Senior PHP Backend Developer
aleja Grunwaldzka 472B, Gdańsk
Xelerit
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
🌞 26 paid days off per year
📍 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
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.
Senior PHP Backend Developer
Senior PHP Backend Developer
aleja Grunwaldzka 472B, Gdańsk
Xelerit