Web Developer II

Catalyst Mobility; Pasadena (CA); On-site; USD 72,000 - 86,000; Full time

Benefits offered by this job

Health benefits

401(k) plan

Paid time off

Holidays and sick leave

Job summary

Catalyst Mobility is seeking an experienced Web Developer to build, maintain, and optimize a portfolio of websites. You will work within the Marketing Web Team on WordPress-based sites, implement custom functionality, and ensure accessibility, security, and performance standards.

You will collaborate with marketing, design, IT, and program teams to deliver high-impact digital experiences and support ongoing migrations and a forthcoming rebrand.

Qualifications

• Bachelor's degree in computer science, web development, software engineering, or related field or equivalent experience.
• 5+ years of professional web development, including WordPress website work.
• Proficiency in HTML5, CSS3, responsive design, modern JavaScript, and WordPress themes/plugins.
• Working knowledge of PHP, MySQL, REST APIs, third‑party services, and Git workflows.
• Experience with web accessibility WCAG standards and security/performance practices.
• Ability to troubleshoot across front-end, back-end, CMS, and hosting environments.
• Strong organizational and communication skills for cross‑functional work.

Responsibilities

• Develop, maintain, and enhance websites, landing pages, and web apps using WordPress, PHP, HTML, CSS, JS, and MySQL.
• Independently manage assigned web properties, including maintenance, testing, deployments, and post‑launch support.
• Build/modify WordPress themes, templates, blocks, plugins, and custom functionality.
• Translate designs into accessible, responsive experiences meeting WCAG 2.2 AA.
• Support launches, redesigns, migrations, integrations, and upcoming rebrand efforts.
• Develop and maintain REST API integrations, forms, analytics, CRM systems (Salesforce), and third‑party services.
• Collaborate with Senior Web Developer, designers, marketing, IT, and program teams throughout planning and QA.
• Monitor and improve site performance, security, accessibility, uptime, and Core Web Vitals; maintain documentation.

Skills

HTML5

CSS3

JavaScript

WordPress

PHP

MySQL

REST APIs

Git

WCAG accessibility

Performance optimization

Education

Bachelor's degree in computer science, web development, software engineering, or related field

Equivalent professional experience

Tools

WP Engine

GoDaddy

Cloudflare

AWS

Azure

Google Cloud

Advanced Custom Fields

Gutenberg

WPBakery

Docker

Job description

About Us

CALSTART is now Catalyst Mobility. We are a mission-driven industry organization focused on transportation decarbonization and clean air for all. For over 30 years, it's been Catalyst Mobility's mission to develop, assess, and implement large-scale, zero-emission transportation solutions to mitigate climate change and support economic growth. Catalyst Mobility works with businesses, organizations, governments, and communities to create real-life impact toward clean air and equitable access to clean transportation for all. Catalyst Mobility provides scientific, technical and policy support for regulatory development and clean technology and infrastructure acceleration.

About The Role

The Web Developer will support the development, maintenance, and continuous improvement of our portfolio of websites, helping advance our mission through accessible, reliable, and engaging digital experiences. This role will build and update web pages, develop custom website functionality, troubleshoot technical issues, improve site performance, and help ensure our websites meet security, accessibility, and usability standards. Working within the Marketing Department's Web Team and reporting to the Senior Website Manager, this position will collaborate with marketing, design, communications, program teams, and external partners to bring digital projects to life. This is an opportunity to contribute to high-impact websites and campaigns while supporting an organization working to accelerate clean transportation and create healthier communities.

Duties & Responsibilities

• Develop, maintain, and enhance our websites, landing pages, and web applications using WordPress, PHP, HTML, CSS, JavaScript, and MySQL.
• Independently manage assigned our web properties, including routine maintenance, technical troubleshooting, testing, deployments, and post-launch support.
• Build and modify WordPress themes, templates, reusable components, blocks, plugins, and custom functionality.
• Translate approved designs and business requirements into responsive, accessible, and user-friendly web experiences that meet WCAG 2.2 AA standards.
• Support website launches, redesigns, migrations, integrations, and strategic projects, including the upcoming rebrand and rebuild.
• Develop and maintain integrations with REST APIs, forms, analytics platforms, CRM systems, Salesforce, and other third-party services.
• Collaborate with the Senior Web Developer, designers, Marketing, IT, program teams, and other stakeholders throughout planning, development, quality assurance, and launch.
• Monitor and improve website performance, security, accessibility, uptime, scalability, and Core Web Vitals across our web portfolio.
• Maintain technical documentation and contribute to development standards, reusable components, testing practices, deployment procedures, and Web Team workflows.

Qualifications

• Bachelor's degree in computer science, web development, software engineering, or a related field, or equivalent professional experience.
• Five or more years of professional web development experience, including experience developing and maintaining WordPress websites.
• Strong proficiency in HTML5, CSS3, responsive design, modern JavaScript, and building or modifying WordPress themes, templates, blocks, plugins, or custom functionality.
• Working knowledge of PHP, MySQL, REST APIs, third-party web services, and Git-based development workflows.
• Experience applying web accessibility standards, preferably WCAG 2.1 or newer, along with an understanding of website security, privacy, performance optimization, cross-browser compatibility, and testing practices.
• Ability to independently troubleshoot issues across front-end, back-end, CMS, database, integration, and hosting environments.
• Strong organizational and project administration skills, with the ability to manage multiple assignments across a portfolio of websites.
• Strong communication, collaboration, accountability, adaptability, and problem-solving skills, including the ability to explain technical information to non-technical stakeholders.

Desired Qualifications

• Experience with hosting and infrastructure platforms such as WP Engine, GoDaddy, Cloudflare, AWS, Azure, or Google Cloud.
• Experience with Advanced Custom Fields, Gutenberg, WPBakery, or similar WordPress development tools.
• Experience with CI/CD pipelines, multi-environment deployment workflows, Docker, or containerized local development.
• Familiarity with Salesforce, HubSpot, marketing automation platforms, CRM integrations, Google Analytics, Google Tag Manager, or consent-management tools.
• Familiarity with React, Vue, or another modern JavaScript framework.
• Experience with automated testing tools such as Cypress, Playwright, Jest, or similar technologies.
• Experience supporting website migrations, redesigns, maintenance transitions, data visualizations, GIS tools, or multisite web portfolios.
• Experience working within a nonprofit, public-sector, clean transportation, or other mission-driven organization.

$72,000 - $85,760 a year

We understand that not everyone will match the above qualifications 100%. If your background isn't perfectly aligned but you feel you would be a great addition to the team, we'd love to hear from you. We're a tight-knit team of world-class innovators, business minds, and change agents who believe passionately in our mission and put our team ahead of self. We are committed to the continued development and growth of our employees and invest in your success! We care about your personal well being as much as your professional success and offer generous benefits to full time employees including:

• 100% company paid comprehensive health benefits for Medical, Dental, Vision, Short Term Disability, Long Term Disability and Life Insurance
• Retirement plan with generous company contributions
• FSA for Health and Dependent Care
• 3 weeks of vacation time in the first year of employment
• 11 paid company holidays
• paid sick time
• paid family leave
• and more!

Our inclusive environment focuses on making decisions based on merit without regard to race, color, hair texture, gender, religion, age, nationality, social or ethnic origin, sexual orientation, gender identity, gender expression, LGBTQIA+ status, marital status, pregnancy, disability, genetics, veteran status, or any other characteristic protected by law.