Location
Seattle
Job Type
Full-time
Posted
June 27, 2026

Job Description

Description
The Amazon Cryptographic Libraries (ACL) team builds the cryptography that AWS services and a growing open-source community depend on, including AWS-LC, our FIPS-validated open-source libcrypto. As a Software Development Engineer you will shape the cryptographic implementations that run across all of Amazon and a growing number of open-source consumers. You will also help pioneer how we apply generative AI to open-source library security. Few teams let an SDE ship code this foundational: it runs on effectively every AWS service, ships to open-source partners, and has to be both correct and fast.

Key job responsibilities
- Design, implement, test, and maintain cryptographic functionality in AWS-LC and related libraries used across Amazon and by external open-source consumers.
- Own features end to end, from design through code review, testing, release, and operational support, on a codebase where correctness is non-negotiable.
- Build and apply generativ...

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