Tommaso Pieroncini

Senior Software Engineer

Seattle, Washington, United States8 yrs 10 mos experience

Most Likely To SwitchHighly Stable

Key Highlights

Led architecture for GitHub's anti-abuse services.
Pioneered machine learning for abuse detection.
Achieved 99.9% delivery guarantees for notifications.

Stackforce AI infers this person is a SaaS expert with strong capabilities in microservices and DevOps.

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Skills

Core Skills

MicroservicesDevops

Other Skills

Docker ProductsMachine LearningGoMonitoringAzureC#TypeScriptSQLJavaPythonLatinMobile Application DevelopmentHTMLCSSPHP

About

Software engineer working on distributed cloud services who prioritizes attention to detail, data-driven analysis and development. In my day-to-day I focus on obtaining a comprehensive understanding of the services I work on, diagnosing live-site issues and identifying mitigations and resolutions, designing and developing new features, expanding test frameworks and alert systems accordingly. Completed my Bachelor's in Computer Science with a 3.97 GPA at Georgia Tech, with a focus on Artificial Intelligence and Systems & Architecture.

Experience

8 yrs 10 mos

Total Experience

2 yrs 3 mos

Average Tenure

5 yrs 10 mos

Current Experience

Github

4 roles

Senior Software Engineer

Sep 2024 – Present · 1 yr 8 mos

GitHub Copilot
Abuse prevention and detection
GPU capacity management
New LLM rollouts

Software Engineer III

Promoted

Sep 2022 – Sep 2024 · 2 yrs

⋇ Architecture lead for GitHub Actions' highly available anti-abuse services
⋇ Pioneered machine learning for detection of abuse on GitHub’s compute offerings, improving auto-flag rate by 30%.
⋇ Designed distributed solution to optimize daily streaming of TBs of compute usage data into the GitHub network.
⋇ Leading cross-team initiatives, contributing to long term planning and strategy, fostering growth of junior engineers.
⋇ Advocate for a live-site first culture, test-heavy codebase and automated and well documented production systems.

MicroservicesDevOpsDocker Products

Software Engineer II

Aug 2021 – Sep 2022 · 1 yr 1 mo

⋇ Primary owner of a Go library for on-VM monitoring that lowered abuse-related incidents by 90%.
⋇ Implemented canaries for defense in depth against supply chain attacks on the GitHub Actions ecosystem.
⋇ Found and patched unexploited security vulnerabilities within GitHub Actions.
⋇ Networking expert for GitHub Actions: solved hard networking incidents and added documentation.
⋇ Led cross-team design efforts, technical interviews, customer support calls, responded to security incidents.
⋇ First team member to join on-call rotation for the services supporting GitHub Actions hosted runners. Rolled out several targeted mitigations to mitigate abuse campaigns on the product. Created Jupyter notebooks to improve validation process of the rules.

MicroservicesDevOpsDocker Products

Software Engineer

Jul 2020 – Aug 2021 · 1 yr 1 mo

⋇ Took primary ownership of new product areas involving webhooks and all customer notifications and alerts. Proposed and implemented performance improvements to guarantee high reliability and availability objectives for notification delivery (99.9% delivery guarantees).
⋇ Created compliant deployment pipeline for GHAE - a version of GitHub integrated with a customer’s Azure tenant.
⋇ Built a custom Azure EventHub integration between the Microsoft internal alerting system and a GitHub equivalent.
⋇ In the role of subject matter expert for several ADO framework services, I supported evolution of the product and handoff of services to newly formed partner teams.
⋇ Handled several high severity incidents and in-depth technical investigations as primary on-call responder across 6 micro-services.

MicroservicesDevOps

Microsoft

2 roles

Software Engineer

Jul 2019 – Jul 2020 · 1 yr · Redmond, Washington, United States

⋇ Full stack development in C#, TypeScript and SQL on multiple micro-services powering Azure DevOps (ADO).
⋇ 1:1 mentorship from a principal engineer for the first 6 months.
⋇ Became owner of User service and worked on billing data service.
⋇ Respond to live-site issues, manage or consult in ongoing live-site investigations involving the service. Develop new features, related tests and monitors for the service.
⋇ Designed and implemented features to move ADO customer worflows, billing models and licenses to the cloud.
⋇ Automated secret rotation for both services and eliminated manual task to rotate 600+ secrets every 6 months.
⋇ Joined on-call live-site rotation for 5 different .NET micro-services.

MicroservicesDevOps

Software Engineer Intern

May 2018 – Aug 2018 · 3 mos · Redmond

⋇ Full stack development in C#, TypeScript and SQL on multiple microservices for the VSTS (Azure DevOps) Package Management product.
⋇ Shipped first feature within four weeks
⋇ Allowed users to connect package feeds with upstream repositories for all supported registry protocols.
⋇ Designed and developed hyperlink navigation around package dependencies for all supported protocols (npm, Maven, NuGet).
⋇ Designed and implemented REST API endpoints to query and filter local feed information on package dependencies

MicroservicesDevOps

Ingenious med

Software Engineer Intern

May 2017 – Aug 2017 · 3 mos · Atlanta Metropolitan Area

⋇ Full stack web developer in C# and JavaScript, implemented new features for two ASP.NET applications.
⋇ Modified REST API data contracts to allow upload of pictures and PDFs from mobile devices as documentation.
⋇ Implemented association of labels with application entities. Doubled BI reports speed of compilation.
⋇ Modified SQL scripts and stored procedures resulting in improved database performance (20% faster exec speed).

Georgia institute of technology

Resident Adviser

Aug 2016 – May 2018 · 1 yr 9 mos

⋇ Fostered environment that encourages community building, academic success, and multicultural awareness
⋇ Actively responded to residents’ needs and situations demonstrating adaptability, commitment and enthusiasm.