Senior TYPO3 Developer

Overview

About The Job Senior TYPO3 Developer
NAXCON GmbH , located in the heart of Freiburg, is at the forefront of the German IT and engineering industry.

Position: Senior TYPO3 Developer
Location: Mainz/Koblenz, Germany
Field: IT
Type: Full-time/Mostly remote

The project focuses on the technical development, maintenance, and optimization of central web platforms and collaboration systems within a public sector environment. It includes migration to modern TYPO3 versions (12.4 LTS / 13.4 LTS), operation and enhancement of Nextcloud environments, and the implementation of accessible digital services in line with digital transformation objectives. Services are primarily delivered remotely, with occasional on-site assignments as required.

Responsibilities (Tasks)

• Technical Development: Develop and configure TYPO3 extensions; perform backend development using PHP frameworks such as Laravel and Symfony; implement and maintain modern, scalable web applications and digital services.
• System Optimization & Integration: Integrate and optimize search technologies (e.g., Solr); configure and fine-tune web analytics tools (e.g., Matomo); ensure high system performance, scalability, and reliability.
• Platform Support & Administration: Provide administrative support and continuous improvement for Nextcloud environments; manage web platforms, CMS systems, and hosting environments; perform system monitoring, troubleshooting, and incident resolution.
• Quality Assurance & Compliance: Ensure compliance with accessibility standards (e.g., BITV 2.0); conduct security updates, patches, and vulnerability mitigation; perform testing (functional, integration, system) and maintain technical documentation.
• Consulting & Project Support: Advise stakeholders on web architecture and module design; support planning and execution of deployment and release processes; collaborate in agile development environments and CI/CD pipelines; support knowledge transfer and documentation processes.

Requirements (Qualifications & Skills)

Certifications (Critical for Scoring)

• Valid TYPO3 certifications such as:
• TYPO3 Certified Consultant (TCCC)
• TYPO3 Certified Integrator (TCCI)
• TYPO3 Certified Developer (TCCD)

Technical Skills

• Strong expertise in TYPO3 (v12+)
• Advanced knowledge of PHP 8.x and frameworks (Laravel, Symfony)
• Experience with MySQL / MariaDB
• Hands-on experience with Solr and Nextcloud
• Familiarity with web analytics tools (e.g., Matomo)
• Understanding of web infrastructure, CMS systems, and cloud environments

Methodology & Working Style

• Experience in agile software development (Scrum, Kanban)
• Familiarity with CI/CD pipelines and modern DevOps practices
• Strong analytical and problem-solving skills with a structured working approach

Compliance & Security

• Knowledge of IT security standards and public sector compliance requirements
• Willingness to undergo security clearance (SÜG 1 or equivalent)

Language & Communication

• German language skills: C1 for consulting roles or minimum B2 for technical roles
• Good English communication skills

Additional Requirements

• Residence within the project's operational region (required for remote eligibility)
• Flexibility for occasional on-site assignments
• Ability to work in structured, compliance-driven environments

What We Offer

• Join a cosmopolitan and internationally mixed team with diverse backgrounds and perspectives
• Opportunity to improve German language skills in a supportive environment
• A dedicated contact person within the company for guidance and support
• Professional growth and development across new industries or projects
• Regular team events to promote collaboration and team bonds
• Competitive compensation package commensurate with experience and expertise

Note: This posting reflects current openings; only qualified applicants will be contacted for interviews.