Senior PHP Drupal Engineer - SEO & Performance Lead

Appliscale sp. z o.o; Kraków; On-site; PLN 180,000 - 240,000; Full time

Job summary

Appliscale sp. z o.o is seeking an experienced Senior PHP Drupal engineer to own architecture, performance, security and deployments for a high-impact production site driving critical SEO traffic.

You will work with a technically autonomous SEO team, bridging backend Drupal development with modern front-end needs. Responsibilities include building Drupal 10 modules, implementing technical SEO, deploying apps, monitoring with Datadog, and ensuring security and updates.

Qualifications

• 6+ years of production software development experience.
• Hands-on experience in Drupal 10 custom module development.
• Strong mastery of PHP 8.x, Symfony, and Twig.
• Solid understanding of technical SEO principles (URL structure, redirects, page speed, structured data).
• Proactive, autonomous mindset with end-to-end ownership.
• Familiarity with TypeScript and JavaScript.
• SCRUM/Kanban Agile experience.
• Proficient in English.

Responsibilities

• Developing custom Drupal 10 modules using PHP 8.x, Symfony components, and Twig templating.
• Driving technical SEO implementation including URL structure, redirects, Core Web Vitals, and structured data.
• Performing deployments of the applications.
• Monitoring system health and site performance with Datadog.
• Executing security patches and Drupal updates.
• Supporting editorial CMS workflows and contributing to headless CMS architecture.
• Debugging issues and scoping feature complexity.
• Participating in on-call rotation.

Skills

Autonomous mindset

English proficiency

Agile SCRUM/Kanban

Education

Computer Science degree

Tools

Drupal 10

PHP 8.x

Symfony

Twig

TypeScript

JavaScript

AWS

Docker

CircleCI

Datadog

Job description

Appliscale sp. z o.o is seeking an experienced Senior PHP Drupal engineer to own architecture, performance, security and deployments for a high-impact production site driving critical SEO traffic.

You will work with a technically autonomous SEO team, bridging backend Drupal development with modern front-end needs. Responsibilities include building Drupal 10 modules, implementing technical SEO, deploying apps, monitoring with Datadog, and ensuring security and updates.