Senior React Js Developer

We are seeking an experienced Senior React JS Developer with a minimum of 7 years of experience to join our dynamic team. The ideal candidate will have a strong understanding of React JS, JavaScript, Typescript and related technologies, as well as excellent problem-solving and communication skills.This role is for a product-minded engineer who is passionate about building complex, high-performance, and visually intuitive applications. You will be a key decision-maker in our frontend architecture, championing a modular **micro-frontend** strategy and working closely with the UX Lead to implement a unified design system. You will translate complex financial workflows into seamless user interactions, mentor other developers, and set the standard for frontend excellence across the organization.#Key Responsibilities- **Architect & Lead Frontend Development:**- Lead the technical design and development of complex frontend applications using React and its ecosystem.- Drive the implementation of our micro-frontend architecture, ensuring that modules are scalable, independently deployable, and maintainable.- Take ownership of critical UI components, from real-time settlement dashboards and compliance workflows to custody management consoles.- **Build Intuitive & Performant User Interfaces:**- Collaborate closely with Product Managers and UX/UI designers to translate complex requirements and wireframes into high-fidelity, functional user interfaces.- Ensure applications are highly performant, responsive, and provide an institutional-grade user experience across all devices.- Implement advanced data visualizations, real-time data streaming (via WebSockets), and complex form-based workflows.- **Champion Code Quality & Best Practices:**- Set and enforce high standards for code quality, testing, and performance within the frontend domain.- Establish a robust testing strategy, including unit, integration, and end-to-end tests using frameworks like Jest and React Testing Library.- Mentor mid-level and junior developers through constructive code reviews, pair programming, and technical guidance.- **Collaborate & Integrate:**- Work closely with backend teams to define and consume RESTful and WebSocket APIs, providing feedback to shape API design for optimal frontend consumption.- Integrate with various backend services to present a unified and cohesive experience to the end-user.Required Qualifications### **Must-Have:**- **Professional Experience:** 7+ years of professional frontend development experience, with a strong portfolio of building and shipping complex, data-intensive web applications.- **React Expertise:** Expert-level knowledge of React, including hooks, context, and the modern React ecosystem.- **Architectural Leadership:** Proven experience architecting large-scale frontend applications, preferably using a micro-frontend or other modular architecture.- **State Management:** Deep experience with advanced state management libraries such as Redux (with Redux Toolkit), Zustand, or MobX.- **Modern JavaScript/TypeScript:** Mastery of modern JavaScript (ES6+) and extensive experience using TypeScript in a production environment.- **Testing:** A strong commitment to quality with hands-on experience in writing comprehensive tests for React applications (Jest, React Testing Library, Cypress).- **Mentorship:** A track record of mentoring other developers and elevating the technical skills of the team.**Nice-to-Have (Highly Desirable):**- **Financial/Crypto Domain Experience:** Experience building UIs for FinTech, trading platforms, banking applications, or crypto exchanges.- **Data Visualization:** Experience with data visualization libraries such as D3.js, Chart.js, or Highcharts to build dashboards and reports.- **Micro-Frontends:** Direct, hands-on experience implementing a micro-frontend architecture using techniques like module federation.- **Real-Time Applications:** Experience building applications that handle real-time data using WebSockets or similar technologies.- **Design Systems:** Experience working with and contributing to a shared design system to ensure UI consistency.