**Position:** Senior Full Stack Developer **Organization:** O\-Trade \& Logistics **Job Description:** Senior Full\-Stack Developer has strong expertise in front\-end development and solid back\-end skills to help build and optimize scalable eCommerce solutions. He/ She will emphasize hands\-on coding, problem\-solving, and feature delivery across both web and mobile platforms. The ideal candidate has deep front\-end expertise and good knowledge of Flutter to extend user experiences into cross\-platform mobile applications. **Key Responsibilities:** **Front\-End Development (Primary Focus)** * Develop responsive, user\-friendly interfaces using **React**, **Angular**, or **Vue.js**. * Implement core eCommerce features (product catalog, shopping cart, checkout, customer accounts). * Deliver **mobile\-first, accessible designs** with consistent performance across browsers and devices. * Build and maintain **Flutter\-based mobile UIs** integrated with backend systems. * Optimize performance for high\-traffic environments, ensuring speed and SEO compliance. **Back\-End Development** * Build and maintain APIs and services using **.NET (ASP.NET Core, Entity Framework, C\#)**. * Integrate front\-end applications with RESTful APIs and microservices. * Contribute to database design, query optimization, and data access patterns (SQL Server, PostgreSQL, NoSQL). * Implement authentication, authorization, and security best practices. **Collaboration \& Delivery** * Work closely with product managers, designers, and back\-end engineers to deliver business features. * Participate in agile ceremonies and ensure tasks are delivered on time with high quality. * Collaborate with the Tech Lead to align implementation with architectural standards. * Contribute to technical discussions but remain focused on **execution and delivery**. **Quality \& Continuous Improvement** * Write clean, maintainable, and testable code with automated testing (unit, integration, end\-to\-end). * Conduct and participate in peer code reviews. * Suggest improvements to development processes, tools, and workflows. * Stay updated on front\-end, Flutter, and eCommerce technology trends. **Qualifications:** * Bachelors degree in Computer Science, Software Engineering, or equivalent practical experience. * **5\+ years** of professional experience in full\-stack development. * Deep expertise in **JavaScript (ES6\+), TypeScript**, HTML5, and CSS3 (SASS/LESS). * Strong proficiency in **React**, **Angular**, or **Vue.js**, with experience in state management (Redux, NgRx, Vuex). * **Good knowledge of Flutter** for mobile development. * Solid back\-end skills in **.NET (ASP.NET Core, C\#)** and database technologies (SQL Server, PostgreSQL, NoSQL). * Experience integrating with RESTful APIs and GraphQL services. * Familiarity with cloud platforms (Azure preferred; AWS is a plus). * Strong problem\-solving, debugging, and optimization skills. * Excellent communication and collaboration abilities.