
Senior / Staff Platform Software Engineer
Clear Street3 hours ago
Remote, United StatesSenior / Staff+
H1B sponsor
Base Salary
$200k - $350k/yr
Responsibilities
- Build the core AI platform powering a copilot in an 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 and operate APIs and runtime components for authentication, authorization, rate limits, auditing, tracing, retries, and fallbacks.
- Build safe trading-action infrastructure including deterministic order previews, confirmation flows, idempotent tool calls, and comprehensive audit logs.
- Partner with product and frontend teams to support streaming, citations and grounding, explanations, and reversible actions.
- Translate trading business requirements into secure, resilient platform primitives.
Requirements
- At least eight years of experience and strong proficiency with any 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 systems end to end.
- High degree of self-motivation and willingness to work in unfamiliar areas.
- Preferred qualifications include production Rust experience with Tokio/async, AI/ML inference or tool-execution platforms, streaming or retrieval/grounding systems, trading or mission-critical financial infrastructure, deep trading-domain knowledge, and high-throughput Postgres performance and data-modeling experience.
Benefits
- Base salary range of $200,000-$350,000, excluding bonuses and equity.
- Competitive compensation, company equity, 401(k) matching, gender-neutral parental leave, and medical, dental, and vision insurance.
- In-office lunch stipends, stocked kitchens, happy hours, and a central office location.
- The posting is marked 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.