Senior C++ Engineer (Web3)

TL;DR

Senior C++ Engineer (Web3): Designing and implementing distributed cryptographic backend services for a secure digital asset platform with an accent on high-assurance signing protocols, MPC, and key lifecycle management. Focus on building performant, mission-critical systems and hardening the platform against complex adversarial attack vectors.

Location: Tel Aviv, Israel

Company

hirify.global provides a secure infrastructure and platform for institutions and global brands to manage digital assets and blockchain operations.

What you will do

• Architect and implement distributed backend services for key generation, storage, and lifecycle management.
• Develop high-assurance signing protocols and secure transaction flows utilizing MPC.
• Build secure backup and disaster recovery mechanisms for sensitive cryptographic material.
• Optimize performance-critical components to execute complex operations at scale.
• Harden systems against real-world adversarial attack vectors and security threats.
• Collaborate with security and cryptography researchers to ship robust production-grade systems.

Requirements

• 5+ years of production-level C++ experience.
• 3+ years of experience with high-level programming languages.
• Proven background in building large-scale distributed backend systems.
• Strong grasp of concurrency, memory management, and system design optimization.
• Solid experience with SQL databases and cloud infrastructure such as AWS or Azure.
• Security engineering mindset and capability to participate in novel research.

Nice to have

• Experience within the blockchain ecosystem or with on-premise deployments.
• Familiarity with HSMs or Trusted Execution Environments (confidential computing).
• Background in kernel development or highly security-sensitive environments.

Culture & Benefits

• Work at the core of a mission-critical cryptographic platform used by top-tier global financial institutions.
• High-impact environment where correctness and security are the highest priorities.
• Opportunities to solve intellectually demanding challenges in distributed systems and applied cryptography.
• Diverse and inclusive workplace dedicated to enabling secure access to digital assets.