NodeJS Engineer / FinTech Startup

Kelly Services • Chicago, IL • Posted June 13, 2026

About the Role

$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...