Senior PHP Developer (Full-time, Long-term)

We're looking for a Senior PHP Developer to join our Billing Engineering team on a full-time, long-term basis (40 hrs/week). This is an urgent hire -- 1 position available. The Role You’ll own the maintenance, modernization, and evolution of a core billing platform built on a large-scale PHP monolith. This is a high-traffic, business-critical system running on Kubernetes infrastructure. You’ll troubleshoot production issues, drive performance and scalability improvements, and contribute across the full development lifecycle -- from design through deployment. Responsibilities Maintain, modernize, and evolve the billing platform and its components Diagnose and resolve high-impact production issues in a high-traffic environment Drive improvements in performance, scalability, and reliability Produce clear technical documentation for existing and new systems Promote knowledge sharing and best practices across the team Requirements 5+ years of strong professional PHP experience Solid foundation in OOP patterns, Clean Code, and SOLID principles Experience maintaining and improving complex legacy systems Hands-on Docker and AWS experience Experience with AI-assisted development tools (Cursor, Claude Code, or similar) Business-level English (written and spoken) Strong debugging, analytical, and problem-solving skills Nice to Have Kubernetes and Helm experience Queue-based or asynchronous systems Non-relational databases Observability tools (Datadog, Grafana) #J-18808-Ljbffr Odesa.co