Zachary Eisinger
Verified Expert in Engineering
Software Engineering Developer
Snoqualmie, WA, United States
Toptal member since August 26, 2021
Zachary is a full-stack developer with experience developing IaaS to power secure, fast, and reliable continuous integration and continuous deployment. He works intensively with DevOps practices and runs GitHub actions and Azure Pipelines to improve their DevOps products. In addition, Zachary has worked in the eCommerce space, focused on authentication and user identity work.
Portfolio
Experience
- Software Engineering - 10 years
- Object-oriented Programming (OOP) - 8 years
- SQL - 8 years
- C# - 7 years
- Web Security - 4 years
- Azure - 4 years
- Open Source - 3 years
- GitHub Actions - 2 years
Work Experience
Senior Software Engineer
Glossier
- Selected and implemented an experimentation and feature-flagging platform for the organization while collaborating with security and data teams.
- Improved authentication service experience and security.
- Drove the implementation of a new CI provider across the organization.
Senior Software Engineer
GitHub
- Powered GitHub Actions and Azure DevOps pipelines as part of the infrastructure team.
- Guided improvements with surface insights that reduced machine lifecycle overhead for virtual environments and hosted agents used by Actions and Pipelines.
- Maintained and improved the Actions and set up of the .NET action used in the .NET Core starter workflow.
Senior Software Engineer
Microsoft
- Created a metric-driven microservice CI/CD pipeline for reliable and fast testing and efficient infrastructure usage.
- Collaborated with partner teams to improve the usability and advocated for customer-aligned Azure Pipelines—formerly Visual Studio Team Services.
- Reduced server usage costs for testing by 40% while increasing test coverage.
Web Developer
Matrix Group International
- Corresponded with clients and staff to improve and develop web applications.
- Audited and implemented security fixes for XSS and SQL injection vulnerabilities.
- Maintained and implemented new features for clients' websites as the primary engineering owner.
Project History
Set up .NET GitHub Action
http://github.com/actions/setup-dotnetEducation
Bachelor's Degree in Computer Science
University of Maryland - College Park, MD
Skills
Libraries/APIs
Node.js, React
Tools
GitHub, Amazon Cognito
Languages
C#, SQL, C#.NET, JavaScript, HTML5
Frameworks
.NET Core, .NET
Paradigms
Object-oriented Programming (OOP)
Platforms
Azure, Microsoft, Amazon Web Services (AWS), Visual Studio Code (VS Code)
Storage
Relational Databases, MySQL
Other
Software Engineering, GitHub Actions, Open Source, Web Security
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