Software Engineer, Backend

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🕒 July 29

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Ergonia

WebsiteLinkedInAll Job Openings

11 - 50 employees

Founded 2022

₿ Crypto

💸 Finance

Crypto • Finance

Ergonia is a DeFi-focused trading and venture builder that combines a proprietary on-chain trading desk with early-stage capital and hands-on operational support to build, validate, and scale blockchain projects. Ergonia Trading operates a sophisticated DeFi-native liquidity and market-making arm that provides DEX liquidity, bespoke liquidity structures, and market trading infrastructure to support token liquidity and volume on decentralized venues. Ergonia Labs functions as a high-conviction blockchain venture builder, offering day-zero company creation, investment capital, research, and integrated operational support (legal, HR, finance, operations), and is tightly integrated with its trading capabilities and partners such as DRW and Cumberland. The firm backs and builds a portfolio ecosystem of blockchain projects (e. g. , Flint, Cashen, Swivr, expand. network, Hashnote, Perpl, Neutral, Hubz. io, Meridian).

📋 Description

• Build core exchange logic: markets, users, collateral, fees, order routing • Implement professional liquidity sources, on-chain matching, margining, liquidation, and risk enforcement • Help design the end-to-end architecture of a perpetuals exchange • Ensure on-chain and off-chain systems operate as a cohesive, low-latency stack • Optimize systems for latency, throughput, and compute efficiency • Write thorough tests and maintain clear, living documentation • Improve developer tooling and onboarding experience • Design, implement, and deploy production-grade Solana smart contracts in Rust

🎯 Requirements

• 3+ years of professional software development experience • Strong Rust proficiency (production experience preferred) or willingness to learn • Strong backend fundamentals (APIs, distributed systems, async systems) • Experience with low-latency or performance-sensitive systems • Familiarity with DeFi, trading systems, or derivatives • Ownership mindset and comfort working in an early-stage environment • Strong English communication skills • **Bonus Points ** • Solana runtime optimizations and CU profiling • Previous work experience with matching engines, order books, or execution systems • Perpetuals, margin trading, funding rates, or ADL • Market-making or trading infrastructure experience**

🏖️ Benefits

• No bureaucracy — just fast shipping and real impact • High ownership and real impact from day one • Competitive base + meaningful token/equity upside • Early team members receive ownership aligned with long-term protocol success • Fully remote • IRL meetups and company offsites