Senior PHP Developer

About the RoleWe 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.

What You'll DoCore Platform Development• 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.

Architecture & System Design• 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.

Data Layer Optimization• 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.

Event-Driven Architecture• Design and maintain asynchronous processing solutions using Apache Kafka. • Build reliable integrations between internal services and external systems.

Observability & Reliability• 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.

Engineering Excellence• 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.