Senior WordPress Developer (m/f/d)

Permanent full‑time position, starting as soon as possible, in Freigericht, Berlin, Leipzig.

Company

CID GmbH is an innovative and dynamically growing IT company that supports organizations worldwide in their digital transformation. With 14 locations across Europe, the United Kingdom, and the United States, we develop solutions that make companies more efficient along the entire digital value chain – from customized software and modern data stacks to cloud‑native architectures and artificial intelligence.

Our work combines consulting, strategic planning, product design, and technical implementation. Through our “Smart Accelerators” framework, we support our customers from the initial idea through to the successful realization of complex IT and software solutions. In doing so, we place particular emphasis on security, scalability, and sustainable value creation.

Our expertise is based on five pillars: digital transformation consulting, modern data stacks and AI, cloud‑native software and transformation, cloud operations and enablement, and cybersecurity. With this broad range of competencies, we design future‑proof, data‑driven, and scalable digital ecosystems that provide our customers with sustainable competitive advantages.

CID works across industries with global brands from manufacturing, retail, financial services, and telecommunications. Through close cooperation with science and research, we continuously develop new approaches to elevate information management and business processes to a new technological level.

Your responsibilities

Development and implementation of custom WordPress themes and plugins tailored to specific client requirements, with a focus on clean, maintainable and scalable code.
Architecture and development of complex WordPress solutions, including custom post types, taxonomies, REST API integrations, advanced content management workflows and more.
Customization and extension of existing WordPress installations, including theme modifications, plugin adaptations, and integration of third‑party services and APIs.
Performance optimization of WordPress websites, including database query optimisation, caching strategies, image optimisation and more.
Implementation of security best practices for WordPress, including hardening measures and vulnerability patching.
Collaboration with UX/UI designers, project managers, and backend teams to translate design concepts and business requirements into functional, responsive WordPress solutions.
Evaluation and recommendation of WordPress plugins, tools, and hosting solutions based on project requirements and scalability needs.

Your profile

Several years of professional experience in WordPress development, including custom theme and plugin development from scratch.
Strong proficiency in PHP as the foundation for all WordPress development work.
Deep understanding of the WordPress core architecture – including the Hook system, the Template Hierarchy, the WP REST API, the WordPress Coding Standards and more.
Solid experience with modern frontend technologies (HTML5, CSS3/SASS, JavaScript/ES6+) and their integration into WordPress themes.
Experience with popular page builders (e.g. Elementor, WPBakery) and the Gutenberg Block Editor, including custom block development.
Familiarity with WooCommerce development and customization is a strong plus.
Experience with version control (Git), CI/CD workflows, and deployment strategies for WordPress projects.
Knowledge of WordPress security best practices, performance optimisation techniques, and SEO fundamentals.
Strong self‑organisation, initiative, and a proactive way of working.
Clear, constructive team communication.

Language skills

Strong English and German skills are mandatory.

Your opportunities at CID …

… are what you make of them. If you want to make a difference, we can help you do so. CID offers you opportunities, experience, and growth in a stable and constantly evolving company. In addition to daily tasks and responsibilities, working at CID provides greater challenges and the opportunity to actively shape the future of the company.

You will become part of a flexible, customer‑oriented, and eager‑to‑learn team that values open communication and a welcoming culture. Our offices and workflows are designed to make onboarding as easy and productive as possible.

You will work on a wide range of groundbreaking projects and products for large companies across various industries, supported by continuous communication and your ability to make important decisions. From the nature of the tasks you are assigned to the opportunities for collaboration with leading technology providers, working at CID offers fantastic conditions to foster your professional development.

We offer a results‑based remuneration package, with the opportunity to take on additional training to boost your personal development.

Other benefits include flexible working, 30 days annual vacation time, an optional company pension, regular team events, a modern canteen/cafeteria and free drinks.

Send your application and we’ll be in touch.

We look forward to hearing from you. Please send a full application, in either German or English, including your salary expectations.

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