Founding Platform Engineer (Part time)

Arcade is seeking a Staff+ Founding Platform Engineer to become the first and only engineer in this domain. The role involves turning an original product vision into a robust, high-scale system for mobile spot and perpetuals trading, along with a novel social product. The engineer will own the platform architecture, data layer, rewards, notifications, API surface, integrations, performance, and reliability.

Responsibilities

• Own the platform, including the data layer, rewards, notifications, API surface, and reliability.
• Integrate perpetuals through Hyperliquid and spot trading through Jupiter and Relay.
• Unify data from Zerion, CoinGecko, Mobula, Alchemy, and Hyperliquid into a single source of truth.
• Build high-performance caching and fan-out systems for heavy data workloads.
• Make a unified USDC balance across chains invisible to users.
• Maintain system performance and reliability during peak load and critical production incidents.

Requirements

• Staff+ level engineering experience.
• Experience operating systems through a 50x traffic spike and making capacity-shedding decisions.
• Experience building retry-safe rewards and accounting systems with idempotency, replay safety, and lot tracking.
• Experience managing end-to-end latency budgets.
• Strong PostgreSQL performance-tuning experience.
• Strong TypeScript and Go skills.
• EVM experience at the read level.
• Ability to read Rust across boundaries in unfamiliar code.
• Ability to architect systems from zero to extremely high scale.

Benefits

• Base salary plus significant equity.
• Primarily asynchronous work.
• Part-time schedule of up to 20 hours per week.