Senior Full Stack Web Developer for Admin Portal Build

Cascade Apps

Project-based · Remote · Flexible hours

About the role

Cascade Apps is launching an integration project that ties together billing, CRM, and internal APIs. We need a Full Stack Web Developer who can design, implement, and test seamless data flows across these systems while keeping performance and security top‑of‑mind.

Key responsibilities

• Architect and develop end‑to‑end integration pipelines using NodeJS and RESTful services
• Build responsive UI components in React to monitor and manage data sync status
• Write server‑side logic to map billing records to CRM entities and internal workflows
• Implement authentication, logging, and error handling across all touchpoints
• Collaborate with product owners to refine integration requirements and timelines

Must-have skills

• Proven experience with React and NodeJS in production environments
• Strong JavaScript proficiency and async programming knowledge
• Hands‑on work with MongoDB for data storage and retrieval
• Understanding of API design, OAuth, and webhook mechanisms

Nice to have

• Familiarity with billing platforms such as Stripe or Chargebee
• Experience integrating popular CRMs like HubSpot or Salesforce
• Knowledge of containerization tools like Docker