Staff Full Stack Engineer (Fin Tech)

Staff Full Stack Engineer

Location
San Francisco, California, United States

Cash Compensation
$200,000 $400,000 USD per year

About the role

Were building a consumer finance platform for emerging markets in partnership with very large distribution partners. Our product combines a virtual bank and a cryptocurrency wallet to let users move seamlessly within a single global financial ecosystem. Were a small, senior-only team moving fast and focused on real impact: rebuild financial rails for billions of underserved users.

As a Staff Full Stack Engineer, youll architect our stack, set engineering standards, and build a secure, high-performance product that handles real money at global scale.

What youll do

• Architect and build across platforms: iOS (Swift), Android (Kotlin/Java), Web (React), and backend services (Python + Go/Rust where needed, Postgres, AWS).

• Define technical standards, establish best practices, and drive system design decisions.

• Build secure, reliable systems for global payments and wallet operations.

• Lead end-to-end feature delivery: design, implementation, testing, deployment, and monitoring.

• Collaborate closely with product, design, and partner teams to shape the roadmap and deliver Day-1 impact.

• Mentor engineers and help scale the teams engineering capabilities.

Why this is a rare opportunity

• Ground-floor, high-impact role in the fast-growing stablecoin / cross-border payments space.

• Work with proven founders and top-tier partners; make product decisions that reach millions.

• Well-funded team able to offer strong cash compensation focused on delivering value, not equity gambles.

Requirements

• 5+ years building and shipping consumer-facing mobile and web applications.

• Significant full-stack exposure: comfortable with both frontend and backend concerns.

• Hands-on experience with one or more of: React, TypeScript, Python, Go, Rust, Postgres, AWS, Vercel.

• Strong systems design experience, especially for performance, reliability, and security.

• Product-oriented mindset and ability to operate independently in a small senior team.

Nice to have

• Experience building for Latin American markets or other emerging markets.

• Background in financial technology, payments, or crypto.

• Strong product and design sensibility.

What we offer

• Day-1 opportunity to shape products used by millions.

• Ownership of architecture and technical direction.

• Meaningful work in global financial inclusion and cross-border payments.