Senior Rust Software Engineer

Industry: Blockchain / Web3 / Crypto / Finance

Location: San Francisco (On-Site / Hybrid)

Salary: $150-250,000 + Bonus

X4 Engineering is excited to partner with a leading organization in Blockchain, focused on developing applications with zero-knowledge proofs.

The company is seeking experienced Senior Software Engineers who are proficient in Rust and skilled in developing distributed systems, including areas such as consensus logic, memory-mapped databases, networking stacks, and synchronization logic for optimal performance.

In this role, you’ll maintain and optimize low-level cryptographic logic, from signature schemes to zero-knowledge proof systems. Additionally, you’ll collaborate with product teams to integrate protocols, creating user-friendly interfaces and APIs that simplify complex functionalities.

Key Requirements:

• Bachelor’s or Master’s degree in a related field, Engineering, or a similar area.
• 5+ years of software engineering experience.
• At least 2 years of Rust development experience.
• Strong foundation in blockchain concepts and ideally, experience contributing to a blockchain projects.
• Low-level system programming and/or distributed systems design experience.
• A strong foundation in blockchain concepts and ideally, experience contributing to a blockchain project.
• Developed and refined smart contracts on Solana, with the flexibility to extend into others.

The role requires at least 3 days’ per week in the SF (Bay Area) office.

If you’re interested in the role please apply via the job advert or get in touch with .