Senior PHP Developer

Who we’re looking for

• 5+ years of commercial PHP development experience.
• Strong knowledge of PHP 8.x and modern backend development practices.
• Deep understanding of OOP, SOLID principles, design patterns, and clean architecture.
• Experience building and maintaining large-scale backend systems.
• Strong experience with Symfony and/or Laravel.
• Advanced knowledge of MySQL, including: Query optimization, Indexing strategies, Replication, Locking mechanisms, High-volume data processing.
• Experience with Redis.
• Hands-on experience with Apache Kafka.
• Understanding of observability, logging, and application profiling.
• Familiarity with Docker and Kubernetes.
• Experience working in CI/CD environments.

What you’ll do

• Design, develop, and optimize key modules of a high-performance PHP platform.
• Ensure reliability, maintainability, and scalability of the codebase.
• Take technical ownership of critical business domains and services.
• Participate in architectural decision-making for a large enterprise monolith.
• Design integration patterns with databases and external systems.
• Improve modularity and maintain clear boundaries between platform components.
• Design efficient data models and storage strategies.
• Optimize MySQL queries and ORM performance under heavy production workloads.
• Work with large datasets and contribute to analytical solutions using ClickHouse.
• Design and maintain asynchronous processing solutions using Apache Kafka.
• Build reliable integrations between internal services and external systems.
• Integrate telemetry into applications using OpenTelemetry-based solutions.
• Analyze application performance and identify bottlenecks.
• Troubleshoot and resolve production incidents.
• Contribute to monitoring, logging, and tracing practices.
• Conduct meaningful code reviews and mentor fellow engineers.
• Promote high development standards and best practices.
• Collaborate closely with Product Managers, QA Engineers, DevOps, and other stakeholders.

About the position

We are looking for an experienced Senior PHP Developer to join our team and take ownership of critical components of a large-scale, high-load platform processing tens of thousands of requests per second and terabytes of data daily. Our core product is a powerful enterprise monolith with a modular architecture. As the business continues to grow, we focus on maintaining exceptional reliability, performance, and scalability while continuously evolving the platform. You will work alongside a team of senior-level engineers, contributing to architectural decisions, optimizing distributed processes, and driving engineering excellence across the organization.

Benefits

• Opportunity to work on a high-load platform handling massive volumes of traffic and data.
• A team composed of senior-level engineers.
• High level of technical ownership and impact.
• Remote-first environment with flexibility across Europe.
• Hybrid and on-site opportunities in Prague, Czech Republic.
• Long-term collaboration on challenging engineering problems.
• 20 vacation days and 5 family days yearly
• Flexible start to the workday
• Support from a professional corporate coach and psychologist
• Regular internal and external activities, workshops, trips, and corporate events
• Access to our internal knowledge base, meetups, and team-building activities
• Ongoing training in new technologies and continuous professional development support