Node Engineer / Backend

Node Engineer / Backend Node Engineer / Backend Chicago, Illinois Open to Remote Direct Hire $110k - $130k We are a venture-backed fintech company building a next-generation platform for automated technical analysis and trading workflows. Our software brings institutional-grade analyticspattern recognition, signal generation, backtesting, and automated executionto professional traders, quantitative analysts, and investment teams. We're looking for a senior Node.js engineer to 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 backtesting engines, and a custom scripting environment used by thousands of active market participants. Required Skills & Experience Design, optimize, and maintain Node.js microservices processing tens of thousands of messages per second Build and maintain data ingestion pipelines for market, fundamental, and alternative datasets Improve observability across the platform (logging, metrics, tracing, alerting) Implement the business logic behind charting, scanning, backtesting, and scripting engines Write clean, well-tested, and maintainable code with a strong focus on performance Manage cloud infrastructure using Terraform, including AWS-managed services Work directly with PostgreSQL and MongoDB (no ORMs), scaling both read- and write-heavy workloads Diagnose and resolve performance bottlenecks, memory leaks, and event-driven system issues Partner with cross-functional teams to translate trading ideas into production-grade software Continuously experiment, learn, and refine how market data and automation intersect Desired Skills & Experience Deep experience with Node.js, including performance profiling, memory management, and event-loop optimization Hands-on experience managing infrastructure as code with Terraform (AWS RDS, Lambda, SQS, etc.) Strong working knowledge of PostgreSQL and MongoDB at scale Solid grasp of object-oriented and functional programming paradigmsand when to use each Familiarity with Kubernetes (configuring clusters required; building and managing clusters is a plus) Experience working in a microservices architecture with many independently deployed services A disciplined engineering mindset around testing, CI/CD, containerization, monitoring, and alerting Genuine curiosity about financial markets and trading; hands-on trading or strategy development experience is a strong plus Bonus: Experience with systems programming or performance-critical components using C++ and/or Java Bonus: Fluency or professional working proficiency in Russian or Ukrainian The Offer Bonus 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. #LI-EM1 Posted by: Esteban Medina Specialization: Technical Engineering / Design / Support