Solidity Jobs in United States

Founding Engineer | Hybrid NYC | Crypto-Native Infrastructure

We’re looking for a Founding Engineer to help build the next generation of blockchain infrastructure. This is a rare opportunity to join a small, high-caliber founding team backed by leading investors, with deep expertise across cryptography, compilers, and distributed systems.

As one of the first engineers, you’ll play a pivotal role in designing and scaling core protocol components, making key architectural decisions, and helping to define the company’s technical culture.

What You’ll Do

• Build and scale core systems in Rust (preferred) or C++
• Solve complex challenges across cryptography, compilers, and distributed systems
• Work closely with the founding team to drive technical strategy and execution
• Collaborate on integrations with the Ethereum ecosystem (EVM, Solidity, reth)
• Take leadership responsibilities in shaping both engineering practices and product direction

What You Bring

• 3+ years of professional software engineering experience
• Strong crypto-native background and familiarity with blockchain ecosystems
• Proven ability to work independently and ship complex projects to completion
• Startup experience or comfort working in small, fast-moving teams
• Strong communication and collaboration skills

Bonus Points

• Deep Rust experience (C++ a strong plus)
• Knowledge of trusted execution environments
• Contributions to blockchain open-source projects or small high-impact teams

If you’re excited by the chance to shape cutting-edge infrastructure at the founding stage, we’d love to hear from you.