The posting
About the Company
We’re partnering with a U.S.-based, venture-backed startup building a fintech product focused on helping users automatically invest and build long-term financial health through innovative integrations with large consumer platforms.
The company has already secured strategic investment from a major partner with millions of users and is currently raising its next funding round to scale the product and engineering team.
This is an early-stage environment where engineering plays a foundational role in shaping the future of the company.
Position Overview:
They’re hiring a Founding Full-Stack Engineer to work directly with the founders and play a key role in scaling the core product.
You’ll help evolve the platform, contribute to architectural decisions, and operate as a high-ownership individual contributor in a fast-moving startup.
This role is ideal for someone who enjoys building, taking ownership, and growing with a company from an early stage.
Responsibilities:
- Building and scaling core product features across frontend and backend
- Improving architecture, performance, and scalability
- Integrating with external partners and APIs
- Collaborating directly with founders on technical decisions
- Helping bring structure and best practices to the engineering function
Qualifications:
- React / React Native
- JavaScript / TypeScript
- Python
- GitHub
- Modern cloud infrastructure
What They’re Looking For
- 5+ years of full-stack engineering experience
- Strong experience with modern JavaScript frameworks (React preferred)
- Experience working in startup or fast-paced product environments
- Strong ownership mindset and ability to work autonomously
- Professional English and fluent Spanish
Why This Role
- Founding-level impact and ownership
- Equity upside
- Competitive USD compensation
- Direct collaboration with founders
- Opportunity to grow into a technical leadership role



