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Senior Solana Engineer at Ergonia. Ergonia is a crypto-native market-making firm with deep experience in trading and building on Solana. As one of the largest participants on the network, we run some of the most sophisticated, highest-volume, and lowest-CU contracts on-chain.. We are leveraging our understanding of Solana microstructure and trading technology to build the next generation of on-chain derivatives exchanges, and we're seeking a Senior Solana Developer to join our team.. Key Responsibilities. . . Solana Contract Development. : Design, develop, and deploy production-grade Solana smart contracts.. . . Exchange Architecture. : Drive the design of our exchange architecture end-to-end, ensuring every component creates a unified product experience. . . Performance Optimization. : Optimize the exchange both on-chain and off, ensuring a snappy UX. . Qualifications. . Minimum of 5 years in software development, with at least 2 years of experience in Rust.. . Proven experience in building production Solana contracts.. . Strong understanding of DeFi, trading systems, and margin trading.. . Highly motivated, self-driven, and passionate about building cutting-edge blockchain protocols.. . English language proficiency.. . Bonus Points. . Experience with low-level Solana runtime optimizations.. . Previous experience in building or contributing to derivatives exchanges. . Company Location: United Kingdom.