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

Production Supervisor

Azusa, CA ยท On-site

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

We're a trusted and strategic partner to engineers, contractors, distributors, specifiers, retailers, and homeowners alike as the manufacturer of precast concrete, polymer concrete, and plastic ...

CNC Grinder 2

Ontario, CA

$20.25 - $27.50/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

We support customers across a wide range of industries with durable, precision-engineered products designed to perform in demanding environments. Essential Duties and Responsibilities * Operate ...

Stormwater Maintenance Technician

Fontana, CA ยท On-site

$22 - $24/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

We're a trusted and strategic partner to engineers, contractors, distributors, specifiers, retailers, and homeowners alike as the manufacturer of precast concrete, polymer concrete, and plastic ...

Stormwater Maintenance Technician

Fontana, CA

$22 - $24/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

We're a trusted and strategic partner to engineers, contractors, distributors, specifiers, retailers, and homeowners alike as the manufacturer of precast concrete, polymer concrete, and plastic ...

Operations Coordinator

Fontana, CA ยท On-site

$25 - $29/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

We're a trusted and strategic partner to engineers, contractors, distributors, specifiers, retailers, and homeowners alike as the manufacturer of precast concrete, polymer concrete, and plastic ...

Electromechanical Technician

Fontana, CA ยท On-site

$28 - $34/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

We're a trusted and strategic partner to engineers, contractors, distributors, specifiers, retailers, and homeowners alike as the manufacturer of precast concrete, polymer concrete, and plastic ...

Plant Supervisor

Fontana, CA ยท On-site

$24 - $30/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

We're a trusted and strategic partner to engineers, contractors, distributors, specifiers, retailers, and homeowners alike as the manufacturer of precast concrete, polymer concrete, and plastic ...

... engineered solutions to meet the demanding requirements of its diverse clientele. Pexco is a ... polymer parts. In addition, Pexco offers a wide range of differentiated, value-added services ...

Operations Coordinator

Fontana, CA

$25 - $29/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

We're a trusted and strategic partner to engineers, contractors, distributors, specifiers, retailers, and homeowners alike as the manufacturer of precast concrete, polymer concrete, and plastic ...

Showing results 41-60

Polymer Developer information

What is a Polymer Developer?

A Polymer Developer is a software engineer who specializes in building web applications using the Polymer library, an open-source JavaScript library developed by Google. Polymer allows developers to create reusable custom elements and leverage web components to build fast, modular, and scalable web applications. Polymer Developers often work on front-end development, focusing on creating user interfaces that are both responsive and maintainable. They typically need strong skills in JavaScript, HTML, CSS, and an understanding of modern web standards.

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

To thrive as a Polymer Developer, you need a solid background in materials science, chemistry, and polymer engineering, often supported by a relevant degree. Familiarity with laboratory analysis tools (like DSC, FTIR, and GPC), polymer processing equipment, and knowledge of industry standards or certifications is typically required. Strong problem-solving abilities, attention to detail, and effective teamwork distinguish top performers in this field. These skills are vital to ensure the development of innovative, high-quality polymer materials that meet performance and safety requirements.

What are some common challenges Polymer Developers face when integrating web components into large-scale applications?

Polymer Developers often encounter challenges with compatibility and interoperability when integrating web components into large-scale applications, especially if the project involves legacy code or third-party frameworks. Ensuring consistent styling and behavior across different browsers can require additional polyfills and testing. Collaboration with front-end and back-end teams is crucial to establish clear component APIs and maintain code modularity. Successful developers proactively address these issues through thorough documentation, robust testing, and regular communication with cross-functional teams.

What is the difference between Polymer Developer vs Front-End Developer?

AspectPolymer DeveloperFront-End Developer
Required SkillsProficiency in Polymer, JavaScript, HTML, CSS, Web ComponentsProficiency in HTML, CSS, JavaScript, frameworks like React, Angular, Vue
Work EnvironmentDeveloping custom web components using Polymer for modern web appsBuilding user interfaces across various frameworks and technologies
Industry UsageUsed in companies adopting Polymer for web component developmentCommon across industries for general front-end development

Polymer Developers specialize in creating web components using the Polymer library, focusing on custom, reusable UI elements. Front-End Developers have a broader role, working with multiple frameworks and technologies to build complete user interfaces. While both roles require HTML, CSS, and JavaScript skills, Polymer Developers focus on Polymer-specific skills, whereas Front-End Developers have a wider tech stack and project scope.

Is polymer technology a good career?

A career as a polymer developer involves designing and developing polymer materials for various industries, requiring knowledge of chemistry, materials science, and laboratory skills. The field offers opportunities in manufacturing, research, and product development, often requiring specialized education and experience. Job prospects depend on industry demand and technological advancements in polymers and plastics.

What are popular job titles related to Polymer Developer jobs in Rancho Cucamonga, CA?

For Polymer Developer jobs in Rancho Cucamonga, CA, the most frequently searched job titles are:

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

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

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

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

Infographic showing various Polymer Developer job openings in Rancho Cucamonga, CA as of August 2026, with employment types broken down into 79% Full Time, 3% Part Time, and 18% Contract. Highlights an 81% Physical, 4% Hybrid, and 15% Remote job distribution.

Production Supervisor

CRH

Azusa, CA โ€ข On-site

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 6 days ago


Job description

Job ID:  525437

Exempt

Oldcastle, a CRH company, is reinventing what's possible in building solutions. We are the leading provider of innovative outdoor living products and utility infrastructure solutions for the water, energy, and communications markets throughout North America. We're a trusted and strategic partner to engineers, contractors, distributors, specifiers, retailers, and homeowners alike as the manufacturer of precast concrete, polymer concrete, and plastic infrastructure products. Our portfolio of brands includes Oldcastle APG, Oldcastle Infrastructure, Belgardยฎ hardscape, Echelonยฎ Masonry, RDIยฎ railing, Catalystโ„ข Fence Solutions, Sakreteยฎ packaged concrete, Amerimixยฎ mortar, Pebble Technology Internationalยฎ pool finishes, and Technisealยฎ sands and sealant technologies.

Job Summary

The Production Supervisor is responsible for leading a manufacturing production team to work injury-free/incident free in a manufacturing environment. They will provide leadership and direction for their team in a way that motivates them to meet all productivity, safety, and quality goals. They are driven to continually improve performance and embrace changes that will help both their team and company meet production standards. They normally will lead a team of 10-20 team members.โ€ฏ 

Job Location

This position will be located at our plant in Azusa, CA.

 Job Responsibilities

  • Ensures a safe workplace is maintained and there is a safety mindset in all things we do

  • Follows, and ensures others follow, all policies, standards, and safety requirements defined by the company

  • Drives safety excellence through promoting employee involvement, ownership, and accountability to proactively eliminate hazards

  • Hires, schedules, and supervises full time staff and additional temporary staff

  • Provides coaching and corrective feedback timely as well as administers disciplinary processes up to and including termination, as necessary

  • Performs timely quarterly and annual reviews for all team members

  • Facilitate team development and growth, employee skill development, problem-solving and resolution

  • Oversees all process documentation and training program procedures for consistency of operational tasks, and the safety and cleanliness of the workplace

  • Ensures a quality product is being produced and all quality processes are being followed

  • Works directly with Quality Control, Engineering, and Maintenance, to improve quality, streamline efficiencies and reduce operating expenses

  • Tracks productivity for measured efficiency and improvement and operates at or below the budgeted cost for production utilizing lean manufacturing procedures and cross training

  • Oversees adherence to inventory control procedures to ensure inventory accuracy goals are constantly achieved

  • Assist with troubleshooting and solving production issues

  • Performs other duties as requested by management

Job Requirements

  • Minimum one year of supervisory experience required, manufacturing environment preferredโ€ฏ 

  • High school diploma or equivalent required, college degree preferredโ€ฏโ€ฏ 

  • Proficient in Microsoft Officeโ€ฏincluding Word and Excelโ€ฏ 

  • Ability to perform basic mathematical skills such asโ€ฏcalculating percentagesโ€ฏand volumesโ€ฏโ€ฏโ€ฏ 

Compensation

  • Base salary range of 70,000 - 75,000 per year โ€‹โ€‹
  • Target annual bonus 5%
  • 401(k) planโ€‹ / group retirement savings programโ€‹
  • Short-term and long-term disability benefitsโ€‹โ€‹
  • Life insuranceโ€‹
  • Health, dental, and vision insuranceโ€‹
  • Paid time off โ€‹
  • Paid holidays

What CRH Offers You

  • Highly competitive base pay
  • Comprehensive medical, dental and disability benefits programs
  • Group retirement savings program
  • Health and wellness programs
  • An inclusive culture that values opportunity for growth, development, and internal promotion

About CRH

CRH has a long and proud heritage. We are a collection of hundreds of family businesses, regional companies and large enterprises that together form the CRH family. CRH operates in a decentralized, diversified structure that allows you to work in a small company environment while having the career opportunities of a large international organization.

If youโ€™re up for a rewarding challenge, we invite you to take the first step and apply today! Once you click apply now, you will be brought to our official employment application. Please complete your online profile and it will be sent to the hiring manager. Our system allows you to view and track your status 24 hours a day. Thank you for your interest!

Oldcastle Infrastructure, a CRH Company, is an Affirmative Action and Equal Opportunity Employer.

EOE/Vet/Disability

CRH is an equal opportunity employer.  All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, status as a protected veteran or any other characteristic protected under applicable federal, state, or local law. 

AI tools may be used in certain stages of the employment lifecycle, such as candidate review; however, all final employment decisions will be made by a person.