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Principal Software Engineer (Python, KDB+, Electronic Trading, AWS)

Fidelity InvestmentsJersey City, NJ

$107,000–216,000/yr

Posted Oct 12, 2026

What you’d do

Lead design and development of trading systems, building KDB/q analytics, Python AI and quantitative models, and backtesting frameworks. Hands-on technical leadership with mentoring and cross-team collaboration in a full-time role. Found on the employer's careers page on Oct 18, 2026. Apply through the link.

You’ll need

  • Bachelor's in math, CS, engineering, IT, or equivalent
  • 10 years in quantitative finance or trading systems
  • Advanced KDB/q proficiency
  • Python AI and quantitative modeling
  • Machine learning on time-series data

Our summary of the listing. The full listing has the details.

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