Quant Developer (KDB+/Python)

ZealHire Inc.; Jersey City, Northern (NJ, KY); Hybrid; USD 140,000 - 230,000; Full time

Job summary

ZealHire Inc. in Jersey City, NJ seeks a highly experienced software engineer to join our internal trading platform. You will build scalable, high-performance trading systems using KDB+/q, Python, and AI/ML time-series models.

The role demands 10+ years in quantitative finance or trading systems, with hands-on work on large datasets, cloud (AWS), CI/CD, Java, Linux, and production support. On-site and remote-with-rotation included.

Qualifications

• 10+ years of experience in quantitative finance or trading systems.
• Strong Q coding, Python, and KDB+ skills.
• Experience with large-scale or high-frequency datasets and AWS.

Responsibilities

• Develop and enhance an internal trading application.
• Hands-on work with KDB+/q, Python models, and time-series analysis.
• Support production, CI/CD, and on-call rotations.

Skills

KDB+/q

Python

Q analytics

AI/ML time-series

Backtesting

AWS

CI/CD

Java

Linux

Shell scripting

Job description

Location :Jersey City, NJ. Remote every other week. ( we need locals here )

Duration :12 months

Interview Process: 2 rounds. 1st over Zoom; 2nd is onsite.

The Role

This role is for a highly experienced software engineer supporting the development and enhancement of an internal trading application. The position focuses on building scalable, resilient, and high-performance trading systems, with hands-on work in KDB+/q databases, q analytics, Python-based quantitative models, and AI/ML techniques for time-series data, signal generation, research, and backtesting.

The ideal candidate has 10+ years of professional experience in quantitative finance or trading systems, with strong skills in Q coding, Python, and KDB+. Experience with large-scale or high-frequency datasets, cloud platforms such as AWS, CI/CD tools, Java, Linux, shell scripting, production support, and on-call responsibilities is also important.

Must Have:

• Jersey City, New Jersey, United States 07302

Salary Range:

$000,000 - $000,000 Salary range is not shown on the candidate portal