Senior Infrastructure Engineer (Blockchain)

TL;DR

Senior Infrastructure Engineer (Blockchain): Designing, architecting, and deploying highly reliable, scalable blockchain services with lightning-fast performance, with an accent on mission-critical core infrastructure. Focus on building core components of a high-throughput, low-latency distributed system, implementing consensus algorithms, and integrating cryptographic primitives.

Location: Onsite in New York City. Must be authorized to work in the United States.

Salary: $200,000 - $300,000 annual base salary.

Company

hirify.global is a high-growth crypto derivatives exchange rapidly capturing market share in a multi-billion dollar annual sector.

What you will do

• Design, architect, and deploy highly reliable, scalable blockchain services with lightning-fast performance.
• Lead the development of mission-critical core infrastructure that powers crypto products.
• Develop foundational components including storage layers, execution engines, and transaction pools.
• Implement, harden, and extend consensus algorithms (e.g., PBFT, HotStuff, Tendermint).
• Deeply profile CPU, memory, I/O, and network stacks to identify and resolve performance bottlenecks.
• Integrate diverse cryptographic primitives and design reliable networking components for peer discovery and secure communication.

Requirements

• 2+ years of professional experience building blockchain-based distributed systems and consensus engines.
• Expert proficiency in C++, Rust, Zig, or other low-level languages.
• Deep understanding of consensus protocols and distributed systems theory.
• Strong knowledge of cryptography fundamentals, including hashing and elliptic-curve cryptography.
• Solid networking experience, covering TCP/UDP, QUIC, peer discovery, and NAT traversal.
• Hands-on experience with key-value store databases (e.g., RocksDB, MDBX).
• Authorized to work in the United States.

Culture & Benefits

• Highly competitive compensation package with a generous company equity package.
• Comprehensive medical, dental, and vision insurance with Health Savings Account (HSA) options.
• Paid vacation and holidays.
• Retirement plan (e.g., 401(k)) with employer matching contributions.
• Commitment to equality and accessibility in the workplace.