Cryptography & Confidential Computing Engineer - CA

Job#: 3037864

Job Description:

Client:
Financial Services / Digital Assets Platform

Team: TBA

Job Title:

Specialty Software Engineer 3 / Cryptography & Confidential Computing Engineer

Location:

CA (assumed hybrid or aligned with enterprise hubs)

Contract Length: 12mo

Pay Rate: $70 - $75

Top Requirements:

* 7+ years of systems-level engineering with strong Go and Rust expertise

* Deep experience with applied cryptography, specifically MPC and threshold signature schemes

* Hands-on experience with Confidential Computing (TEE technologies like AMD SEV-SNP, Intel SGX/TDX)

Plusses:

* Experience with attestation frameworks (RATS, Key Broker Services)

* Experience with Kubernetes and confidential containers (CoCo)

* Experience with Web Authn/FIDO2 or identity integrations

* Experience in digital asset custody, fintech, or high-security environments

* Familiarity with CNCF Trustee or similar frameworks

Job Summary:

In this contingent resource assignment, you may:
Consult on or participate in moderately complex initiatives and deliverables within Specialty Software Engineering and contribute to large-scale planning related to Specialty Software Engineering deliverables. Review and analyze moderately complex challenges requiring in-depth evaluation of variable factors. Contribute to the resolution of moderately complex issues while leveraging strong understanding of policies, procedures, and compliance requirements. Collaborate with client personnel in Specialty Software Engineering.

Day-to-Day Responsibilities:

Cryptography & MPC Engineering

* Design and implement threshold cryptography and MPC protocols (e.g., DKLS
23, GG20)

* Build high-performance ECDSA key generation and signing systems

* Ensure cryptographic operations are secure, scalable, and auditable

Confidential Computing & Secure Enclaves

* Develop services running inside Trusted Execution Environments (AMD SEV-SNP, Intel TDX/SGX)

* Implement confidential container solutions for secure execution

* Write memory-safe code (Rust/Go) ensuring zero exposure of sensitive key material

Attestation & Security Architecture

* Design and implement RATS-based attestation workflows

* Integrate Key Broker Services (KBS) and attestation services

* Ensure hardware/software integrity verification before key usage

Infrastructure & Platform Engineering

* Build secure systems where cloud infrastructure is treated as untrusted

* Design defense-in-depth architectures across distributed environments

* Support orchestration and deployment using modern container platforms

Secure Key Management & Recovery

* Design "cold ceremony" workflows using offline hardware tokens (KEKs)

* Support disaster recovery and long-term secure storage mechanisms

* Integrate hardware-based security controls into platform architecture

Policy & Business Logic Integration

* Bind business approvals (e.g., Web Authn assertions) directly to cryptographic signing flows

* Eliminate gaps between approval and execution through cryptographic controls

* Ensure compliance and enforce ability within transaction workflows

EEO Employer

Apex Systems is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law.

Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law. If you have visited our website in search of information on employment opportunities or to apply for a position, and you require an accommodation in using our website for a search or application, please contact our Employee Services Department at [email protected] or .

Everforth Apex is a world-class IT services company that serves thousands of clients across the globe. When you join Everforth Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package.

Our commitment to excellence is reflected in many awards, including Clearly Rateds Best of Staffing in Talent Satisfaction in the United States and Great Place to Work in the United Kingdom and Mexico.

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