Senior Backend Engineer – Checkout

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Salla E-Commerce Platform

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51 - 200 employees

مستقبل التجارة الإلكترونية، ابدأ تجارتك بسهولة 🛒

📋 Description

• Design, build, and operate scalable backend services supporting Fintech, Checkout, Promotions, Loyalty, and Payment systems. • Develop clean, maintainable, and high-performance production code with readability and long-term ownership in mind. • Design and evolve RESTful APIs and integrations with internal platforms, payment gateways, and third-party services. • Build reliable distributed systems capable of handling high traffic, failures, and asynchronous workloads. • Drive architectural decisions with scalability, resilience, maintainability, and operational excellence in mind. • Optimize application performance across services, databases, caching layers, queues, and background workers. • Participate in architecture discussions, technical design reviews, RFCs, and engineering planning. • Ensure services are production-ready through monitoring, logging, alerting, testing, and observability best practices. • Write comprehensive unit and integration tests while maintaining high engineering standards through code reviews. • Leverage AI-assisted engineering tools responsibly to accelerate development, debugging, testing, documentation, and code quality. • Mentor junior and mid-level engineers through technical leadership, design discussions, and engineering best practices. • Contribute throughout the full software development lifecycle, from design through deployment and production support. • Continuously improve system reliability, developer experience, and engineering standards across the team.

🎯 Requirements

• 6+ years of professional software engineering experience building production backend systems. • Strong experience building scalable backend services in at least one modern language such as PHP, Go, Java, or C#. • Experience with PHP and Laravel is preferred but not required. • Strong understanding of distributed systems fundamentals, including consistency, availability, concurrency, fault tolerance, idempotency, asynchronous processing, messaging, and caching. • Experience designing and operating high-scale, highly available backend systems. • Proven ability to write clean, maintainable, efficient, and high-performance production code. • Strong understanding of software engineering principles, including SOLID, design patterns, clean architecture, and domain-driven design concepts. • Experience designing RESTful APIs and integrating with third-party platforms and payment providers. • Strong SQL knowledge with experience designing and optimizing MySQL or PostgreSQL databases. • Experience with caching technologies, queues, background workers, and performance optimization. • Experience writing automated tests, participating in code reviews, and working within modern CI/CD pipelines. • Comfortable using AI-assisted development tools to improve productivity, software design, implementation, testing, debugging, documentation, and code reviews.