Protocol Engineer

About The CompanyInversion acquires and transforms legacy businesses using blockchain technology. Backed by $26.5M from Dragonfly and top VCs, the team builds crypto-enabled business models that bring real-world users on-chain.

About The Role

Architect and implement the Inversion Chain, an Avalanche-based L1, build core infrastructure, integrate DeFi apps, and ensure network reliability and scalability.

Responsibilities

Architect and implement the Inversion Chain, a sovereign, Avalanche-based L1 optimized for consumer-scale performance, low latency, and business integration. Build core infrastructure modules, SDKs, and developer tooling that support rapid integration of real-world assets and applications across Inversion’s portfolio companies. Collaborate with external issuers or partners to integrate blue-chip DeFi applications. Support forthcoming Inversion-led products, such as mobile wallet and FinTech experience, providing frictionless UX comparable to top-tier fintech apps like Nubank or Robinhood. Contribute to validator infrastructure, tokenomics models, and interoperability frameworks that enable efficient migration of users and data from traditional systems to on-chain environments. Design, build, and optimize core consensus, networking, and execution layers of the Inversion Chain. Lead development of Inversion’s initial base contracts (e.g., collecting pre-deposits) and collaborate with external issuers or partners to integrate DeFi protocols. Serve as the technical architect; establish best practices for code quality, security, and performance. Develop, deploy, and maintain validator nodes, RPC infrastructure, and developer APIs to ensure network reliability and scalability. Partner with Product Managers and leadership to align protocol development with business objectives and user adoption strategies. Implement robust security frameworks, including cryptographic best practices, code audits, and formal verification processes. Continuously evaluate emerging blockchain protocols, consensus mechanisms, and interoperability standards to ensure Inversion stays on the cutting edge of protocol design.

Requirements

4–10 years experience Must have built and shipped customer-facing products Experience at top-tier scaled crypto or fintech companies Top-tier academic background (nice-to-have) Must be genuinely excited by Inversion’s mission Must have crypto interest Must be willing to work hybrid in NYC H1B transfer welcome Required Skills Avalanche experience EVM L1/L2s Making a chain EVM-ready Infra + chain operations validators nodes indexers cloud deployment reliability monitoring security Smart contract capability Solidity DeFi enablement Security + authentication wallets accounts middleware pragmatic security Systems engineering strong systems thinking custom infra Fintech/payments experience KYC/KYB custody settlement distributed systems data pipelines production debugging blockchain familiarity EVM Avalanche Cosmos L2s Bridging/cross-chain infra experience Wormhole LayerZero Team members7 Salary: 250000 - 400000 USDEquity: equity, 0.13–0.45%