Full Stack developer

Martech React Full Stack DeveloperLocation: New Jersey (Hybrid – 3 days onsite) Type: Contract US Citizens, GC visa holders preferred, NO third-party corp-to-corp accepted for this jobResponsibilitiesDesign and develop responsive, interactive user interfaces using React.js.Build reusable components and front-end libraries for scalability and performance.Translate UI/UX designs and wireframes into high-quality code.Optimize components for maximum performance across devices and browsers.Develop and maintain server-side logic, APIs, and web services using technologies such as Node.js, Python, Java, or Ruby.Design, manage, and interact with SQL/NoSQL databases.Ensure security, integrity, and compliance of all data transactions and backend services.Integrate with external services, third-party APIs, and internal systems.Build a Backend-for-Frontend (BFF) layer tailored to front-end performance and responsiveness needs.Required Skills5+ years of experience in full-stack web development.Strong proficiency in React.js, JavaScript/TypeScript, HTML5, and CSS3.Solid experience with one or more backend languages (Node.js, Python, Java, Ruby).Experience working with relational and/or non-relational databases (e.g., PostgreSQL, MongoDB).Familiarity with RESTful APIs, GraphQL, and modern authentication/authorization mechanisms.Knowledge of version control tools (Git), CI/CD pipelines, and Agile/Scrum methodologies