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Mid Level React Developer Jobs in California (NOW HIRING)

Mid level ETL Developer

Folsom, CA ยท On-site

$50 - $60/hr

Mid. Level ETL Developer Start Date: 7/15/2026 TechnicalSkill Set: ETL, PostgreSQL, Data Quality, SQL, Python, Healthcare Data, Azure Data Studio, VS Code, Data Integration, Data Warehousing. TBE ID ...

We work on exciting developer, corporate, and high-technology projects in Silicon Valley and we ... Role Overview We're looking for a talented mid-level Interior Designer-Mid Level This is a great ...

Structural Engineer, Mid-level

Concord, CA ยท On-site

$115K - $150K/yr

We are currently seeking candidates for a full-time Mid-Level Structural Engineer. The position will include performing structural design and analysis of environmental structures such as low-rise ...

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Mid Level React Developer information

See California salary details

$39.5K

$127.7K

$156.4K

How much do mid level react developer jobs pay per year?

As of Aug 7, 2026, the average yearly pay for mid level react developer in California is $127,654.00, according to ZipRecruiter salary data. Most workers in this role earn between $104,600.00 and $154,900.00 per year, depending on experience, location, and employer.

What does a mid level React developer do?

A Mid Level React Developer builds and maintains web applications using the React JavaScript library. They are responsible for developing user interfaces, optimizing application performance, and collaborating with designers and back-end developers to deliver seamless user experiences. Mid Level React Developers often write reusable components, manage application state, and ensure code quality through testing and code reviews. They are expected to have a solid understanding of React concepts, JavaScript ES6+, and related tools like Redux, Webpack, or Babel.

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

To thrive as a Mid Level React Developer, you need strong proficiency in JavaScript, React.js, HTML, and CSS, often supported by a relevant degree or equivalent experience. Familiarity with development tools such as Git, RESTful APIs, and build systems like Webpack or Babel, as well as knowledge of testing frameworks, is typically expected. Effective problem-solving, teamwork, and communication skills help developers collaborate efficiently and adapt to evolving project requirements. These abilities are crucial for building scalable, maintainable applications that meet user needs and business goals.

What are some common challenges faced by mid level React developers when working on larger projects, and how can they be addressed?

Mid-level React developers often encounter challenges such as managing complex component hierarchies, ensuring consistent state management, and maintaining code readability as projects scale. To address these, developers should familiarize themselves with established patterns like Redux or Context API for state management, adopt reusable component structures, and follow best practices for code organization. Regular code reviews and collaborating closely with senior developers and designers also help ensure code quality and project alignment.
What are the most commonly searched types of React Developer jobs in California? The most popular types of React Developer jobs in California are:
What cities in California are hiring for Mid Level React Developer jobs? Cities in California with the most Mid Level React Developer job openings:
Infographic showing various Mid Level React Developer job openings in California as of August 2026, with employment types broken down into 66% Full Time, 26% Part Time, 2% Temporary, and 6% Contract. Highlights an 93% Physical, 3% Hybrid, and 4% Remote job distribution, with an average salary of $127,654 per year, or $61.4 per hour.

Mechanical Engineer (Mid-level)

Fuse Integration

San Diego, CA โ€ข On-site

Full-time

Medical, Dental, Vision, Retirement, PTO

Posted 15 days ago


Job description

Who we are:

Fuse builds innovative communications, networking, and computing solutions that improve the sharing of information, video, text, and voice among operators distributed throughout the airborne, maritime, and ground environments. We are a technology firm creating in-house software, network and hardware solutions that support our noble cause of advancing warfighter capabilities with elegant, user-focused communications, networks, and software systems.

About this role:

Do you thrive in innovative, design-driven environments with a high level of both accountability and trust? Are you passionate about delivering elegant hardware solutions with the right amount of engineering rigor? Are you seeking a technical role where you can take initiative? If so - we want to hear from you!

Fuse is looking for a mid-level Mechanical Engineer to join our team onsite in San Diego, CA. We’re looking for a mechanical engineer that can balance discipline and attention to detail with outside-the-box thinking and an innovative problem-solving attitude. Must be a pragmatic and mission-driven self-starter. Apply your analytical and detail-oriented mindset to develop, own, and improve Fuse’s products for U.S. defense agencies that improve the sharing of information among warfighters distributed throughout airborne, maritime, and ground environments. Through a collaborative effort with the Electrical, Systems, and Production teams, this role will support Fuse Engineering to build communications, networking, and computing solutions for the warfighter. This is a mid-level role with great potential for growth.

Warfighter-focused design and development is at the heart of Fuse processes. Throughout Fuse development our experienced team applies the best practices of commercial design-thinking, coupled to the DoD systems engineering framework. The coupling of commercially proven design with rigorous systems engineering gives Fuse an ability to rapidly design, develop and field solutions well inside of typical military design cycles. Fuse rapidly innovates, putting creative concepts into action and refining those concepts through hands-on testing, user evaluation, and iterations.

What you'll do:

  • Implement mechanical systems, equipment, and packages for customers and internal programs that meet requirements and expectations
  • Support, design, and develop dynamic tactical communications systems
  • Mechanical design and development for sustaining engineering of our flagship and existing products including dynamic tactical communications systems
  • Perform trade studies and participate in equipment selection
  • Generate, review, and maintain mechanical drawings, bills of materials (BOMs), work instructions, and releasing of mechanical prints
  • Interact with vendors to quote and produce mechanical parts and assemblies
  • Participate in engineering/design reviews
  • Conduct feasibility studies and testing on new and modified designs
  • Support prototype and first article hardware builds
  • Support integration between hardware, software, and network systems
  • Conduct and support test planning, execution, and post-event reporting
  • Interpret and research system interface documents in support of designing/defining/documenting how systems will interconnect
  • Translate customer requirements into subsystem and system specifications
  • Provide on-site and distance operational support
  • Limited Travel may be required

Requirements

  • Bachelor’s degree in Mechanical/Aerospace Engineering and 4+ years of experience
  • Familiarity with Engineering Drawing Practices Y14.100 and Geometric Dimensioning and Tolerancing Y14.5
  • Expert level of capability with Solidworks software including experience with eDrawings and Model Based Definition (MBD) of products and assemblies Y14.41
  • Experience with fabrication methods for sheet metal and machined parts with part finishing (powder coat, anodize, Alodine, and plating)
  • Understanding of additive manufacturing processes and fabrication methods for sheet metal and machined parts
  • Understanding of cable routing and its application in enclosures
  • Must be a nimble self-starter who is excited about technology and can think out of the box and suggest powerful new ideas
  • Experience working with production personnel and creating assembly instructions
  • Strong technical, interpersonal, written and verbal skills
  • Ability to operate effectively in a team environment as well as independently
  • Demonstrate ownership and accountability of product designs
  • Ability to obtain US SECRET Clearance
  • US Citizen

Your own unique talents! If you meet some requirements of this position but not 100% of the qualifications outlined above, tell us why you’d be a great fit for this role based on your specific characteristics that align with our values and goals

Nice to have:

  • Experience with commercial and military documentation
  • Experience with presenting technical data to small to medium sized external customer groups (both Technical and programmatic audiences)
  • Experience in design for TEMPEST, EMI MIL-STD-461, MIL-STD-810 (Environmental), MIL-HDBK-516 (Air Worthiness), ARINC 404, and/or ARINC 600 requirements
  • Basic Electrical Engineering knowledge including manufacturing processes for Circuit Card Assemblies and grounding strategies
  • Basic understanding of Configuration Management practices with experience with Solidworks PDM
  • Experience with Solidworks Simulation analysis (or similar software) to include Structural Static/Fatigue, Thermal (Conduction and Convection) and Computational Flow/Fluid Dynamics (CFD)
  • Experience in designing routing cable assemblies using software-based tools such as Solidworks Electrical 3D and Schematics.
  • Experience in system design, testing, and analysis
  • Experience in agile, professional software development environments utilizing revision control, test driven development and continuous integration
  • Active Secret Clearance

More about Fuse:

Founded in 2010, Fuse is a veteran-owned, rapidly growing small business. Our San Diego-based company has earned recognition as an emerging leader in airborne, maritime, and ground networking. Placing the warfighter at the center of every design process, Fuse delivers intuitive, agile, and resilient products that go beyond national security requirements—providing lasting utility and game-changing results. We take pride in our brilliant and talented team as well as our dynamic environment and collaborative, creative, environment. We build cutting-edge hardware and software products that solve complex national security challenges for our warfighters at the tactical edge.

Salary: $95,000 - $130,000

Benefits

  • Medical, Dental, and Vision
    • Employee coverage is fully funded; a portion of dependents' coverage is funded as well
  • 11 paid Federal Holidays
  • Paid Time Off (PTO)
    • Date of hire through second year: 10 days/year (accrued)
    • After two years: unlimited
  • 40 hours of paid sick leave per year
  • 401k with employer matching
  • Annual bonuses
  • Cell phone reimbursement: $100/month