Clear Street

Senior / Staff AI Model Engineer

Clear Street
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2 months ago
Remote, WorldwideSenior / Staff+
H1B Sponsor

Base Salary

$200k - $350k/yr

Responsibilities

  • Own the reliability and quality bar for an AI copilot embedded in a trading platform.
  • Design and build evaluation systems measuring correctness, safety, latency, and regression risk across market analysis, portfolio and risk reasoning, and trading workflows including order placement.
  • Develop and maintain golden sets, scenario suites, stress and adversarial cases, and refreshed market- and regime-based test corpora.
  • Build automated quality gates and regression workflows that block releases when key metrics degrade.
  • Partner with engineering and product to define safe tool and action contracts with deterministic previews, confirmations, and auditability.
  • Own model-improvement loops covering data collection and labeling strategies, error taxonomies, prompt and tooling changes, and appropriate fine-tuning or preference optimization.
  • Design and operate AI monitoring and incident response, including telemetry, alerting, root-cause analysis, and fix-forward processes.
  • Develop deep knowledge of trading concepts including margin, shorting, portfolio margin, risk, and execution, and express them accurately and clearly to users.

Requirements

  • At least eight years of experience shipping production software and strong proficiency in any programming language.
  • Strong knowledge of computer science fundamentals, testing methodology, and systems design.
  • Experience building evaluation frameworks, test harnesses, and benchmark suites for complex systems such as LLMs, agents, search, retrieval, ranking, or recommender systems.
  • Experience running model-improvement cycles involving dataset curation, labeling and quality assurance, offline experimentation, and deploying changes with measurable benchmark impact.
  • Ability to define metrics, build measurement pipelines, and use data to guide engineering and product decisions.
  • Comfort working across the stack, including debugging model and tooling failures, instrumenting services, and partnering with frontend and product teams on safety and trust-oriented user experience patterns.
  • Experience with fine-tuning, preference optimization, distillation, or prompt/compiler-style techniques is a bonus.
  • Experience creating domain-specific benchmarks and adversarial suites for high-stakes applications is a bonus.
  • Deep trading experience across asset classes and margin types is a bonus.
  • Experience with Rust and performance-sensitive services is a bonus.
  • Experience designing incident response and service-level objectives for ML/AI systems is a bonus.

Benefits

  • Competitive compensation packages, company equity, 401k matching, gender-neutral parental leave, and full medical, dental, and vision insurance.
  • In-office lunch stipends, fully stocked kitchens, happy hours, a convenient location, and views.
  • Remote work is indicated by the #LI-Remote designation.

Tech Stack

Categories

Clear Street

About Clear Street

501-1,000 employees

Clear Street’s mission is to give every sophisticated investor access to every asset, in every market, through a unified platform built for speed, transparency and scale. We give our clients the technology, tools and service once reserved for the largest institutions, rebuilt with modern infrastructure. Our single, cloud-native, end-to-end capital markets platform powers investor growth today and is transforming how they can interact with markets tomorrow. For more information, visit https://clearstreet.io. CSG operates through several regulated entities located in jurisdictions that have specific disclosure requirements. Access the disclosures: https://www.clearstreet.io/legal/regulatory-disclosures Copyright © 2025 Clear Street LLC. All rights reserved.