across online and offline channels. Ensure performance, reliability, and security of POS systems in high-volume retail environments. Provide architectural guidance on API-first, microservices-based, and event-driven systems. Lead architecture discussions, solution reviews, and client-facing presentations. Evaluate emerging technologies in retail POS, payments, and digital commerce. Support … Toshiba, Shopify POS, etc.) Strong understanding of retail domain-billing, promotions, inventory, loyalty, returns, and store operations Experience in designing distributed systems and microservices architecture Expertise in API design, integrations, and middleware technologies Strong knowledge of payment systems, including EMV and PCI-DSS compliance. Proficiency in cloud platforms such ...