Senior Core Systems Engineer
About the Role
You will design, build, and scale the low-level systems that power secure wallet infrastructure. You will implement and operate MPC signers, HSMs, and TEEs, build Rust-based services and middleware, integrate core systems with cloud, hardware, and blockchain environments, and optimize distributed databases and protocols for performance, security, and correctness. You will document systems, support partner and client discussions, and collaborate with product, research, and security to productionize advanced cryptography.
Requirements
- 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
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
Benefits
- Equity: 100-200 stock options vested over 4 years
- Healthcare
- Travel expenses reimbursement
- MacBook Pro and essential equipment
- Flexible working hours
- Open to full remote / work from anywhere
- Food service or stocked kitchen and free food and snacks
- Pet-friendly office