Senior / Staff AI Platform Engineer
Clear StreetBase 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’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.