Alexander Doan
Los Angeles,CA
Summary
Versatile engineer known for high productivity and efficient task completion. Skilled in automation, continuous integration and delivery (CI/CD), and cloud infrastructure management. Excel in problem-solving, collaboration, and adaptability, ensuring seamless operations and system reliability.
Overview
8
8
years of professional experience
Work History
Principal Software Development Engineer
Yahoo! Inc.
Los Angeles
08.2023 - Current
- Rearchitected the DNS serving stack to align with the public cloud migration strategy.
- Cross-team collaboration, supporting individual teams hybrid cloud traffic management, and load balancing requirements.
- Securely enabled internal APIs for AWS and GCP adopters using VPC private link services.
- Developed a custom DNS record Terraform provider supporting public cloud adoption.
- Implemented continuous delivery of IP geo data with integrated validation, eliminating two classes of incidents caused by stale or missing data.
Senior Software Development Engineer
Yahoo! Inc.
Los Angeles, CA
08.2020 - 08.2023
- Facilitated API-driven deployments, supporting automated platform upgrades across our bare-metal fleet.
- Created Ansible deploy pipelines consisting of custom roles and playbooks, supporting multiple teams and platforms.
- Developed Ansible plugins for logging, actions, inventory, and variable lookup.
- Built an automated functional test pipeline to enhance code quality and reduce development to delivery cycles.
Software Development Engineer III
Yahoo! Inc.
Los Angeles, CA
02.2017 - 08.2020
- Delivered feature upgrades for internal tools in weekly sprints.
- Developed serving state automation, improving DNS service reliability.
- Designed system for automatic service recovery in RAM-disk only environment.
- Took week long monthly on-call rotations.
Education
Bachelor of Science - Computer Science
University of Central Florida
Orlando, FL12-2016
Skills
- Ansible
- AWS
- CICD
- Cloud migration
- Containerization technologies
- Docker
- GCP
- GO
- Infrastructure automation
- Python
- Terraform
- Test automation
Timeline
Principal Software Development Engineer
Yahoo! Inc.
08.2023 - Current
Senior Software Development Engineer
Yahoo! Inc.
08.2020 - 08.2023
Software Development Engineer III
Yahoo! Inc.
02.2017 - 08.2020
Bachelor of Science - Computer Science
University of Central Florida
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