Full-Stack JavaScript Engineer (LATAM / Worldwide)
POS+ is hiring a Senior Full-Stack JavaScript Engineer for a fully remote role targeting LATAM or Europe timezone overlap. Build mission-critical payment infrastructure with Node.js, React, TypeScript, PostgreSQL/MongoDB, and AWS.
Responsibilities
- - Build and scale payment interface software across Node.js backend and React frontend
- - Implement complex real-time event loops and financial calculations
- - Work with peripheral integrations (POS hardware, payment terminals)
- - Ensure zero-downtime, low-latency, offline-first reliability
- - Develop and maintain TypeScript APIs and PostgreSQL/MongoDB data models
Benefits & Perks
- $75,000–$99,999 USD/year
- Fully remote (LATAM or Europe timezones)
- Work on mission-critical payment infrastructure at scale
- Zero-downtime, real-time systems engineering challenges
Requirements
- - Senior full-stack JavaScript engineering experience
- - Node.js, React, TypeScript proficiency
- - PostgreSQL and/or MongoDB experience
- - AWS infrastructure skills
- - Experience with payments, fintech, or mission-critical real-time systems
- - LATAM or Europe timezone (overlap required)
About POS+
POS+ builds the foundational payment interface software that powers modern retail, B2B, and service-industry transactions. Their platform manages complex real-time event loops, financial calculations, and deep peripheral integrations — requiring flawless data consistency, zero-downtime availability, low latency, and bulletproof offline-first capabilities.
Company Size
11–50 employees employees
Industry
Payments / Retail Tech / SaaS
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