviewing all qualified applicants who meet the minimum requirements which are listed in this announcement for consideration on an ongoing basis.
Application Screening Process: Your application will not be considered if you fail to meet the minimum qualifications listed below or do not submit a detailed cover letter and resume as required for the application screening process.
Salary: $120,000 - $155,000 annually.
The successful candidate's starting base will be determined based on permissible, non-discriminatory factors such as skills, experience, and geographic location. It is not typical for an individual to be hired at or near the top of the base range for this role.
Who You Are
You are passionate about developing impactful applications that solve real-world problems and thrive in a fast-paced, collaborative environment where flexibility and adaptability are essential. You bring strong technical expertise, apply best practices and proven processes, and take pride in making meaningful contributions to complex projects. You enjoy working alongside talented engineers to bring innovative programs to life for our users, and you're energized by challenging work that allows you to deliver exceptional results as part of a dynamic, forward-thinking team.
Job Responsibilities and Expectations
This is not necessarily an all-inclusive list of job-related responsibilities, duties, skills, efforts, requirements, or working conditions. While this is intended to be an accurate reflection of the current job, management reserves the right to revise the job or to require that other or different tasks be performed as assigned.
  • Develop and maintain Windows-based application programs within scheduled timelines.
  • Design and implement user-friendly graphical user interfaces (GUIs).
  • Create testing programs for calibration and production.
  • Document specifications and assist in developing user guides and manuals.
  • Collaborate effectively with team members to deliver reliable, user-focused applications.
  • Work independently on assigned projects, demonstrating strong self-motivation and accountability.
  • Contribute as a team player when needed, supporting collaboration and shared success.
  • Perform additional duties as assigned.
Senior-level engineers will additionally be expected to:
  • Lead application development efforts with minimal guidance.
  • Provide technical direction and mentorship to junior team members.
  • Drive architectural decisions and contribute to long-term product strategy.
Minimum Qualifications (Mid-Level Software Engineer)
  • 3+ years of professional, hands-on Windows development experience (C# / .NET, C++).
  • Experience developing WinForms and/or WPF/XAML applications; familiarity with MVVM design patterns.
  • Ability to design intuitive and efficient Windows GUIs.
  • Working knowledge of database development (e.g., SQL Server, SQLite).
  • Familiarity with software testing techniques and tools (Unit Testing, Black Box Testing).
  • Experience with source control systems (e.g., Git, SVN).
  • Exposure to communications and command-and-control technologies (Ethernet, RS232/RS485, USB, CAN).
  • Solid understanding of core software development methodologies (Object-Oriented Programming, Agile Development, common design patterns).
  • Strong analytical, problem-solving, and communication skills.
  • Self-motivated with the ability to work independently and collaboratively.
Minimum Qualifications (Senior Software Engineer)
Includes all Mid-Level qualifications plus:
  • 5+ years of professional, hands-on Windows development experience (C# / .NET, C++).
  • 5+ years of significant experience with WinForms and WPF/XAML, including MVVM.
  • Proven ability to build test, calibration, and automation programs for prototypes and manufacturing.
  • Significant experience with communications and command-and-control technologies (Ethernet, RS232/RS485, USB, CAN).
  • Demonstrated ability to independently lead application development from inception to completion.
  • Ability to convey technical information clearly and confidently to diverse audiences.
  • A strong results-driven mindset with a hands-on approach.
Preferred Qualifications (Both Levels)
  • MS or Ph.D. in Science, Engineering, or Computer Science.
  • Experience developing software for test, measurement, or automation systems involving hardware interface and control.
  • Proficiency in web and HTML-based technologies (JavaScript, Angular 2, Node.js, REST API).
  • Expertise in embedded development (RTOS and non-RTOS).
  • Familiarity with FDA/GMP standards and compliance processes.
  • Experience with NI LabVIEW.
  • Coursework or project experience in AI and machine learning.
  • Proficiency with Python, TensorFlow, PyTorch, or similar tools.
  • Contributions to AI-related research, publications, or impactful projects.
Physical Requirements
These physical requirements are not exhaustive, and additional job-related physical requirements may be added to these on an as-needed basis.
  • Ability to remain in a stationary position for extended periods while working at a computer or participating in meetings.
  • Ability to operate a computer, keyboard, mouse, and other standard office equipment.
  • Ability to move within the office environment as needed to collaborate with team members or access equipment.
  • Ability to occasionally lift, carry, or move equipment or materials weighing up to 50 lbs.
What We Offer
At RheoSense, you can build an excellent job that grows into a meaningful and rewarding career. Our comprehensive benefits and workplace culture include:
  • Financial stability through competitive compensation, performance incentives, and retirement plans
  • Training and professional development to support long-term career growth
  • Health and welfare benefits, including medical, dental, vision, life insurance, and wellness programs
  • Paid Time Off (PTO) to support work-life balance
  • Paid parental leave for both maternity and paternity
  • 401(k) retirement savings plan with a company match of up to 4%
  • Employee stock ownership (ISO) opportunities
  • A collaborative, creative, inclusive, and engaging team environment

RheoSense is an equal-opportunity employer and is committed to maintaining a diverse and inclusive workplace.

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