Full Stack Developer (NestJS/ReactJS)

Job Description:

Frontend Development

• Build React/TypeScript features focused on integration UIs – settings panels, data sync dashboards, webhook management.
• Implement complex data flow patterns – real-time updates, optimistic UI, retry/error handling for external service interactions.
• Build admin interfaces and internal tools for managing integrations and monitoring service health.
• Maintain and extend existing frontend codebases with clean, testable code.

Backend Integrations & Services

• Build and maintain third-party API integrations (Shopify, payment gateways, health data APIs, email services).
• Develop background services and job queues using NestJS with Bull/BullMQ, SQS, or EventBridge.
• Implement webhook receivers and event-driven architectures for external service notifications.
• Build resilient integration patterns – circuit breakers,...