Requirements
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### Must have:

### - 5 years in software architecture or senior engineering roles. - AI-native mindset: Cursor and Claude are a natural part of how you work. - Deep experience with low-latency systems --- trading platforms, exchanges, matching engines, fintech, or similar real-time domains. - Strong command of TypeScript / JavaScript; ideally Rust for performance-critical components. - Hands-on with AWS and/or Azure, including infrastructure design and cost optimisation. - Solid understanding of WebSocket architectures and real-time data delivery. - Experience with Redis for caching, pub/sub, and session management. - Comfortable with Docker and containerised deployment pipelines. - Familiarity with Supabase or PostgreSQL-based systems. - Experience in --- or strong interest in --- trading: futures, prop firms, or related domains. - Fluent in Dutch or English.

Responsibilities:
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- Design and own the architecture of our core platform: order entry, execution/matching, the real-time risk and evaluation-rule engine, the prop-firm evaluation marketplace, and live dashboards. - Build and optimise the low-latency execution path in Rust and TypeScript, keeping order-to-fill and rule enforcement as fast as physically possible. - Architect scalable WebSocket infrastructure streaming order state, fills, and rule status to thousands of concurrent traders in real time. - Design the evaluation-rule engine so each prop firms parameters (drawdown, targets, consistency rules) are enforced live and correctly on every trade. - Make infrastructure decisions across AWS and/or Azure, including caching with Redis and database design on Supabase / PostgreSQL. - Containerise and run services with Docker, maintaining reliability across environments in a 24/7 trading operation. - Fold AI-assisted development (Cursor, Claude) into our teams workflow to ship faster. - Work directly with the founding team on product direction and technical strategy. - Set coding standards, review architecture decisions, and mentor engineers as our team grows.
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Company:
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We are HyperProp, a trading platform built from the ground up for the prop firm world. Prop firms list and sell their evaluations directly on our platform, and traders take those evaluations and trade them on our infrastructure, where order entry, matching, live P\&L, and rule enforcement all happen. We own the full stack, including the matching and execution layer, the real-time risk engine, and the dashboards traders use to track their progress. We are a small, fast-moving team based in Amsterdam, with on-site work preferred and hybrid possible. The role offers direct impact, real ownership, full platform access, our prop firm partnerships, and monthly compensation of €10,000--€12,000, plus budget for hardware, tools, and learning.
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