Senior React Developer - Greenfield Trading System - up to $350k total comp. Job at Saragossa, New York, NY

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  • Saragossa
  • New York, NY

Job Description

Most trading firms talk about innovation. This one actually builds it.

You’d be joining a lean, highly technical team that’s already built multiple trading systems from scratch. The engineering group is small, flat, and fast-moving, with direct lines to decision-makers and no corporate red tape.

This isn’t a UI support role. You’ll be writing React every day, shaping the core internal system that powers 60–70% of the firm’s trading. If you’ve been waiting for a frontend role that actually moves the needle, this is it: real-time data, high performance, and full ownership.

They're looking for true React experts. Not someone who dabbled with it on the side, but someone who has spent 5+ years deeply immersed in React, building component libraries, owning architecture decisions, and delivering complex frontend applications at scale.

You’ll be working from their Midtown East office two days a week.

Here’s what makes this role different:

  • Zero legacy code
  • Real product ownership, not ticket-taking
  • Tight feedback loops with traders and PMs
  • A clean architecture and modern stack
  • Strong base comp with upside for the right candidate

If you’re excited by a clean slate, high-impact work, and an engineering culture that actually respects frontend as a discipline, let’s talk.

No up-to-date resume needed. Just shoot me a message.

Job Tags

2 days per week,

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