Senior React.js Front-end Developer

Description

Job Summary: We are seeking a Senior Front-end Developer to act as the Front-end Owner, ensuring best practices, code quality and consistency, and developing robust and scalable interfaces. Key Highlights: 1. Front-end Owner, ensuring best practices and code quality 2. Design System creation and maintenance for standardization 3. Development of robust and scalable interfaces with React HRE GROUP is supporting an Anti-Fraud startup in hiring a Senior Front-end Developer for fully remote work. * Serve as the Front-end Owner, ensuring the team follows best practices in coding, maintaining quality and consistency. * Be responsible for creating and maintaining Design System components, ensuring reuse and interface standardization across all projects. * Develop and maintain robust and scalable user interfaces using React. * Collaborate with design and back-end teams to translate wireframes and designs into high-quality code. * Ensure application optimization, performance, and usability. * Conduct code testing and debugging to ensure product stability. * Participate in code reviews to maintain development quality and consistency. * Contribute to software architecture and technical decision-making. * Integrate the front-end layer with back-end services. Requirements: * Proven experience developing with React.js and its core concepts (Hooks, Context API, Redux, Zustand or similar state management tools). * Solid knowledge of JavaScript (ES6+), HTML5, and CSS3. * Proficiency with Git for version control. * Experience consuming RESTful and/or GraphQL APIs using react-query. * Basic understanding of back-end concepts, including how APIs are structured and how data is processed. Nice-to-haves: * Experience with charting libraries (e.g., nivo, plotly, deck.gl). * Familiarity with monorepo tools (e.g., NX, Lerna, Turborepo). * Knowledge of front-end optimization techniques (e.g., virtualization, code-splitting, memoization). * Knowledge of Python or another back-end language. * Experience with relational (SQL) and non-relational (NoSQL) databases. * Familiarity with cloud environments (AWS, Azure). * Knowledge of agile methodologies (Scrum, Kanban). * Experience with automated testing (Jest, React Testing Library, Cypress). Benefits Contract: PJ + Caju Card