React.js Developer (Mid-Senior Level)

Job Description

About the Role We seek a React.js Developer specializing in complex API integrations and CRM ecosystem development . You'll build enterprise frontends that seamlessly connect with diverse backend systems while transforming intricate designs into functional interfaces. Key Responsibilities Develop React applications with complex API integrations (REST/GraphQL, OAuth, WebSockets, third-party services) Implement and customize CRM interfaces (customer data dashboards, workflow automations, reporting modules) Convert UI/UX designs (Figma/Adobe XD) into responsive, accessible components Optimize performance for data-intensive applications (pagination, caching, error handling) Collaborate with backend teams on API contracts and data modeling Required Skills 3+ years React.js experience with JavaScript/TypeScript Proven API integration expertise : Handling paginated/large datasets Authentication flows (JWT, OAuth2) Real-time data (WebSockets, Server-Sent Events) Error handling strategies CRM experience : Salesforce, HubSpot, Zoho, or custom CRM solutions State management (Redux Toolkit/Zustand) + testing (Jest/React Testing Library) Preferred Skills Design-to-code conversion (Figma/Sketch → React) Backend awareness (Node.js/APIs) Experience with data visualization libraries (D3.js, Chart.js) Agile/Scrum methodology Show more Show less