Staff / Principal / Lead Backend Software Engineer

RemoteStar • San Francisco Bay Area

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AI Summary

Seeking a Staff/Principal/Lead Backend Engineer for a San Francisco fintech startup building next-generation financial infrastructure. Responsibilities include designing, building, and scaling mission-critical backend systems and APIs. Requires 5+ years of backend experience with Python and strong production experience with high-scale applications.

Key Highlights

Own backend architecture, engineering standards, scalability, reliability, and security.

Design, build, and scale mission-critical backend systems and APIs.

Integrate with banking, payment, crypto, authentication, and compliance providers.

Key Responsibilities

Design, build, and scale mission-critical backend systems and APIs

Own architecture across payments, wallets, ledgers, and financial integrations

Build highly reliable systems where transaction accuracy and data integrity are critical

Improve performance, scalability, fault tolerance, and observability

Design APIs, database models, and distributed system components

Integrate with banking, payment, crypto, authentication, and compliance providers

Make key technical decisions alongside the founders

Mentor engineers and help establish backend engineering standards as the team grows

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Technical Skills Required

Python FastAPI PostgreSQL

Benefits & Perks

Relocation Assistance Available

H-1B Transfer Supported

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Nice to Have

Rust

Kafka

Docker

Kubernetes

Terraform

CI/CD

event-driven architectures

Payments / Payment Processing

Transaction Ledgers / Double-Entry Accounting

Digital Wallets

Banking Infrastructure

Settlement & Reconciliation

Fraud / Risk Systems

AML / KYC

Crypto / Blockchain / Stablecoins

Job Description

Backend / Python Software Engineer — Staff / Principal / Lead
San Francisco, CA — Onsite
Full-Time
Relocation Assistance Available | H-1B Transfer Supported

About the Role

We are hiring a Staff / Principal / Lead Backend Engineer for a well-funded San Francisco fintech startup building next-generation infrastructure across banking, payments, digital wallets, and cryptocurrency.

The platform handles real money at international scale, integrating with banking providers, cryptocurrency wallets, payment rails, authentication systems, ledgers, and other financial services.

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