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Senior CMS Engineer (PHP / WordPress / React) – Part-Time

We’re looking for a Senior CMS Engineer to support one of our clients in the development and maintenance of multiple high-traffic websites. This is a part-time role (approx. 50%) with a commitment until the end of the year, and a possible extension.

You’ll work on custom WordPress solutions, contribute to a component-driven architecture, and collaborate with a small, experienced engineering team. The ideal candidate is an independent problem-solver with strong experience in PHP, WordPress, React, and system design.

Start: within 2 weeks

Salary rate: up to 38EUR/h

Engagement: approx. 20 hours/week (flexible setup possible)

Contract type: B2B

Location: Remote

Duration: Until end of year, with potential extension

Interview process: Short tech screening + client interview

Key Responsibilities:

Develop and maintain scalable, custom WordPress websites
Refactor legacy codebases and simplify architecture
Contribute to a shared theme system used across multiple platforms
Implement component-based UI and design systems
Follow best practices for accessibility (WCAG 2.1), code quality, and performance
Work with enterprise-level tools such as VIP CLI and adhere to WordPress coding standards
Manage tasks independently with minimal oversight
Handle multiple projects in parallel with a focus on quality and maintainability

Requirements

Must-Have Requirements:

Advanced PHP development skills
Proven experience in custom WordPress development (beyond plugin/theme configuration)
Strong skills in React and system architecture/design
Background in complex technical environments
Ability to work independently and proactively
Familiarity with large-scale WordPress environments (VIP platform, scalability, performance)

Nice-to-Have:

Experience with Twig, Timber, Tailwind, Sass
Automated testing and CI/CD workflows
Familiarity with WP CLI and enterprise WordPress workflows
Awareness of security and DevOps practices
Component-driven development experience

Benefits

In return, we offer:

100% remote, flexible work;
work with an experienced team of developers and continuous development of your hard and soft skills;
dev-friendly processes such as Continuous Integration, Continuous Delivery, Code Review and bug bashes;
long-term collaboration on challenging products (FinTech, B2B software, E-commerce and more).

What will happen next?

We would like to know you better, so we will invite you for a meeting with our recruiter.
Next, you'll be asked to solve the task or invited to an interview with technical person.
If everything goes well, you will meet your future leader at the final online interview.

Looking for a full-time job? Check out our and find out more about our open recruitment processes.

If you need any disability-related adaptation at any step of the recruitment process – simply let the recruiter know! We'd be happy to help.

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(Senior) WordPress Developer - Freelance