
Senior / Staff AI Platform Engineer
Clear Street3 months ago
Remote, United StatesSenior / Staff+
H1B sponsor
Base Salary
$200k - $350k/yr
Responsibilities
- Build the core AI platform powering a copilot in a new AI-native trading experience.
- Develop a high-performance Rust backend supporting streaming responses, low-latency tool execution, caching, and reliable model-and-tool orchestration.
- Design APIs and runtime components for authentication, authorization, rate limits, auditing, tracing, retries, and fallbacks.
- Build safe trading-action infrastructure with deterministic order previews, confirmation flows, idempotent tool calls, and comprehensive audit logs.
- Partner with product and frontend teams on streaming, citations and grounding, explanations, and reversible-action user experiences.
- Translate trading-domain requirements into secure, resilient platform primitives.
Requirements
- At least eight years of experience and strong proficiency with a programming language.
- Strong knowledge of concurrency, networking, performance profiling, reliability, and distributed-systems patterns.
- Experience designing and operating production APIs and services with observability, correctness guarantees, and security considerations.
- Ability to define platform requirements with stakeholders, design architecture, and deliver solutions end to end.
- Strong self-motivation and willingness to work in unfamiliar areas.
- Preferred: production Rust experience with Tokio/async, service design, and performance tuning.
- Preferred: experience with AI/ML inference platforms, tool execution, streaming, or retrieval/grounding systems.
- Preferred: experience with trading systems or other mission-critical financial infrastructure, including order lifecycle, execution, risk checks, or auditability.
- Preferred: deep experience with trading across asset classes and margin types.
- Preferred: Postgres performance and data modeling experience in high-throughput systems.
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, convenient location, and views.
- The posting is tagged as remote (#LI-Remote).
Tech Stack
Categories
About Clear Street
Clear Street builds a cloud-native brokerage and clearing platform for institutional investors, combining prime brokerage, clearing, and custody with APIs and modern infrastructure. It serves hedge funds, professional traders, and other market participants, helping them access multiple asset classes and markets through a unified system. Founded in 2018 and headquartered in New York, the company is privately held and operates regulated entities supporting global capital markets.