CallPayMin · 16 hours ago
RESTAPI Test Engineer
CallPayMin is a developer-first, pay-per-minute audio and video calling platform that enables experts to monetize their expertise. They are seeking a Full-Stack Engineer (API Integration & QA) to build and maintain web interfaces, integrate APIs, and test the platform end-to-end, ensuring features are production-ready and reliable.
ConsultingPaymentsVideo Conferencing
Responsibilities
Build and maintain web interfaces
Integrate CallPayMin APIs
Test the platform end-to-end — from frontend user flows to backend APIs, real-time calls, and payments
Work closely with product and engineering teams to ensure features are correctly integrated, production-ready, and reliable
Qualification
Required
Strong experience in web development (JavaScript, HTML, CSS; React or similar frameworks preferred)
Hands-on experience integrating REST APIs into web applications
Solid understanding of HTTP, JSON, authentication, and webhooks
Ability to validate API behavior against OpenAPI specifications
Experience testing end-to-end user flows, including UI → API → billing → payments
Familiarity with real-time audio/video systems (WebRTC preferred)
Strong debugging skills and ability to identify edge cases across frontend and backend
Clear written communication and ability to work independently in a remote setup
Reliable internet connection for real-time call testing
Preferred
Experience with Stripe or payment integrations
Exposure to automated testing (Playwright, Cypress, Jest, Pytest, Postman collections)
Working knowledge of Node.js or Python
Experience building or testing developer-first platforms or SaaS products
Benefits
Fully remote with flexible hours
No minimum commitment — contribution-based engagement
Early role in a growing API, fintech, and WebRTC product
Company
CallPayMin
CallPayMin offers pay-per-minute video and audio consultations with expert listings, scheduling tools, billing, and call summaries.
Funding
Current Stage
Early StageCompany data provided by crunchbase