Senior PHP Backend Developer

We are Xelerit 🚀 a tech partner for companies in the Netherlands and Poland. We are remote-first, but also offer a modern office in Gdańsk for those who enjoy hybrid work. We create smart digital solutions that help businesses grow, adapt, and innovate. Our expertise spans software engineering, cloud, AI & ML, UI/UX and testing. Whether building scalable apps or integrating next-gen tech, we focus on real impact. At Xelerit, we value curiosity, openness, and collaboration in a culture where people enjoy what they do and grow together 🌱 We are looking for a skilled  Senior  PHP Backend Developer to join our client Creon and strengthen their development team Your main responsibilities will include: • Maintaining and improving existing monolithic systems: ERP, WPS (Windows Production System), and Creon Online (an online store). • Implementing automation for repetitive tasks (e.g., call summaries, automated email responses) using 3rd-party and AI tools. • Enhancing the online shopping experience by building an advanced quotation tool for business clients. • Implementing tracking and marketing tools to further increase sales. • Refactoring and optimizing legacy code, including modularization. • Conducting security updates and replacing unsupported packages. • Reworking communication between different applications and improving data uploads. • Writing clean, scalable, and testable code. • Reviewing your team members’ code and suggesting improvements. • Contributing to improvements in application architecture and promoting best practices. Our current stack: • Laravel 12 • PHP 8.3 / 8.4 • MariaDB What we’re looking for: ✅ 5+ years of professional experience ✅ Strong communication skills and ability to understand complex requirements ✅ Ability to collaborate closely with non-technical stakeholders ✅ Excellent knowledge of PHP ✅ Solid experience with Laravel, Symfony, Zend Framework, or similar frameworks ✅ Proven expertise in code refactoring and database optimization ✅ Strong knowledge of OOP and design patterns ✅ Good knowledge of HTML5 and CSS3 ✅ Fluent command of Polish and English (spoken and written) Nice to have: ✅ Experience with DevOps and CI/CD tools ✅ Experience with ERP systems in production ✅ Familiarity with GitLab ✅ Interest in modern AI tools ✅ Familiarity with Azure Our offer: 💲 Long-term B2B cooperation 📍 Full flexibility – work fully remotely or in hybrid mode from our office in Gdańsk 🥇 Personal development budget + private medical care (Medicover) + sports card (Medicover Sport) 🤸‍♂️ A relaxed atmosphere with no bureaucracy or unnecessary formalities