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NodeJS Engineer / FinTech Startup

Company

Kelly Services

Location

Chicago, IL

Posted

June 13, 2026

Position Overview

$110000 - $130000
We’re looking for a Senior Node.JS Engineer to join a venture-backed fintech company building a next-generation platform for automated technical analysis and trading workflows. Our software brings institutional-grade analytics, pattern recognition, signal generation, backtesting, and automated execution, to professional traders, quantitative analysts, and investment teams.

I this role, you’ll help evolve the backend systems that power a high-performance trading and analytics platform. You’ll work on the infrastructure behind algorithmic trading tools, data ingestion pipelines, large-scale testing engines, and a custom scripting environment used by thousands of active market participants.

**Required Skills & Experience**

+ 2+ years of professional Node.JS development experience
+ Solid understanding of
+ Event loop & async architecture
+ Performance bottlenecks in Node.js
+ Experience working with large datasets or high-through...

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