Senior Core Systems Engineer

Paris - France

Monthly Salary: Not Disclosed

Posted on: 30+ days ago

Vacancies: 1 Vacancy

Job Summary

Join a stellar team of leaders and experts in blockchain technology cryptography infrastructure and security to build the backbone of blockchain wallet infrastructure for the next financial era. Client is hiring a Core Systems Engineer to design build and scale the systems at the heart of their platform: MPC HSMs TEEs and the middleware that ties them together. Youll work deep in the stack building reliable distributed services and integrating them with cloud hardware and blockchain environments.

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.

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.
Remote - US or EU (remote-first office optional).
Must be in the US not Canada or in the European Union. France or Paris