Node Engineer / Backend

We are 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. 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 paradigms—and 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. Posted By: Esteban Medina