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← NinjaTrader

Sr. Software Engineer II, Platform/API

NinjaTrader
Location
Chicago or Remote*
Posted
1 month ago
Department
Technology
Salary
$140,000.00 - $190,000.00
What they actually want (must-haves)
  • 6+ years of professional software development experience building and operating backend services in production
  • Bachelor's or Master's degree in Computer Science, Software Engineering, or a related field (or equivalent practical experience)
  • Deep Node.js and TypeScript expertise, with strong command of asynchronous patterns, concurrency, and backpressure
  • Proven production experience with event-driven architecture, including delivery guarantees and poison-message handling, on message queues, pub/sub, or streaming platforms such as Kafka or Google Cloud Pub/Sub
  • Demonstrated experience building idempotent, resumable workflows that stay correct under retries, partial failure, and out-of-order delivery
  • Strong SQL and schema design, plus hands-on experience with Docker, Kubernetes, and a major cloud platform
Nice to have
  • Experience with identity verification, KYC/AML, or fraud and risk decisioning systems
  • Experience in fintech, trading, or brokerage, particularly in a regulated financial services environment
  • Experience integrating third-party providers whose contracts and failure modes you do not control
  • Familiarity with workflow or saga orchestration frameworks, and with feature flagging platforms such as Statsig
  • Passion for futures, derivatives, and trading technologies is a strong plus
What the job really is

As a Sr. Software Engineer II at NinjaTrader, you will be responsible for designing, developing, and maintaining backend services using Node.js and TypeScript. Your work will involve creating event-driven architectures, ensuring the reliability of multi-step workflows, and integrating third-party services to enhance the onboarding process for new traders. You'll also be expected to lead technical direction and mentor junior engineers while collaborating with adjacent teams.

Benefits
  • Salary range of $140,000.00 - $190,000.00 USD
  • Annual target bonus of 12% based on individual and company/team performance
  • 401K plan with company match up to 3.5%
  • Annual paid time off allowance of 18 days plus seven paid holidays
  • Hybrid work schedule for Chicago-based employees
  • 20 additional flex remote days annually
Things to weigh
  • No specific mention of the tech stack beyond Node.js and TypeScript, which may imply a focus on these technologies
  • The role involves significant ownership and responsibility, which may be challenging for some candidates
  • Remote flexibility is limited to certain states and exceptional candidates only
  • The position is part of a hybrid work model, requiring in-office presence for part of the week
Job score4.6/5
Benefits5/5
Freshness4/5
Career value4/5
Role clarity5/5
Pay transparency5/5

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