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  • Seen live on Radix Trading Experienced Job Board's site today
  • Senior
Pay
Not stated
Location
Chicago, Illinois, United States; New York, New York, United States
Open for
5 days
First seen
Oct 30, 2026

Posting record

No flags

Open 5 days

The posting's record, oldest first
  1. Ghostless first sees this listing
  2. Last checked: still up
How we know

It hasn't been reposted, listed twice, or left up unusually long, and the posting doesn't say it's a talent pool.

Ghostless records the day it first sees a posting, so a repost can't reset its age.

Last checked Nov 4, 2026.

How well do you match?

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What it asks of you

2+ years of experience
“5+ years of overall technical experience, including 2+ years of hands-on experience designing and building Generative AI/LLM applications in production” (quoted from the posting)
PhD asked for
“Bachelor’s, Master’s, or PhD in Computer Science, Data Science, Machine Learning, or a related technical field” (quoted from the posting)

What the posting discloses

AI screening
Uses AI to screen applicants
Design, deploy, and evaluate production-grade AI applications and advanced agentic workflows (utilizing RAG, semantic search, planning, and structured outputs) (quoted from the posting)

Not stated: Pay, real vacancy.

Why these three

Ontario requires postings from employers with 25 or more staff to state the pay, whether the vacancy exists, and whether AI screens applicants.

Some employers add pay only on their own site. Check the original posting before you rule it out.

Skills mentioned

About the role

As a Quantitative Technologist, your goal is to enhance live trading systems, research infrastructure, and alpha generation through technology innovation.

We leverage cutting-edge software and hardware (mostly with modern C++) to push production level code daily and evolve fully-automated strategies, alpha generation processes, live trading systems, and machine learning research and simulation infrastructure used to analyze petabytes of data.

The Role

  • Build and accelerate the firmwide AI ecosystem and infrastructure to support AI-native systems and tooling
  • Identify workflow opportunities for developers and researchers to introduce AI-first systems and automation
  • Design, deploy, and evaluate production-grade AI applications and advanced agentic workflows (utilizing RAG, semantic search, planning, and structured outputs)
  • Develop platform-level safeguards, including bespoke evaluation harnesses, guardrails, approval workflows, tool-use limits, source attribution, and kill switches
  • Optimize core metrics across agent systems, focusing on reasoning quality, retrieval accuracy, latency, cost, safety, and user experience

About You

  • 5+ years of overall technical experience, including 2+ years of hands-on experience designing and building Generative AI/LLM applications in production
  • Bachelor’s, Master’s, or PhD in Computer Science, Data Science, Machine Learning, or a related technical field
  • Strong proficiency in Python alongside solid software engineering principles and a deep understanding of the full AI/ML lifecycle (data prep through observability)
  • Expert familiarity with agentic frameworks and modern AI orchestration and development tools (e.g., LangChain, LangGraph, AutoGen, LlamaIndex) alongside deep practical skills in prompt engineering
  • Proven capability to evaluate and select foundational or open-weight models, balancing enterprise trade-offs across capability, context length, hosting, security, and cost

COMPENSATION – Competitive base salary, plus quarterly bonus based on individual performance and contribution towards success of others and the firm.

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