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Apex Systems Logo Apex Systems · IT - Software Development

Cryptography & Confidential Computing Engineer

United States, Concord 70.00 - 75.00 USD / Hour · Job Posted June 10, 2026
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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.

Job Responsibility

  • 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
  • Design and implement threshold cryptography and MPC protocols (e.g., DKLS23, GG20)
  • Build high-performance ECDSA key generation and signing systems
  • Ensure cryptographic operations are secure, scalable, and auditable
  • 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
  • Design and implement RATS-based attestation workflows
  • Integrate Key Broker Services (KBS) and attestation services
  • Ensure hardware/software integrity verification before key usage
  • 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
  • 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
  • Bind business approvals (e.g., WebAuthn assertions) directly to cryptographic signing flows
  • Eliminate gaps between approval and execution through cryptographic controls
  • Ensure compliance and enforceability within transaction workflows

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)

Nice to have

  • Experience with attestation frameworks (RATS, Key Broker Services)
  • Experience with Kubernetes and confidential containers (CoCo)
  • Experience with WebAuthn/FIDO2 or identity integrations
  • Experience in digital asset custody, fintech, or high-security environments
  • Familiarity with CNCF Trustee or similar frameworks

What we offer

  • medical
  • dental
  • vision
  • life
  • disability
  • ESPP (employee stock purchase program)
  • 401K program with company match after 12 months of tenure
  • HSA (Health Savings Account on the HDHP plan)
  • SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions
  • corporate discount savings program
  • other discounts
  • on-demand training program
  • access to certification prep and library of technical and leadership courses/books/seminars once 6+ months of tenure
  • certification discounts and other perks to associations including CompTIA and IIBA
  • dedicated customer service team for Consultants
  • certified Career Coach
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