OpenSource International (OSI)
We digitalize networks of European public entities – cities, regions, ministries, universities, hospitals, and more.
Inspired by modern design solutions, cutting-edge web development trends, and our own extensive experience, we create projects that win international awards and delight users year after year.
At OSI, teamwork goes beyond building world-class websites.
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PHP Developer (CodeIgniter / Perfex CRM)
Full Remote · Ukraine · 5 years of experience · English - B1We are looking for a reliable and experienced PHP Developer with strong CodeIgniter expertise to join our team and work on Perfex CRM Responsibilities Develop and enhance features in Perfex CRM Maintain and improve an existing PHP application built on...We are looking for a reliable and experienced PHP Developer with strong CodeIgniter expertise to join our team and work on Perfex CRM
Responsibilities
- Develop and enhance features in Perfex CRM
- Maintain and improve an existing PHP application built on CodeIgniter
- Understand and work with a complex, already deployed business application
- Implement and maintain integrations via REST APIs
- Collaborate using Git for version control
Requirements
- Strong knowledge of PHP and experience working with existing codebases
- Mandatory hands-on experience with the CodeIgniter framework
- Experience with MySQL / MariaDB
- Solid knowledge of JavaScript (mainly jQuery)
- Good understanding of HTML / CSS
- Basic knowledge of REST APIs and system integrations
- Reliable, detail-oriented, and able to work independently
Nice to Have
- Previous experience with CRM systems or complex business applications
We Offer
- Competitive salary
- Work schedule from 10:00 to 19:00 with a lunch break
- 24 paid vacation days plus public holidays
- Opportunities for professional growth within international projects