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Backend / Python Software Engineer (Staff/Lead)

all known services • United States
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AI Summary

Build and scale backend systems for a global banking and digital wallet platform. Design REST APIs and services using Python, FastAPI, PostgreSQL, Redis, and AWS. Requires 5+ years of production web application experience and strong backend skills.

Key Highlights
Build and scale backend systems for a global banking and digital wallet platform
Design REST APIs and services using Python, FastAPI, PostgreSQL, Redis, and AWS
Integrate banking, cryptocurrency, authentication, and payment providers
Develop reliable, secure, high-performance financial systems
5+ years of production web application experience required

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Key Responsibilities
Design, develop and scale backend applications and REST APIs.
Build and maintain backend services using Python and FastAPI.
Work with PostgreSQL, Redis and AWS infrastructure.
Integrate third-party banking, cryptocurrency, authentication and payment providers.
Develop reliable, secure and high-performance financial systems.
Contribute to backend architecture, engineering standards and technical decisions.
Collaborate directly with technical founders and take ownership of core product development.
Technical Skills Required
Python PostgreSQL AWS

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Benefits & Perks
Relocation assistance
Visa sponsorship

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Nice to Have
Experience with Python FastAPI.
Background in FinTech, banking or financial services.
Experience with cryptocurrency, digital wallets or payment infrastructure.
Knowledge of financial ledgers and payment integrations.
Full-stack engineering experience.

Job Description

About the Role

We're looking for an experienced Backend Software Engineer to build and scale the core technology behind an innovative global banking and digital wallet platform.

You'll work directly with the technical founders, developing high-performance backend systems that power mobile and web applications, integrate banking and cryptocurrency services, and support secure financial transactions at scale.

This is a high-impact opportunity for a hands-on engineer who enjoys solving complex engineering challenges and taking ownership of critical product infrastructure.

What You'll Do

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Job Overview
Posted Nov 03, 2026
Employment Full-time
Experience Mid-Senior level
Location United States
Category Programming
Company all known services
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