Senior Backend Developer

As a Senior Backend Developer in our Backend team, you will be a core technical contributor responsible for driving the architecture, scalability, and domain modeling of our high-concurrency Online Gaming & Betting Platform . Working alongside our Backend Architect and Engineering Lead, you will shape the future of our high-throughput platform, which processes real-time betting operations and high-volume financial transactions globally. In this role, you will apply Domain-Driven Design (DDD) principles to model complex business domains into clean, maintainable, and decoupled microservices. You will lead technical design sessions, mentor junior and mid-level engineers, conduct rigorous code reviews, and drive performance optimizations across our RESTful API services, databases, and Docker-based environments. Mission & Responsibilities Architect, design, and write high-performance, fault-tolerant PHP code utilizing Domain-Driven Design (DDD) and SOLID principles. Lead domain modeling discussions, define Bounded Contexts, and establish a Ubiquitous Language between technical and business domains. Maintain rigorous code review standards to enforce code quality, architectural consistency, and system security. Drive continuous performance tuning, database optimization, and refactoring of legacy components. Mentor and guide junior and mid-level developers, fostering continuous technical growth within the team. Partner with QA, DevOps, and Product leadership to ensure rapid, reliable deployment of critical backend services.