Senior C++ Engineer, Key Management

The Senior C++ Engineer, Key Management position is responsible for collaborating with backend engineers, infrastructure teams, and security and cryptography researchers to ship production-grade highly secure digital signing systems. The team performs mission-critical engineering at high scale, working on systems where failure is not an option, security is existential, performance matters, and correctness is everything.

Requirements

• 5+ years of strong C++ experience in production systems
• 3+ years of experience in any other high-level programming language
• Experience working inside an Agile R&D organization that delivers value fast
• Experience building large-scale backend or distributed systems (SaaS experience strongly preferred)
• Hands-on experience working with AI tools and the ability to effectively prompt, integrate, and build workflows around AI assistants
• Critical AI judgment: the ability to challenge, validate, and override AI-generated output especially in security-sensitive or correctness-critical contexts
• Experience working with SQL DBs
• Experience working with cloud and backend technologies (e.g. Docker, K8S, AWS, Azure, DataDog, Prometheus)
• Deep understanding of concurrency, memory management, system design, and performance optimization
• Experience working on mission-critical or high-reliability platforms
• A strong security engineering mindset
• Proven capability to understand and take part in novel research: either in industry or by having any scientific academic degrees