1

Flex Developer Jobs in Rancho Cucamonga, CA (NOW HIRING)

Crown Technical Systems, a Flex Company, is a leader in power distribution and protection systems ... In charge for process-engineering capabilities focused on cost, quality and delivery improvements ...

Test Engineer

Fontana, CA · On-site

$65K - $89K/yr

Crown Technical Systems, a Flex Company, is a leader in power distribution and protection systems ... Reporting to the Electrical Engineering Manager, the Test Engineer will be responsible for ...

Proposal Engineer

Fontana, CA · On-site

$72K - $99K/yr

Crown Technical Systems, a Flex Company, is a leader in power distribution and protection systems ... T he Estimation Engineer will be responsible for collaborating with our engineering department ...

Test Engineering Manager

Fontana, CA · On-site

$122K - $168K/yr

Crown Technical Systems, a Flex Company, is a leader in power distribution and protection systems ... Reporting to the Director, Design & Engineering the Test Engineering Manager will be responsible ...

Process Engineer

Fontana, CA · On-site

$86K - $118K/yr

Crown Technical Systems, a Flex Company, is a leader in power distribution and protection systems ... The " Process Engineer " will be based in Fontana, Ca , reporting to the Director of Engineering.

Test Engineer

Fontana, CA · On-site

$65K - $89K/yr

Crown Technical Systems, a Flex Company, is a leader in power distribution and protection systems ... The Electrical Test Engineer will contribute to the overall testing of manufacturing projects ...

Lead Engineer

Fontana, CA

$105K - $144K/yr

Crown Technical Systems, a Flex Company, is a leader in power distribution and protection systems ... The Lead Engineer will guide engineering design decisions, coordinate validation and test ...

Electrical Test Technician

Fontana, CA · On-site

$21.96 - $29.64/hr

Crown Technical Systems, a Flex Company, is a leader in power distribution and protection systems ... Report to the Electrical Engineering Manager, the Electrical Test Technician is responsible for ...

Proposal Engineer

Fontana, CA · On-site

$72K - $99K/yr

Crown Technical Systems, a Flex Company, is a leader in power distribution and protection systems ... T he Estimation Engineer will be responsible for collaborating with our engineering department ...

Crown Technical Systems, a Flex Company, is a leader in power distribution and protection systems ... T he Estimation Engineer will be responsible for collaborating with our engineering department ...

Test Engineering Manager

Fontana, CA · On-site

$122K - $168K/yr

Crown Technical Systems, a Flex Company, is a leader in power distribution and protection systems ... Reporting to the Director, Design & Engineering the Test Engineering Manager will be responsible ...

Crown Technical Systems, a Flex Company, is a leader in power distribution and protection systems ... Reporting to the Director of Engineering, the Sr. Electrical Engineering Manager provides strategic ...

Lead Engineer

Fontana, CA · On-site

$105K - $144K/yr

Crown Technical Systems, a Flex Company, is a leader in power distribution and protection systems ... The Lead Engineer will guide engineering design decisions, coordinate validation and test ...

Electrical Test Technician

Fontana, CA · On-site

$21.96 - $29.64/hr

Crown Technical Systems, a Flex Company, is a leader in power distribution and protection systems ... Report to the Electrical Engineering Manager, the Electrical Test Technician is responsible for ...

Project Manager

Fontana, CA · On-site

$75K - $103K/yr

Crown Technical Systems, a Flex Company, is a leader in power distribution and protection systems ... Bachelor's Degree in Engineering, Project Management, or other related field preferred. * At least ...

Material Handler

Fontana, CA

$18.59 - $25.10/hr

Crown Technical Systems, a Flex Company, is a leader in power distribution and protection systems ... General understanding of blueprints, wiring drawings, schematics, or engineering diagrams

Crown Technical Systems, a Flex Company, is a leader in power distribution and protection systems ... engineering drawings. * Excellent written and verbal communication skills * Basic math skills to ...

Material Handler

Fontana, CA · On-site

$18.59 - $25.10/hr

Crown Technical Systems, a Flex Company, is a leader in power distribution and protection systems ... General understanding of blueprints, wiring drawings, schematics, or engineering diagrams

Crown Technical Systems, a Flex Company, is a leader in power distribution and protection systems ... Confer with supervisors or engineers to plan, review work activities, or to resolve production ...

Building Wireman (2nd Shift)

Fontana, CA · On-site

$18.59 - $25.10/hr

Crown Technical Systems, a Flex Company, is a leader in power distribution and protection systems ... Confer with supervisors or engineers to plan, review work activities, or to resolve production ...

next page

Showing results 1-20

Flex Developer information

See Rancho Cucamonga, CA salary details

$10

$44

$86

How much do flex developer jobs pay per hour?

As of Aug 25, 2026, the average hourly pay for flex developer in Rancho Cucamonga, CA is $44.50, according to ZipRecruiter salary data. Most workers in this role earn between $23.72 and $56.92 per hour, depending on experience, location, and employer.

What is a flex developer?

A Flex Developer is a software developer who specializes in building applications using Adobe Flex, a framework for creating rich internet applications (RIAs) that run on Adobe Flash Player or Adobe AIR. They use ActionScript, MXML, and other web technologies to develop interactive and multimedia-rich user interfaces. Flex Developers often work on enterprise applications, dashboards, or media-heavy applications that require a high level of engagement. Although Adobe has discontinued support for Flash Player, some legacy systems still require Flex expertise.

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

To thrive as a Flex Developer, you need strong proficiency in programming languages such as ActionScript and frameworks like Adobe Flex, along with experience in UI/UX development for web and desktop applications. Familiarity with integrated development environments (IDEs) such as Adobe Flash Builder and knowledge of related technologies like XML, Java, or web services is important, and certifications in software development can be advantageous. Excellent problem-solving skills, attention to detail, and effective collaboration with designers and back-end developers are highly valued soft skills. These qualifications are essential to efficiently build, maintain, and enhance dynamic, user-friendly enterprise applications that meet client requirements.

What are the typical projects or responsibilities for a flex developer?

Flex Developers are commonly responsible for designing, coding, and maintaining interactive applications using Adobe Flex, often integrating these with back-end services and databases. They typically collaborate with UI/UX designers to implement visually appealing and user-friendly interfaces, and work hand-in-hand with QA teams to troubleshoot and resolve application bugs. Projects may range from internal enterprise dashboards to customer-facing web applications, depending on the organization's focus. Additionally, Flex Developers are often expected to stay updated with evolving frameworks and contribute to optimizing existing applications for better performance and scalability.

What are the most commonly searched types of Developer jobs in Rancho Cucamonga, CA?

The most popular types of Developer jobs in Rancho Cucamonga, CA are:

What job categories do people searching Flex Developer jobs in Rancho Cucamonga, CA look for?

The top searched job categories for Flex Developer jobs in Rancho Cucamonga, CA are:

What cities near Rancho Cucamonga, CA are hiring for Flex Developer jobs?

Cities near Rancho Cucamonga, CA with the most Flex Developer job openings:

Infographic showing various Flex Developer job openings in Rancho Cucamonga, CA as of August 2026, with employment types broken down into 83% Full Time, 4% Part Time, and 13% Contract. Highlights an 77% Physical, 6% Hybrid, and 17% Remote job distribution, with an average salary of $92,563 per year, or $44.5 per hour.

$86K - $118K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 13 days ago


Job description

Crown Technical Systems, a Flex Company, is a leader in power distribution and protection systems concentrating on sophisticated, state-of-the-art relay and control panels, medium voltage switchgear, and enclosures (power/control buildings/ E-Houses). We specialize in customized, turn-key solutions that ensure safe, secure, and reliable power distribution.

Working at Crown Technical Systems offers a dynamic and rewarding career path for individuals seeking to power the world. Through hands-on training, mentorship, and a culture of internal promotion, we empower you to reach your full potential and contribute to projects that truly matter.

Job Summary

Summary:

The Process Enginee will be based in Fontana, Ca, reporting to the Director of Engineering.

In charge for process-engineering capabilities focused on cost, quality and delivery improvements in order to hold up a manufacturing organization.

Responsibilities:

  • Recognize the manufacturing process, technologies, techniques and the product.
  • Define, implement and evaluate proposed designs and processes for manufacturability.
  • Have the capability to singly or with other engineering stakeholders identify root causes of failures in the manufacturing process.
  • High level participation in daily production activities and effective problem solving on daily issues.
  • Prepare justification, purchase and implement capital equipment for production.
  • Hold up and oversee new process equipment production.
  • Hold up the raising and introduction of engineering change orders (ECOs).
  • Establish robust, repeatable and reproducible process parameters.
  • Develop, implement and take ownership of process control methodologies.
  • Trouble shoot process related issues.
  • Participate in activities pertaining to cycle time and process improvements.
  • Evaluate and select various engineered materials.
  • Implement statistical process research on new and existing products.
  • Implement safety, productivity and give in improvements.
  • Improve manufacturing techniques and through put.
  • Provide continuous development of manufacturing techniques that will improve in-house capabilities and gives in.
  • Develop and maintain process documentation.
  • Review processing methods.
  • Interface with production of all activities associated with new process implementation and transfer.
  • Assist in the development of training and provide training to production personnel during new technology transfer.
  • Provide equipment maintenance and repair hold up as required.
  • Guide cost improvement/reduction programs.

Qualifications:

  • Typically requires a Bachelor's degree in related field or equivalent experience and training.
  • Typically requires 2 years of experience.

What you'll receive for the great work you provide:

  • Full range of medical, dental, and vision plans
  • Life Insurance
  • Short-term and Long-term Disability
  • Matching 401(k) Contributions
  • Vacation and Paid Sick Time
  • Tuition Reimbursement

Application Deadline:

Applications for this job position will be accepted for at least five days following the job posting start date below and continuing until the end date below or until the position is filled. This posting may close sooner due to application volume.

Job Posting Start Date 08-24-2026 Job Posting End Date

The base pay range for this position is provided below. The final base rate offered will be determined using job-related, non-discriminatory criteria, including but not limited to experience, qualifications, geographic location, education, external market data, and internal equity.

$86,300.00 USD - $118,700.00 USDAnnualJob CategoryProduction EngineeringRelocation:Not eligible

Is Sponsorship Available?

No

Crown is an Equal Opportunity Employer and employment selection decisions are based on merit, qualifications, and abilities. We do not discriminate based on: age, race, religion, color, sex, national origin, marital status, sexual orientation, gender identity, veteran status, disability, pregnancy status, or any other status protected by law. We're happy to provide reasonable accommodations to those with a disability for assistance in the application process. Please email accessibility@flex.com and we'll discuss your specific situation and next steps (NOTE: this email does not accept or consider resumes or applications. This is only for disability assistance. To be considered for a position at Crown, you must complete the application process first).


Flex Personnel logo

About Flex Personnel

Sourced by ZipRecruiter

The Flex Team is made up of Staffing Industry experts committed to serving the needs of businesses and workers by bringing people together. We are guided by our Core values Integrity, Courtesy, and Respect. At Flex we bring Businesses and People together. We carefully assess both the needs of our Business clients and the complete profiles of each candidate, and then make the connections we believe will be most mutually beneficial. With offices in select markets throughout the Country, We are continually expanding our industry reach nationwide.

Industry

Recruiting and staffing services

Company size

11 - 50 Employees

Headquarters location

Dallas, TX, US

Social media