Career Renew · 1 day ago
Senior Core Systems Engineer - Crypto
United States
Full-time
Remote
Senior Level, Lead/Staff
$180K/yr - $260K/yr
8+ years expCareer Renew is recruiting for one of its clients a Senior Core Systems Engineer - Crypto. This role involves designing, building, and scaling systems integral to blockchain wallet infrastructure, focusing on performance, security, and correctness.
Management Consulting
Responsibilities
Design, implement, and operate MPC signers, HSMs, and TEEs (e.g. AWS Nitro)
Build low-level services and middleware in Rust and other systems languages
Architect distributed databases and stateful services for performance and reliability
Develop secure APIs and networking between core systems and high-level services
Optimize resource usage, latency, and throughput across critical workflows
Collaborate with cryptography, infra, and product to bring new protocols into production
Document core systems, share knowledge, and support client and partner discussions
Qualification
Required
8+ years of systems engineering experience with focus on security, infra, or backend
Deep expertise in Rust, with strong low-level systems programming skills
Proven experience building distributed systems, consensus mechanisms, or networks
Hands-on experience with HSMs, MPC, TEEs, and cryptographic key management
Strong knowledge of SQL and NoSQL databases in high-availability environments
Familiarity with secure networking, applied cryptography, and defense-in-depth models
Skilled in observability, debugging, and optimizing performance at scale
Clear communicator, able to translate complex systems into practical solutions
Preferred
Design, implement, and operate MPC signers, HSMs, and TEEs (e.g. AWS Nitro)
Build low-level services and middleware in Rust and other systems languages
Architect distributed databases and stateful services for performance and reliability
Develop secure APIs and networking between core systems and high-level services
Optimize resource usage, latency, and throughput across critical workflows
Collaborate with cryptography, infra, and product to bring new protocols into production
Document core systems, share knowledge, and support client and partner discussions
Benefits
Healthcare
401K
Travel expenses
Company
Career Renew
Career Renew aims to transform the job search process by making it easier for candidates
2-10 employees
Funding
Current Stage
Early StageCompany data provided by crunchbase