Machine Learning

Posted 4 Days Ago
New York, NY, USA
In-Office
140K-160K Annually
Entry level
Financial Services
The Role
Build and operationalize LLM applications for financial services. Responsibilities include developing production AI features, Python libraries, data pipelines, prompts, tool-calling workflows, retrieval systems, evaluation suites, monitoring, and responsible-AI safeguards. Diagnose hallucination, latency, and cost issues; define metrics; analyze failures; collaborate with product, engineering, and business teams; and document designs and findings.
Summary Generated by Built In
Join Cantor Fitzgerald Technology Markets LLC as a Machine Learning Engineer focused on building AI‑driven solutions for a high‑volume financial services business. You will work closely with product, engineering, and business teams to create, test, and operationalize large language model (LLM) applications, ensuring they meet performance, reliability, and responsible‑AI standards. Responsibilities
  • Design and implement LLM‑driven features in production systems.
  • Build and maintain data pipelines for both structured and unstructured data.
  • Write clean, testable Python code and maintain reusable libraries.
  • Develop prompts, tool‑calling workflows, and retrieval pipelines.
  • Create evaluation suites, define success metrics, and analyze failures.
  • Diagnose and mitigate hallucination, latency, and cost issues.
  • Collaborate with product, engineering, and business stakeholders.
  • Implement monitoring, logging, and alerting for AI services.
  • Contribute to responsible‑AI guardrails and human‑in‑the‑loop processes.
  • Document designs, experiments, and findings for internal knowledge sharing.
Qualifications
  • Bachelor’s degree in computer science, machine learning, mathematics, physics, statistics, econometrics, or equivalent practical experience.
  • Experience contributing to production or production‑like software through work, internships, research, open source, or substantial personal projects.
  • Strong programming ability in Python with clear, tested, and maintainable code.
  • Experience with web services, data integrations, testing, logging, and basic monitoring across diverse data types.
  • Hands‑on experience building with LLM tools or frameworks (prompting, structured outputs, tool‑calling, retrieval, multi‑step workflows) and awareness of common failure modes.
  • Experience evaluating LLM‑powered applications: building test sets, reviewing failures, defining metrics, and iterating on prompts or retrieval.
  • Solid grounding in machine learning, statistics, and experimental design with ability to interpret technical papers and documentation.
  • Strong communication skills and comfort working with product, engineering, and business partners.
  • Interest in applying AI responsibly in financial services, including privacy, security, human review, and appropriate automation.
  • Familiarity with cloud deployment, containers, and modern release pipelines.

$140,000 - $160,000

Skills Required

  • Bachelor's degree in computer science, machine learning, mathematics, physics, statistics, econometrics, or equivalent practical experience
  • Experience contributing to production or production-like software through work, internships, research, open source, or substantial personal projects
  • Strong programming ability in Python with clear, tested, and maintainable code
  • Experience with web services, data integrations, testing, logging, and basic monitoring across diverse data types
  • Hands-on experience building with LLM tools or frameworks, including prompting, structured outputs, tool-calling, retrieval, or multi-step workflows
  • Experience evaluating LLM-powered applications by building test sets, reviewing failures, defining metrics, and iterating on prompts or retrieval
  • Solid grounding in machine learning, statistics, and experimental design, with ability to interpret technical papers and documentation
  • Strong communication skills and comfort working with product, engineering, and business partners
  • Interest in applying AI responsibly in financial services, including privacy, security, human review, and appropriate automation
  • Familiarity with cloud deployment, containers, and modern release pipelines
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The Company
HQ: New York, NY
1,857 Employees
Year Founded: 1945

What We Do

Cantor Fitzgerald is a leading global financial services firm, serving clients from over 30 offices around the world. Founded in 1945 as a securities brokerage and investment bank, the firm pioneered computer-based bond trading, built one of the broadest distribution networks in the industry and became the market’s premier dealer of government securities. Today, Cantor Fitzgerald is known for its strength across a diverse array of businesses, including equity and fixed income capital markets, investment banking, commercial real estate finance and services, prime brokerage, asset management and wealth management, and e-commerce and online ventures. In all its businesses, the firm is an acknowledged leader in developing advanced technologies to expand market access, and help clients achieve their most important financial and strategic objectives. This commitment to client-centered innovation has led to enduring relationships with many of the world’s most demanding institutional investors and corporations. For more information please visit www.cantor.com.

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