Senior Staff Engineer

Overview

Power Global Markets with Code - Join StoneX

At StoneX, we don’t just build software - we architect the infrastructure behind global trading and financial innovation. With over 4,300 employees and clients in 180+ countries, we’re a Fortune 100, Nasdaq-listed fintech powerhouse that connects retail and institutional investors to the world’s markets.

We’re growing our API Engineering team - and we’re looking for sharp, collaborative engineers who love solving real-world problems at scale.

Responsibilities

About the Role (Position Purpose)

This role is ideal for an experienced .NET engineer who thrives on ownership, having knowledge and experience in using .NET ecosystem, knowing the newest trends, be up to date with the newest .NET technology, and wants to work on robust APIs that power real trading - including authentication, ...