? About Our Client

One of our clients is reimagining how money moves around the world.

They're building a integral fintech platform that combines the simplicity of a modern banking app with the power of blockchain technology—without exposing users to the complexity of crypto. The goal is simple: make sending, spending, and managing money across borders feel effortless.

Already serving thousands of users in 130+ countries, the company is now accelerating growth after recently raising $5M in seed funding from leading US and European investors.

This is an early-stage company with a lean, high-caliber engineering team where every line of code has a visible impact on the product.
? About the Role

This is one of two founding engineering hires and a unique opportunity for a product-minded full-stack engineer who enjoys owning features from end to end.

You'll build across the entire stack—from backend services and APIs to the application layer—working directly with the founders to bring ideas to life. The engineering team believes in shared ownership,



so you'll have the freedom to contribute wherever you can create the biggest impact.

If you enjoy solving challenging technical problems while building products users genuinely love, you'll fit right in.
? What You'll Be Building
- Own and deliver features across the entire stack—from backend services to frontend experiences.
- Design and build scalable APIs and backend systems using Node.js and TypeScript.
- Collaborate closely with founders, product, and design to turn ideas into shipped features.
- Make architectural decisions that balance speed, scalability, and maintainability.
- Improve product quality, reliability, and user experience across the platform.
- Debug complex technical challenges across multiple layers of the stack.
✅ What We're Looking For
- 5+ years of professional software engineering experience.
- Strong full-stack development experience across backend and frontend.
- Deep expertise in JavaScript an

📌 Senior Full-Stack Engineer (Miami Platja)
🏢 OnHires
📍 Miami Platja