Sr. PHP developer

We’re looking for a Senior PHP Developer from Ukraine to join our in-house software development team. As part of a cross-functional team, you’ll participate in developing scalable backend solutions and implementing new features that directly impact performance, security, and user experience.

If you`re interested in it, read more!
 

Who are we?  

Centro holding is an international product development company. Our team has over 15 years of expertise in web development, commercial design, affiliate, and online marketing.

Our offices are located in the USA, Canada, Cyprus, Ukraine, Poland and Georgia, etc.

About the project: CentroBill is an information technology company that empowers global merchants to accept payments through debit cards, credit cards, and alternative payment methods. We offer a seamless integration with a variety of Credit Card Acquirers, Payment Service Providers, and Alternative Payment Methods through a unified API. At CentroBill, we are committed to providing seamless payment solutions to businesses worldwide. Our innovative technology and dedicated team help us stay at the forefront of the payment industry.

What you’ll be working on

• Collaborate with cross-functional teams, to define and implement innovative solutions that meet business requirements.
• Write clean, efficient, and maintainable code, following best practices for performance, security, and scalability.
• Participate in code reviews to ensure code quality and adherence to coding standards.
• Troubleshoot, diagnose, and resolve complex technical issues in a timely manner.
• Optimize existing systems and services for performance, stability, and maintainability.
• Keep up-to-date with the latest industry trends, technologies, and best practices in backend development.
• Work independently, managing your own tasks and priorities, while effectively communicating progress and any blockers to the team.

About you – preferred requirements for this role 

• 4 years work experience as a PHP developer; 
• Strong knowledge of PHP 8.1+ and modern language features (typed properties, attributes, enums, etc.);
• Experience with one or more PHP frameworks: Laravel (preferred) or Symfony;
• Solid understanding of OOP principles, SOLID, DRY, KISS;
• Ability to design and build RESTful;
• Proficient with relational databases (MySQL/PostgreSQL), including indexing and query optimization;
• Proficient with NoSQL databases (ElasticSearch, etc);
• Experience with queue systems (e.g., RabbitMQ, SQS);
• Confident use of Git, Composer, and Docker in daily workflow;
• Familiarity with automated testing tools (PHPUnit, etc.);
• Experience working with version control and CI/CD pipelines;
• Comfortable working in Agile/Scrum teams.

• Experience with microservices architecture;
• Background in building or maintaining high-load systems;
• Skills in profiling and performance optimization of PHP code;
• Understanding of DevOps workflows: Docker Compose, Kubernetes, CI/CD (GitHub Actions, GitLab CI, etc.);
• Experience integrating external APIs, payment gateways, etc.

What We Value (Beyond Tech Skills):

• Ability to work independently and take ownership of features or components;
• Strong communication skills and willingness to participate in architectural discussions;
• Commitment to clean code and participation in code reviews;
• Attention to detail and a proactive attitude toward identifying and mitigating technical risks.

Why work with us? 

• Stable work with flexible working hours and hybrid work options;
• Work on a cool project that provides an opportunity for self-realization, and learning;
• Paid vacation days, sick days  and personal days;
• 50% paid English lessons courses;
• Medical insurance program;
• Friendly team, minimum bureaucracy and pleasant working atmosphere;
• Opportunities for career growth and development;
• Collaborative and inclusive work environment.

We look forward to receiving your application!