As a R&D Specialist – Full Stack (Marketplace), you will design, develop, and operate cloud‑hosted e‑commerce applications using Node.js, React.js, and modern micro front‑end architectures. You will build performant APIs and user interfaces, manage data persistence using MySQL and NoSQL stores, and leverage Redis and Memcached for high‑throughput, low‑latency experiences across web and mobile channels. You will collaborate closely with product, architecture, and SRE/DevOps teams to ensure secure, scalable, and observable platforms, from local development through CI/CD pipelines to production environments. Design, develop, and maintain back‑end services and RESTful APIs using Node.js, integrating with relational (MySQL) and NoSQL databases for core e‑commerce capabilities such as catalog, cart, checkout, and payments.Build rich, responsive front‑end experiences in React.js, implementing modular micro front‑end architectures and Webpack‑based build configurations for multiple storefronts and white‑label solutions.Implement and optimize in‑memory caching layers using Redis and Memcached to improve page load times, session handling, and throughput under high traffic.Work with DevOps and platform engineers to containerize services, integrate with CI/CD pipelines, and ensure reliable deployments, monitoring, logging, and alerting across environments.Troubleshoot and resolve production issues across the stack, perform performance tuning and capacity planning, and drive continuous improvements in code quality, test coverage, and developer productivity. Must have:8 to 10 years of software development experienceExperience in full‑stack development with Node.js and React.js, building and maintaining production e‑commerce or high‑traffic web applications.Knowledge of micro front‑end architecture patterns, module federation, and Webpack configuration for bundling, optimization, and code splitting.Practical experience with relational and NoSQL databases (MySQL plus at least one NoSQL store), including schema design, query optimization, and data modeling for e‑commerce domains.It would be good if you had:Expertise with Redis and Memcached (or similar in‑memory caches) for session storage, caching strategies, and performance optimization of web applications.Proficiency with Git‑based workflows and experience working in Agile teams, including code reviews, automated testing, and CI/CD practices.