Fullstack - Distributed Systems Engineer
TLDR
Build low-latency crypto trading systems with Rust, Tokio, distributed state consistency, and blockchain settlement.
Client: Fullstack (10-person startup). Paraform: https://www.paraform.com/share/fullstack/cmrxxeiys00010djli430dsps
Location: San Francisco office, onsite 5 days a week.
Visa (hard filter): TN or H1B transfer only; NOT H1B in year 3 or year 6. Check visa status early.
Level: Mid-level, 2–4 years, able to own critical systems early.
Domain: crypto trading (perps, cross-chain spot, prediction markets); exchange/trading infra (CEX, DEX, Hyperliquid); HFT and market making; portfolio margin and collateral; blockchain protocols and validators (Rust L1/L2).
Requirements
Production Rust (must)
Async programming with Tokio (must)
Low-latency, performance-focused backend (ms-level APIs)
Distributed systems, state consistency across async processes (voting, consensus, coordination)
REST and WebSocket APIs
Live market data, multi-venue coordination
Risk and liquidation engine logic
Blockchain state machines for trading and settlement
Docker
Traits: performance/latency-driven, systems thinker, comfortable with startup pace and ownership.
deCircle is a venture studio focused on creating innovative products at the intersection of AI, security, and data infrastructure. We cater to ambitious startups and enterprises looking to enhance their capabilities through advanced technology solutions. Our distinctive approach combines cutting-edge research with practical applications, allowing us to build systems that redefine how industries operate.
- Employees
- 1-10 employees
- Industry
- internet