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Fintech Full Stack Engineering Lead on Site

Simple Solutions
Posted 4 months ago, valid for a day
Location

San Francisco, CA, US

Salary

$300,000 - $400,000 per year

Contract type

Full Time

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Sonic Summary

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  • The Fintech Full Stack Engineering Lead position is for a global consumer neobank focused on merging banking, payments, and crypto, particularly in emerging markets.
  • Candidates must have a minimum of 5-10 years of experience in building and shipping fintech software, with expertise in systems like ledgering, payments processing, or stablecoin infrastructure.
  • The role involves working with technical founders to establish engineering standards and building a highly performant app using a stack that includes Python, Postgres, and AWS.
  • The compensation is described as a large cash package with no equity gamble required, offering significant day-one impact on products used by millions.
  • Candidates should have a GitHub profile and a background in banking or payment clients, ideally from startups, to be considered for this critically important role.
Fintech Full Stack Engineering Lead
Client is building a global consumer neobank, merging banking, payments, and crypto into a single product. Our initial focus is emerging markets, where traditional banking and local currencies fail hundreds of millions of people. We will enable users all over the world to move their money seamlessly within our ecosystem.

Company is built by a small group of highly experienced operators and engineers. We're a small, senior-only team, with no layers, politics, or slow decisions. We've built, founded, and owned services used by hundreds of millions of people and generating billions in revenue. Green is the next step and mass distribution is readily available via our day-one partners. Every person on the team ships product and shapes the direction of the company.

Scope of Role

We're seeking a Fintech Full Stack Engineering Lead who has directly leverable B2C banking, stablecoin, or payments experience. This is a critically important role on our team. You’ll be working with the technical founders to set standards that conform with industry engineering best practices and building a highly performant, reliable, and secure app from the ground up.

Our stack:

  • Python (FastAPI) monolith supported by Postgres and Redis on AWS. We are open to Rust and/or Go for any services that need to be broken out for performance.
  • Backend serves a REST API that powers our iOS, Android, and Web frontends. We are integrating with cryptocurrency wallet and banking service providers, among other services for auth, ledger, payment rails, etc.

This is a financial services application with significant complexity handling real money at scale, internationally..

You might be an especially good fit if you have a Full-stack engineering skillset, with ability to flex across other parts of the stack

This is a financial services application with significant complexity handling real money at scale, internationally.


Interview Stages
~3-4
MUST HAVE SKILLS
  • CANDIDATES MUST BE SUBMITTED WITH A GITHUB PROFILE
  • Minimum 5-10+ years building and shipping fintech software with deep expertise in at least one of the following systems: ledgering, payments processing, stablecoin infra, risk/fraud management
  • Experience generally across the backend: working with Postgres, Redis, AWS, etc.


You might be an especially good fit if you have a Full-stack engineering skillset, with ability to flex across other parts of the stack




Requirements

Previous employment with these banking/payment clients and prefer startups


Work Extra Notes
  • LARGE cash compensation - no equity gamble required
  • Day 1 impact on partner products used by millions globally
  • Shape technical vision and architecture as we scale
  • Ground-floor opportunity in the rapidly expanding stablecoin ecosystem

Crypto companies, payment companies

Stripe

Coinbase

Robinhood

Circle

Visa/Master Card

Venmo

Plaid

Zelle

Cashapp

etc.






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