Shantanu Kotambkar
Software Engineer at Apple
Austin, Texas, United States
Summary
🤩
Rockstar🎓
Top SchoolShantanu Kotambkar is a software engineer with 8 years of experience building large-scale backend systems, currently working on Payments & Invoicing for Apple Ads in Austin. He has deep expertise in Go and cloud SDKs from his work at AWS, where he helped develop the Go v2 SDK and implemented tier-1 features for S3, EC2 IMDSv2 and Outposts. A strong open-source contributor, he improved presigned URL handling, retry logic, and cross-platform CI/testing in the widely used aws-sdk-go repositories and added protocol correctness to the Smithy tooling. His background spans backend, DevOps, and mobile app work (Flutter and NativeScript), reflecting a pragmatic full-stack mindset. Colleagues describe him as detail-oriented with a knack for edge-case testing and production-ready robustness. He holds an MS in Computer Science from Indiana University Bloomington.
8 years of coding experience
3 years of employment as a software developer
Master of Science - MS, Computer Science, Master of Science - MS, Computer Science at Indiana University Bloomington
English
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (18)
testing10
java10
cicd10
aws-sdk10
javas10
go10
amazon-s310
aws-s310
http-protocol10
xml10
rest-api10
smithy10
s3-bucket10
api-design9
restful-api9
Programming languages (5)
Github contributions (5)
aws/aws-sdk-go-v2
Jun 2019 - Oct 2021
AWS SDK for the Go programming language.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:15 releases, 388 reviews, 275 commits in 2 years 4 months
Contributions summary:Shantanu primarily worked on the back-end implementation within the AWS SDK for Go v2 repository, focusing on improving the presigned URL functionality for various S3 APIs. They addressed and fixed issues related to handling cases with different and same region as well as cases with or without stream bodies. Their contributions included modifying existing code to ensure correct handling of request body and headers. The user's work involved adding and updating test cases to ensure code correctness and to cover different scenarios.
golangaws-sdksdkgoaws
aws/aws-sdk-go
Jul 2019 - Jul 2021
AWS SDK for the Go programming language (In Maintenance Mode, End-of-Life on 07/31/2025). The AWS SDK for Go v2 is available here: https://github.com/aws/aws-sdk-go-v2
Role in this project:Back-end Developer & DevOps Engineer
Back-end Developer & DevOps EngineerContributions:71 reviews, 39 commits, 87 PRs in 2 years
Contributions summary:Shantanu primarily contributed to the AWS SDK for Go repository by implementing features related to assuming roles using credential processes from shared configuration files. They also updated the SDK's testing infrastructure to include environment and CI testing, including Windows support. Furthermore, the user's work involved improving request retry logic and adding configurations to the default retryer, enhancing the SDK's resilience and configurability. Additionally, they refactored HTTP status code handling within the retryer.
golangaws-sdksdkgoaws
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