eBay
Cryptography & Platform Security SWE
$119K–$206K
Austin · Hybrid · Full-time · Posted Sep 29, 2026
- Experience
- Typically 7+ years of software engineering experience focused on security and cryptography.
- Education
- Bachelor’s degree, Master’s degree, or equivalent experience in Computer Science, Engineering, or a related field.
- Visa sponsorship
- This role cannot offer any sort of visa sponsorship.
About the job
Build and operate high-assurance cryptographic services and libraries that secure authentication, transactions, communications, and data across eBay’s distributed platform.
What you'll do
- Design and deliver cryptographic services for encryption, digital signatures, and key management.
- Develop PKI and certificate lifecycle systems, and integrate cryptographic capabilities into Java services and hardware-backed security modules.
- Lead or participate in threat modeling, security reviews, and cryptographic design validation; improve performance, scalability, and resilience.
What they ask for
- Hands-on production experience with cryptographic algorithms and protocols, including RSA, ECC, DSA, and digital signatures.
- Strong understanding of PKI, certificate management, and trust models in large-scale distributed environments.
- Proficiency in Java, including JCA/JCE or secure J2EE applications integrating cryptographic services.
- Experience with key management interfaces such as PKCS#11 or KMIP, and secure coding practices.
Pay
$118,800 - $205,600 USD base salary
Tools
RSA, ECC, DSA, Java, JCA/JCE, PKCS#11, KMIP, TPM 2.0
Model-written summary · the original posting is authoritative