Contributed to the development of full-scale Point of Sale (POS) systems leveraging Angular for the frontend and .NET Core for backend services. Designed and implemented responsive and user-friendly UI features in Angular to streamline cashier workflows and enhance customer experience. Built and optimized RESTful APIs in .NET Core to support payment processing, document synchronization, and real-time data exchange across distributed systems. Integrated payment providers and implemented secure transaction flows, ensuring compliance with industry standards. Developed backend modules for synchronizing documents, invoices, and stock data across multiple stores and environments. Worked extensively with SQL Server for schema design, stored procedures, performance tuning, and large-scale data operations. Collaborated within an Agile environment, actively participating in sprint planning, code reviews, and cross-functional discussions with product owners and stakeholders. Applied clean architecture principles and best practices to ensure maintainability, scalability, and robustness of the codebase. Demonstrated strong problem-solving skills, adaptability to new tools and technologies, and initiative in optimizing business-critical processes. Contributed to a culture of teamwork and continuous improvement, consistently delivering high-quality features within deadlines.…Contributed to the development of full-scale Point of Sale (POS) systems leveraging Angular for the frontend and .NET Core for backend services. Designed and implemented responsive and user-friendly UI features in Angular to streamline cashier workflows and enhance customer experience. Built and optimized RESTful APIs in .NET Core to support payment processing, document synchronization, and real-time data exchange across distributed systems. Integrated payment providers and implemented secure transaction flows, ensuring compliance with industry standards. Developed backend modules for synchronizing documents, invoices, and stock data across multiple stores and environments. Worked extensively with SQL Server for schema design, stored procedures, performance tuning, and large-scale data operations. Collaborated within an Agile environment, actively participating in sprint planning, code reviews, and cross-functional discussions with product owners and stakeholders. Applied clean architecture principles and best practices to ensure maintainability, scalability, and robustness of the codebase. Demonstrated strong problem-solving skills, adaptability to new tools and technologies, and initiative in optimizing business-critical processes. Contributed to a culture of teamwork and continuous improvement, consistently delivering high-quality features within deadlines.WWWW…