--- title: 'AI Engineer at Radix Trading Experienced Job Board' canonical: 'https://feeny.ai/job/ai-engineer-radix-trading-experienced-job-board-chicago-p4e6z5d1a0fh' type: 'job' last_seen: '2026-10-31' --- # AI Engineer at Radix Trading Experienced Job Board - **Company:** Radix Trading Experienced Job Board - **Location:** Chicago, IL / New York, NY - **Posted:** 2026-10-30 - **Last confirmed live:** 2026-10-31 - **Apply:** https://job-boards.greenhouse.io/radixexperienced/jobs/8857316002 ## Job description 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. ## About Radix Trading Experienced Job Board ## Company Overview - **One-liner**: Radix Trading is a privately-funded, research-driven proprietary trading firm that uses statistical methodologies and machine learning to trade on major electronic markets globally. - **Entity Type**: Private (privately-funded, does not accept outside investments) - **Headquarters**: Chicago, Illinois, United States - **Founded**: 2014 - **Founders**: Not publicly available (founded by industry veterans who previously built and managed some of the most profitable trading teams in the world) ## Core Business - Primary industry/industries: Financial Services, Proprietary Trading - Target customers: B2B (operates on major electronic exchanges; does not serve external clients as it trades its own capital) - Mission or purpose statement: "Building a new type of trading firm dedicated to research through targeted collaboration and vast ingenuity." ## Products & Services - **Proprietary Trading Strategies**: Radix develops and executes automated trading strategies across North America, Europe, and Asia, focusing on statistical research rather than pure speed (HFT). The firm monetizes its research through trading. - **Automated Research Platform**: A cutting-edge, proprietary technology platform that supports rapid idea inception to execution, enabling continuous enhancement of trading strategies. ## Market Standing - **Valuation/Market Cap**: Not disclosed (privately-held, no outside investments) - **Key Metric**: Not publicly available (private firm; revenue and funding not disclosed) - **Notable Investors/Partners**: None (privately-funded, does not accept outside investments) - **Growth Signals**: - Headcount: approximately 150 employees (+6.6% YoY) - LinkedIn followers: 15,019 (+48.1% yearly growth) - Offices in Chicago, New York, and Amsterdam - Actively hiring across multiple roles (Quantitative Researcher, Quantitative Technologist, Quantitative Business Analyst, HPC Systems Engineer, Network Engineer) - Talent sources include top firms like Jane Street, Citadel Securities, Google, and top universities (University of Chicago, Princeton, Stanford) ## Competitive Advantages - **Research-First Culture**: Radix emphasizes statistical research and machine learning over pure speed, differentiating from traditional HFT firms. - **Open Collaboration**: A culture of openness enables fast turnaround from idea inception to execution, with no silos or barriers to accessing internal data and tools. - **Top Talent Pool**: The team blends interdisciplinary academics (undergraduate, PhD, Postdoc, Professors) from top universities with experienced researchers and senior engineers from Silicon Valley tech companies and supercomputer specialists. - **Experienced Leadership**: Led by industry veterans who previously built and managed some of the most profitable trading teams in the world. ## Strategic Focus - **Continued Research-Driven Growth**: The firm sees continued opportunities in using statistical research to "outsmart the competition," rather than relying on the diminishing returns of high-frequency trading. - **Talent Acquisition**: Actively recruiting researchers, technologists, and business analysts across all three office locations, with a focus on highly analytical minds from math, physics, computer science, and engineering backgrounds. - **Global Expansion**: Already operating on major electronic markets across North America, Europe, and Asia, with a growing presence in Amsterdam. ## Why Work Here - **Culture**: Described as a culture of openness and collaboration, with a hacker's approach to testing ideas. The firm values "persistent drive to improve," "creative problem solving," "team mindset," and "orientation for making money." - **Impact**: Employees can "directly affect our bottom line within your first few weeks on the team." The work provides "near-immediate feedback on your best ideas." - **Compensation**: Competitive salary plus quarterly bonus based on individual performance and contribution towards success of others and the firm. - **Work Environment**: Offices in Chicago (River North), New York (One World Trade Center), and Amsterdam. The firm offers a hybrid/office presence (roles are listed as Chicago, New York, or Amsterdam). - **Employee Rating**: 4.3/5.0 on LinkedIn (23 reviews), with Compensation rated 4.6/5.0. - **Notable Perks**: Access to cutting-edge proprietary technology, a supercomputer-like research platform, and the opportunity to work alongside top talent from Jane Street, Citadel, Google, and leading universities. ## Sources 1. [radixtrading.co](https://radixtrading.co/) 2. [Greenhouse Job Board](https://job-boards.greenhouse.io/radixexperienced) 3. [LinkedIn - Radix Trading LLC](https://www.linkedin.com/company/radix-trading) 4. 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