Full Stack Developer - Billing (Remote)

Revley operates at the intersection of SaaS, fintech, and performance-driven eCommerce .
We're a New York-based startup building a subscription and payment processing platform for e-commerce businesses.
As an early-stage company, every engineering decision matters. You'll work on a small, focused team where your contributions have a direct impact on product direction and customer success.

&##Ship key product features: Build new subscription management capabilities-lifecycle state transitions, billing logic, payment method handling. Features you ship will go directly to production
Identify bottlenecks, improve code quality, and enhance our payment processing flows. Debug production issues: Investigate payment failures, trace issues through logs and databases, and implement fixes. Design and implement database changes: Write migrations, design schemas for new features, and optimize queries for financial data accuracy
Build and extend APIs: Develop REST endpoints using NestJS, implement business logic, and ensure type safety across the stack
Learn testing strategies that matter for production systems
3+ years of professional experience building production web applications with NestJS, Next.js, and TypeScript

• Hands-on experience working with PostgreSQL based databases ( Supabase is a strong plus ) including schema design, migrations, and performance optimization
• Experience deploying and operating production systems using Vercel and AWS
• Proven experience building and maintaining payment flows (billing logic, payment method handling, retries, webhooks, and failure handling)
• Experience designing and consuming REST APIs with strong typing and clear contracts across services
• Comfort working with production logs, databases, and monitoring tools to debug payment and financial issues
• Experience writing meaningful automated tests for critical business logic (especially around billing and payments)
• Strong understanding of data integrity, idempotency, and error handling in financial systems

Experience with AWS EventBridge, SQS, ECS, or similar event and messaging infrastructure

• You have used these tools and systems in real production environments, not just side projects or tutorials
• You have shipped payment-related features that real users rely on
• Fully remote role with EST working hours
• Performance-based bonuses and career development opportunities

⏰ 3. 1-on-1 video interview