Senior Full Stack Web Developer for SaaS Integration

CloudWave Digital

Freelance · Remote · Flexible hours

About the role

CloudWave Digital is orchestrating a seamless integration between its billing platform, CRM system, and internal APIs. We need a versatile full stack web developer to design, implement, and test connectors that ensure data flows reliably across services.

Key responsibilities

• Architect and code bi‑directional sync services using NodeJS and REST/GraphQL
• Build responsive UI dashboards in React to monitor integration health
• Design MongoDB schemas for transaction logs and audit trails
• Write automated tests and CI pipelines for each connector
• Collaborate with product owners to refine data mapping rules

Must-have skills

• Strong proficiency in React, NodeJS, JavaScript, and MongoDB
• Proven experience building API integrations and data pipelines
• Ability to troubleshoot cross‑system issues quickly

Nice to have

• Familiarity with cloud services (AWS, GCP) and serverless functions
• Experience with OAuth and token‑based authentication