---
title: "Principal Software Engineer (Python… – Jersey City, NJ"
canonical: "https://www.metaintro.com/job/principal-software-engineer-python-kdb-electronic-trading-aws-at-48a8ecc4-5d18-5c3c-87f6-3103ff544e53"
language: "en"
author: "Metaintro"
---

[/company/fmr](/company/fmr)[Fidelity Brokerage Services LLC](/company/fmr)
# Principal Software Engineer (Python, KDB+, Electronic Trading, AWS) at Fidelity Brokerage Services LLC

Compensation

$107,000 – $216,000/yr

**Location**
: Jersey City, New Jersey

**Type**
: Full-time

**Level**
: senior

**Posted**
: Sep 30, 2026

## Description

Fidelity is hiring a Quant Developer – AI / KDB / Python to lead the design and development of scalable, resilient, high-performance trading infrastructure. The role combines KDB/q analytics, Python-based AI and quantitative modeling, machine learning on time-series data, research and backtesting frameworks, production system integration, and model deployment and monitoring. Candidates need a bachelor’s degree in a relevant field, 10 years of quantitative finance or trading systems experience, strong KDB/q and Python skills, cloud and software engineering experience, and willingness to support production systems and on-call rotations. The position offers a base salary of $107,000–$216,000 USD per year and requires onsite work under Fidelity’s phased onsite working model.

## Trending job searches

Every query opens live roles, salary samples, and market demand — tap a search to run it instantly.

- [Find Principal Software Engineer jobs in Jersey City, New Jersey, United States](/jobs/search?q=Find+Principal+Software+Engineer+jobs+in+Jersey+City%2C+New+Jersey%2C+United+States)
- [Find roles similar to Principal Software Engineer in Jersey City, New Jersey, United States](/jobs/search?q=Find+roles+similar+to+Principal+Software+Engineer+in+Jersey+City%2C+New+Jersey%2C+United+States)
- [Find Principal Software Engineer jobs with KDB/q and Python](/jobs/search?q=Find+Principal+Software+Engineer+jobs+with+KDB%2Fq+and+Python)
- [Find jobs similar to Principal Software Engineer](/jobs/search?q=Find+jobs+similar+to+Principal+Software+Engineer)
- [Find Principal Software Engineer jobs posted this week](/jobs/search?q=Find+Principal+Software+Engineer+jobs+posted+this+week)
- [Find Principal Software Engineer jobs paying $100,000 or more per year](/jobs/search?q=Find+Principal+Software+Engineer+jobs+paying+%24100%2C000+or+more+per+year)
- [Find Developer jobs in Jersey City, New Jersey, United States](/jobs/search?q=Find+Developer+jobs+in+Jersey+City%2C+New+Jersey%2C+United+States)
- [Find Developer jobs with KDB/q and Python](/jobs/search?q=Find+Developer+jobs+with+KDB%2Fq+and+Python)

## Get More from Metaintro

Unlock powerful job search, personalized recommendations, and deep career insights from comprehensive, market-leading data and live market signals.

- [Browse all jobs](/jobs/search)
- [Access help center](/help)
- [Explore our content](/blog)

![](https://cdn.metaintro.com/rs:fill:1200:800/q:30/plain/images/bridges/bridge-expand.1df895c6bd76d96f.png)

For job seekers

## Ready to find a role that actually fits?

Upload your résumé, start a Job Search Thread, and let Metaintro rank real openings against your experience — then guide you from search to offer.

[Get Started Free](/signup)[Search matching jobs](/jobs/search)

Match

Compare live roles against your current evidence.

Position

Turn proof projects into role-specific applications.

Improve

Use market feedback to keep the skill plan current.

[Return to navigation](#main-navigation)