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Senior Web Application Engineer
Los Angeles, CA, US
Information Technology
Full Time, Full Time
$140000 - $150000
On-site
Other/Non Classified
Los Angeles, CA, US
$140000 - $150000
Full Time, Full Time
Other/Non Classified
On-site
Information Technology
Job details
We are seeking a Senior Web Application Engineer for a full-time, hybrid position based in Los Alamitos, California (two days onsite per week) with a global technology and digital publishing organization. This company builds and supports highly scalable, mission-critical web platforms that power content delivery, membership experiences, eCommerce, and digital services used by professionals and organizations worldwide. The technology stack includes WordPress, PHP, React, JavaScript, TypeScript, and cloud-based integrations.
This is a high-impact opportunity to help modernize large-scale enterprise platforms with global reach. The team is looking for a seasoned engineer who enjoys solving complex problems, working at scale, and influencing the future of a growing digital ecosystem. You’ll gain hands-on ownership of critical systems while collaborating with cross-functional teams in an environment that values performance, accessibility, reliability, and thoughtful engineering. This role offers strong technical growth, exposure to enterprise?level systems, and a balanced hybrid work setup. Required Skills & Experience
· 7–10+ years of experience building and supporting modern, production-grade web applications
· Strong experience with WordPress or Drupal, including custom PHP development and extensibility
· Proven experience supporting high-traffic, enterprise-level websites, including eCommerce platforms
· Experience integrating RESTful APIs and third-party services
· Strong understanding of system design, architectural patterns, and performance optimization
· Ability to collaborate effectively across engineering, product, design, and business teams
· Experience leading or contributing to large technical initiatives or platform-level improvements
Desired Skills & Experience
· Experience in digital publishing, membership platforms, events, or nonprofit environments
· Familiarity with accessibility standards and best practices
· Experience working within complex, large-scale web ecosystems
· Exposure to modern UI frameworks such as Tailwind CSS What You Will Be Doing Tech Breakdown
· 40% Front-End Development (React, JavaScript, TypeScript, HTML, CSS)
· 40% Back-End Development (PHP, WordPress/Drupal, API integrations)
· 20% Architecture, Optimization, and Platform Modernization
Daily Responsibilities
· 70% Hands-On Development
· 15% Technical Planning and System Design
· 15% Team Collaboration and Cross-Functional Work
The Offer
· Bonus eligible
You will receive the following benefits:
· Medical, Dental, and Vision Insurance
· Vacation Time
· Long-term stability within a global organization
Applicants must be currently authorized to work in the US on a full-time basis now and in the future.
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Work changes everything. And at Kelly, we’re obsessed with where it can take you. To us, it’s about more than simply accepting your next job opportunity. It’s the fuel that powers every next step of your life. It’s the ripple effect that changes and improves everything for your family, your community, and the world. Which is why, here at Kelly, we are dedicated to providing you with limitless opportunities to enrich your life—just ask the 300,000 people we employ each year.Kelly is committed to providing equal employment opportunities to all qualified employees and applicants regardless of race, color, sex, sexual orientation, gender identity, religion, national origin, disability, veteran status, age, marital status, pregnancy, genetic information, or any other legally protected status, and we take affirmative action to recruit, employ, and advance qualified individuals with disabilities and protected veterans in the workforce. Requests for accommodation related to our application process can be directed to the Kelly Human Resource Knowledge Center. Kelly complies with the requirements of California’s state and local Fair Chance laws. A conviction does not automatically bar individuals from employment. Kelly participates in E-Verify and will provide the federal government with your Form I-9 information to confirm that you are authorized to work in the U.S.
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