Senior PHP Backend Developer

4 692.05 - 6 348.07 USDNet per month - B2B
PHP

Senior PHP Backend Developer

PHP
aleja Grunwaldzka 472B, Gdańsk

Xelerit

Full-time
B2B
Senior
Remote
4 692.05 - 6 348.07 USD
Net per month - B2B

Job description

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


Tech stack

    English

    C1

    Polish

    C1

    PHP 8

    advanced

    MariaDB

    regular

    Laravel

    regular

Office location

Published: 03.03.2026

About the company

Xelerit

We are Xelerit 🚀 a tech partner for companies in the Netherlands and Poland. We are a hybrid company combining remote work with a modern office in Gdańsk for in-person collaboration. We create smart digital solutions th...

Company profile

Senior PHP Backend Developer

4 692.05 - 6 348.07 USDNet per month - B2B
Summary of the offer

Senior PHP Backend Developer

aleja Grunwaldzka 472B, Gdańsk
Xelerit
4 692.05 - 6 348.07 USDNet per month - B2B
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