DeFi Developer New York

DeFi Developer — High-Performance Crypto Trading Systems (New York)Our client is hiring a sharp, ambitious DeFi Developer to join their DeFi trading team building high-performance systems that operate directly on decentralized markets. You’ll work hands-on across the full trading stack — from on-chain integrations and execution logic, to infrastructure, monitoring, and performance optimization. What you’ll do Build and ship production-grade code (primarily Rust + Python) Develop systems that interact with on-chain protocols and infrastructure (Solidity, JSON-RPC, Solana, MEV workflows, etc.) Improve real-time monitoring, execution pipelines, and strategy tooling Debug and optimize end-to-end performance: latency, reliability, throughput Work with protocol teams and external projects to unlock new market opportunities Grow into end-to-end ownership across DeFi integrations and trading infrastructure Why this role is unique Full systems exposure — infrastructure, execution, strategy logic, on-chain interaction DeFi at the core — learn how protocols work under the hood and how on-chain dynamics create edge Elite teammates — small, world-class group of engineers, quants, and traders Startup velocity — fast decisions, frequent shipping, immediate production impact This is an ideal role for someone who sees themselves as a top technologist and wants to work in one of the most cutting-edge environments in finance and crypto. What we’re looking forWe’re looking for driven developers who want to learn fast by working on hard, meaningful problems. You should have: 3–7 years of professional software engineering experience Strong fundamentals and ability to write clean, testable, efficient code Solid CS foundation: algorithms, data structures, concurrency, networking, etc. Strong ownership mindset and clear communication Signals of technical excellence (any of these helps): Top academic performance in CS / math / physics / engineering Competitive programming / olympiad success (ICPC, IMO, IOI, IPhO, etc.) Experience at a highly selective tech company, trading firm, or fund Language & technical background Rust preferred, but you should be strong in at least one systems/statically typed language: C++ / Java / Go / C# / Kotlin / similar Nice to haveStrong preferenceUnderstanding of trading systems, market structure, or strategy implementationBonus DeFi familiarity: smart contracts, blockchain APIs, MEV, Solana Rust experience Infrastructure/observability tools (AWS, Grafana, etc.) Strong math/stats background (modeling, simulation) Team cultureOur client values: High ownership and initiative Curiosity, intellectual honesty, and rapid learning Clear, direct communication No ego, no politics — just building and improving together