Increased the secure development process adoption by 90% on business critical features by working cross-functionally with product/legal/engineering managers to identify security requirements early and defining documentation requirements for design docs.

Cultivated a shift-left security culture by leading a Security Champions program, organizing monthly meetings with 8 engineers to educate about common vulnerabilities, the security triage process, and secure development practices

Improved the application and infrastructure security posture by reviewing ~95% of all external facing and business critical features across the organization including mobile applications, server-to-server integrations, and infrastructure migrations.

Resolved all critical infrastructure vulnerabilities by utilizing CNAPP tooling, hardening policies and configurations in Terraform/Kubernetes manifests, and working with engineering managers to prioritize security improvements on team roadmaps.

Reduced risk of lateral movement by moving 100% of business critical secrets into AWS Secrets Manager/Hashicorp Vault. Established organization-wide patterns for secrets management by documenting standard operating procedures and helping engineers onboard their first secrets.

Remediated 95% of critical and high severity application vulnerabilities by building integrations with SCA and SAST tooling, triaging vulnerabilities across different applications and frameworks, and managing dashboards to monitor new vulnerabilities

Decreased fraudulent account enrollment on a cash reward mobile app by 85% by defining the security requirements for root detection and duplicate account detection features.

Designed APIs, implemented app privilege features, and created interface libraries for the security component of the Application Framework. (Rust/C++/Typescript/Yocto Project)

Drove efforts to publish APIs to internal and external customers, working with the SDK teams.

FireOS Factory Reset

Designed and implemented an OS factory reset feature that fixed a security vulnerability in eMMC firmware across all supported FireOS versions and 10+ devices. (C/C++/AOSP)

Lead discussions with eMMC vendors to triage the issue and worked with the performance team to ensure that the added latency was within the KPI thresholds.

FairPlay Streaming (FPS) DRM

Migrated all devices released post 2021 to an updated version of FPS Content Decryption Module (CDM) and OPTEE Trusted Application (TA) (C/C++/OPTEE)

Worked proactively with Apple to triage issues with the new binaries and memory-constrained devices, communicated timelines and progress to ensure timely device certifications.

Mitigated a crystal oscillator supply chain shortage from affecting ~8 million devices by quickly implementing a pragmatic solution that allowed other suppliers to be integrated. (C, C++)

Created a test suite to automate performance benchmark testing on new SoC candidates. (Python)

Created a database for hardware benchmarking results with a serverless web frontend powered by an AWS-based backend. (React/AWS Lambda/AWS CloudFormation)

Triaged and solved issues with Over-the-Air (OTA) updates of FireOS, an Amazon proprietary OS that is extended from Android Open Source Project (AOSP). (C/C++/Java)

Onboarded the new functionality to the Alexa Framework Service team.