Alex Forsyth
Senior Software Engineer at Meta
New York, New York, United States
Summary
🤩
Rockstar🎓
Top SchoolAlex Forsyth is a Senior Software Engineer with 11 years of experience building high-performance systems across cloud and AI domains, currently contributing to Meta’s AI stack in C++ on Muse Spark and next-gen models. Previously at AWS he helped launch developer tools and GenAI efforts and made notable backend contributions to the widely used aws-sdk-js and its v3 modular rewrite, improving HTTP handlers, pagination types, and service compatibility. He blends systems-level C++ expertise with practical cloud SDK experience and a history of shipping low-latency ads infrastructure and data visualization pipelines. Based in New York, he has a track record of solving dense engineering problems—from collision-avoiding chart label algorithms to memory-constant ingestion pipelines—and files a patent for his visualization work. Pragmatic and product-focused, he often surfaces subtle compatibility and type-safety fixes that keep large, distributed developer platforms robust.
11 years of coding experience
9 years of employment as a software developer
Computer Science, Computer Science, Computer Science, Computer Science at University of MichiganPalos Verdes High School
English
Github Skills (24)
javascript10
typescript10
aws-sdk10
aws10
amazon-s310
typescript-types10
aws-s310
typescripts10
s3-bucket10
nodejs9
fetch-api9
rest-api8
unit-test8
jtest8
jestjs8
Programming languages (7)
Github contributions (5)
aws/aws-sdk-js-v3
Jun 2020 - Jun 2021
Modularized AWS SDK for JavaScript.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:164 reviews, 39 commits, 105 PRs in 1 year
Contributions summary:Alex primarily contributed to the modularization and enhancement of the AWS SDK for JavaScript. Their work involved refactoring the `fetch-http-handler`, including removing CORS mode and updating testing. Additionally, they made type-related improvements, particularly regarding string buffers and pagination types within the SDK. Furthermore, the user integrated linting and prettifying tools to improve code quality and maintainability across the repository.
aws-sdkjavascriptaws-sdk-jstypescriptnodejs
aws/aws-sdk-js
Nov 2020 - May 2021
AWS SDK for JavaScript v2 (End-of-Life as of 09/08/2025). The AWS SDK for JavaScript v3 in the browser and Node.js is available here: https://github.com/aws/aws-sdk-js-v3
Role in this project:Backend Developer
Backend DeveloperContributions:12 reviews, 6 commits, 15 PRs in 5 months
Contributions summary:Alex primarily contributed to bug fixes and feature enhancements within the AWS SDK for JavaScript. Their work involved addressing issues in cloudwatch logs, the S3 endpoint parser, and content type header updates for services like LookoutMetrics, Finspace, and Finspacedata. Key changes included improvements to the S3 object lambda functionality and adjustments to the content-type headers for specific AWS services. These updates focused on improving the functionality and compatibility of the SDK.
awsaws-sdkaws-sdk-js-v3javascriptnodejs
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