Seth Silesky
Staff Software Engineer at Twilio
Austin, Texas, United States
Summary
🤩
Rockstar🎓
Top SchoolSeth Silesky is a Staff Software Engineer in Austin with 11 years building reliable web libraries, SDKs, and developer-facing tooling across companies like Twilio (Segment), ShipStation, Leafly, and IBM. He specializes in TypeScript full‑stack work and improving developer experience, from SDKs and service generators to CI and test automation. At Segment he contributed to the widely used analytics-js SDK, adding CDN customization and integration tests—an example of shipping pragmatic, production-grade features that improve distribution and reliability. More recently he’s focused on AI-driven auto-instrumentation, blending systems and developer ergonomics to simplify observability. Seth’s background in English (BA/MA) informs clear technical communication and thoughtful design of developer interfaces. He pairs deep implementation experience with a knack for improving build and release workflows that scale across teams.
11 years of coding experience
8 years of employment as a software developer
Bachelor's degree English, Bachelor's degree English at Purdue UniversityMaster's degree English, Master's degree English at University of New Orleans
English
Github Skills (16)
cdn10
typescript10
lerna10
javascript10
typescripts10
sdk10
jestjs10
typescript-types10
cicd10
jtest10
jes10
analytics9
testing9
k8
webpack8
Programming languages (15)
Github contributions (5)
segmentio/analytics-next
Apr 2022 - Jan 2023
Segment Analytics for Javascript
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:30 releases, 720 reviews, 232 commits in 9 months
Contributions summary:Seth primarily contributed to the development of the Segment Analytics for Javascript SDK, with a focus on implementing and enhancing features related to content delivery networks (CDNs). They added support for specifying CDN URLs during the .load call and also worked on overriding the default Segment CDN. The user's contributions also included creating integration tests for the new CDN feature. These changes involved modifying core JavaScript files and test files to enable and validate the new functionality.
analyticsjavascriptsdksegment-analyticssegment
segmentio/action-destinations
May 2022 - Jan 2023
Action Destinations are the new way to build streaming destinations on Segment.
Role in this project:Automation Engineer / Build & Release Engineer
Automation Engineer / Build & Release EngineerContributions:84 reviews, 27 commits, 35 PRs in 8 months
Contributions summary:Seth primarily contributed to improving the build and testing processes within the `segmentio/action-destinations` repository. Their commits included updating scripts to utilize a local lerna instance, which likely streamlined the build workflow. Furthermore, they implemented running core tests in a real browser, which indicates a focus on enhancing test coverage and reliability. These actions suggest a role centered around automating and optimizing the software development lifecycle.
destinationsstreamingsegment
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