Senior Software Backend Engineer

At PetroAPP, we rely on robust and secure backend systems to power high-volume transactions and integrations. We are looking for a Senior Software Backend Engineer who will take ownership of complex backend systems, lead technical initiatives, and mentor other engineers. This role focuses on scalability, performance, and reliability across payment-driven platforms. Roles and Responsibilities• Lead the design and development of scalable backend services using PHP and Laravel • Own complex backend features from design through production • Architect and optimize transaction-heavy systems for performance and reliability • Drive best practices in code quality, testing, and system design • Lead and participate in code reviews • Mentor junior and mid-level engineers • Collaborate with product, engineering, and leadership teams on technical decisions • Improve backend architecture, security, and observability • Ensure backend systems support high availability and growth • Maintain high-quality technical documentation