NodeJS Engineer / FinTech Startup

Node.js Engineer

Chicago, Illinois

Remote Local

Direct Hire

$110k - $130k

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. In 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-throughput systems
• PostgreSQL knowledge: query optimization, indexing strategies, handling large writes
• Experience debugging production issues

Desired Skills & Experience

• Experience with performance profiling (CPU/memory), load testing techniques, distributed systems or microservices
• Understanding of serialization formats (JSON, protobuf), data pipeline design
• Familiarity with Terraform, monitoring tools (Datadog, CloudWatch), blue-green or zero-downtime deployments

The Offer

• Equity eligible

You will receive the following benefits:

• Medical, Dental, and Vision Insurance
• Vacation Time
• Stock Options

Applicants must be currently authorized to work in the US on a full-time basis now and in the future.

Specialization:

• Node.js