Staff Full Stack Engineer (Fin Tech)

Hiring Hub; San Francisco (CA); On-site; USD 200,000 - 400,000; Full time

Job summary

A fintech startup is seeking a Staff Full Stack Engineer to help architect and build a consumer finance platform. In this high-impact role, you will work across multiple platforms to develop secure, high-performance systems for global payments. You will define technical standards, drive design decisions, and collaborate closely with product and design teams to deliver impactful solutions that reach millions. This role offers competitive cash compensation, focusing on delivering real value.

Qualifications

• 5+ years of experience in building consumer-facing mobile and web applications.
• Significant exposure to full-stack development, covering both frontend and backend.
• Hands-on experience with technologies like React, TypeScript, Python, Go, Rust, Postgres, and AWS.
• Strong systems design background with a focus on performance, reliability, and security.

Responsibilities

• Architect and build across multiple platforms including iOS, Android, and Web.
• Establish technical standards and drive system design decisions.
• Build secure systems for global payments and wallet operations.
• Lead end-to-end delivery for features including design, implementation, and monitoring.
• Collaborate with product and design teams to shape the product roadmap.

Skills

React

TypeScript

Python

Go

Rust

Postgres

AWS

Job description

About the job Staff Full Stack Engineer (Fin Tech)

Staff Full Stack Engineer

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

About the role

We're 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. We're 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, you'll architect our stack, set engineering standards, and build a secure, high‑performance product that handles real money at global scale.

What you'll 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.