nanoLogika GmbH is looking for a PHP / Symfony Developer (m/w/d) to further develop our open-source configurator Apto.ONE and implement customer requirements. You will drive technical improvements in code and architecture, conduct code reviews, tests, and documentation, while coordinating technical tasks within the team and supporting the further development of our software architecture and standards. The ideal candidate should have several years of professional experience in software development, preferably in PHP and Angular, along with deep knowledge of PHP, Symfony, Angular, and databases (SQL, data modeling). Team spirit and good communication skills are essential, with fluent German (C1/C2) and strong business-level English.