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NodeJS Engineer / FinTech Startup

Motion Recruitment

seniorpermanentbackendfullstack Schaumburg, IL 47 days ago via LinkedIn

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Tags

Node.jsPostgreSQLAsync ArchitecturePerformance ProfilingLoad TestingData Ingestion PipelinesHigh-Throughput SystemsDistributed SystemsTerraformDatadog

About the role

Role Overview

Senior Node.js Engineer for a venture-backed fintech startup building a next-generation platform for automated technical analysis and trading workflows.

Responsibilities

  • Evolve backend systems powering a high-performance trading and analytics platform
  • Build and maintain infrastructure for:
    • Algorithmic trading tools
    • Data ingestion pipelines
    • Large-scale testing engines
    • A custom scripting environment used by thousands of active market participants
  • Improve performance and help resolve production issues

Required Skills & Experience

  • 2+ years of professional Node.js development experience
  • Strong understanding of the Node.js event loop and async architecture
  • Ability to identify and address Node.js performance bottlenecks
  • Experience working with large datasets and/or high-throughput systems
  • PostgreSQL knowledge, including:
    • Query optimization
    • Indexing strategies
    • Handling large writes
  • Debugging experience for production issues

Desired Skills & Experience

  • Performance profiling (CPU/memory)
  • Load testing techniques
  • Distributed systems and/or microservices experience
  • Understanding of serialization formats (JSON, protobuf)
  • Data pipeline design experience
  • Familiarity with:
    • Terraform
    • Monitoring tools (Datadog, CloudWatch)
    • Blue-green or zero-downtime deployments

Benefits / Offer

  • Equity eligibility (stock options)
  • Medical, dental, and vision insurance
  • Vacation time

Work Authorization

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

About Motion Recruitment

Motion Recruitment is a recruiting firm that matches candidates with opportunities at technology companies. In this posting, they represent a venture-backed fintech startup building an automated technical analysis and trading platform. The platform focuses on analytics, pattern recognition, signal generation, backtesting, and automated execution for professional market participants.

Scraped 6/13/2026