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Full Time

Senior Full-Stack WordPress Developer (Performance, Booking Plugin, and API Integrations/ 3 days ago

ADii Sports Inc
$20 - $30 /hourly
Application ends: 2025-12-01

About the Company

We operate a growing network of airport shuttle and executive transportation brands across Washington State, including Seattle Shuttle, SeaTac Shuttle, Tacoma Shuttle, Olympia Shuttle, and others. Our websites are WordPress-based and serve thousands of monthly users booking airport rides, cruise transfers, and corporate travel.

We are seeking a senior full-stack WordPress developer to take ownership of performance optimization, booking system customization, and API integrations across our entire platform.

Responsibilities

Website Performance & Optimization

  • Improve Core Web Vitals (LCP, CLS, TBT, FID) across multiple WordPress sites.
  • Configure caching layers (WP Super Cache, Redis) and Bunny CDN integration.
  • Optimize code, images (WebP/AVIF), CSS/JS delivery, and database performance.

Booking Plugin Development

  • Customize and extend our existing WordPress booking plugin for airport shuttle reservations.
  • Integrate third-party APIs such as Google Maps Distance Matrix, Stripe, Twilio (OTP/SMS), and GA4.
  • Implement dynamic fare calculations, round-trip logic, and mobile-first booking UX.
  • Ensure data validation, secure processing, and clean admin management tools.

Full-Stack Development & Maintenance

  • Develop and maintain custom WordPress themes and plugins (PHP, JavaScript, HTML, CSS).
  • Manage DreamHost VPS performance, SSL, and DNS configuration.
  • Maintain staging environments, Git version control, and deployment workflows.
  • Conduct regular updates, backups, and security audits.

Technical SEO & Schema

  • Collaborate with marketing to implement structured data (LocalBusiness, Service, FAQ).
  • Support Search Generative Experience (SGE) and Answer Engine Optimization (AEO) efforts through clean code and schema integration.

Qualifications

  • 4+ years of full-stack WordPress development (PHP, MySQL, JavaScript).
  • Proven experience optimizing site performance and Core Web Vitals.
  • Strong understanding of WordPress plugin architecture, hooks, and REST API.
  • Hands-on experience with DreamHost or similar VPS hosting environments.
  • Experience integrating APIs (Google Maps, Stripe, Twilio, GA4, etc.).
  • Familiarity with caching, CDN systems (Bunny, Cloudflare), and security hardening.
  • Proficiency with Git and modern staging/deployment workflows.

Preferred Experience

  • Elementor performance tuning and lightweight custom templates.
  • Experience with Rank Math or Yoast Local SEO.
  • Knowledge of schema markup and structured data validation.
  • Previous work on booking or transportation-related systems.

What Success Looks Like

  • All websites consistently achieve 90+ mobile Lighthouse scores.
  • The booking plugin runs smoothly with real-time fare logic and no downtime.
  • APIs are fully stable, monitored, and error-free.
  • Secure, fast, and well-maintained WordPress ecosystem across multiple brands.

Application Instructions

Please include in your application:

  • Links to 2–3 optimized WordPress sites you’ve worked on (with PageSpeed or GTmetrix scores).
  • Example(s) of custom plugins or booking systems you’ve developed.
  • Your hourly rate and weekly availability.
  • A short summary of your experience with DreamHost, Bunny CDN, or API integrations.

Why Join Us

  • Work directly with a growing multi-brand transportation network.
  • Take full ownership of performance and technical direction across multiple domains.
  • Long-term, steady remote engagement with flexible hours.
  • Real impact — your optimizations directly improve user bookings and revenue.

Job Type: Part-time
Pay: $20.00 - $30.00 per hour
Expected hours: 20 per week
Work Location: Remote

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ADii Sports Inc

ADii Sports Inc

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