Clear Street - Senior / Staff Data Scientist, Applied AI

• At least Eight (8) years of experience shipping production software; strong proficiency with 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 (LLMs/agents/search/retrieval/ranking/recommenders) • Experience running model improvement cycles: dataset curation, labeling/QA, offline experimentation, and deploying changes with measurable impact on benchmarks • Ability to define metrics, build measurement pipelines, and drive engineering/product decisions from data • Comfort working across the stack: debugging model/tooling failures, instrumenting services, and partnering with frontend/product on UX patterns that improve safety and trust • High degree of self-motivation and willingness to jump into unfamiliar areas to solve problems • Bonus: • Experience with fine-tuning, preference optimization, distillation, or prompt/compiler-style techniques for improving tool-use reliability • Experience creating domain-specific benchmarks and adversarial suites (e.g., “known-bad” scenarios) for high-stakes applications • Deep experience with trading across asset classes, margin types, etc. • Experience with Rust and performance-sensitive services • Experience designing incident response and SLOs for ML/AI systems • We Offer:The Base Salary Range for this role is $200,000 - $500,000. This range is representative of the starting base salaries for this role at Clear Street. Where a candidate falls in this range will be based on job related factors such as relevant experience, skills, and location. This range represents Base Salary only, which is just one element of Clear Street's total compensation. The range stated does not include other factors of total compensation such as bonuses or equity.