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Backend Engineer

Phaxis LLC | New York County, New York, United States | Posted May 11, 2026

Position Overview

Backend Engineer needed with experience in Fintech or marketplaces 

Independently communicate with Customer Support to investigate and resolve customer-reported issues.

Design database schemas and APIs for small-to-medium scoped features.

Implement features following internal engineering principles and guidelines.

Provide estimates for their own work and communicate progress and risks proactively to the team.

You have:  

Deep experience with and understanding of:

JavaScript (5+ years)

Node.js (5+ years)

Express.js framework (2+ years)

APIs (5+ years)/Building fintech backend APIs (1+ years)

Databases (PostGreSQL) (2+ years)

Architecture (2+ years)

Fintech web applications (1+ years)

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