Yenfry Feliz
Software Engineer at Amazon Web Services (AWS)
City of Middletown, New York, United States
Summary
🤩
Rockstar🎓
Top SchoolYenfry Feliz is a pragmatic software engineer with ~5 years of experience building and supporting cloud-native developer tools at Amazon Web Services, specializing in Java, Python, and C. He moved from developer support into engineering work on the AWS SDK for PHP, where his contributions fixed subtle bugs around signing, presigning, IMDS fallbacks and S3 access-point handling—improving reliability for a widely used open-source SDK. Comfortable diagnosing distributed-system issues and authoring internal diagnostic tools, he blends customer-facing empathy from support roles with hands-on backend engineering. Based in Middletown, NY, he also runs production systems for a contract lottery platform, showing an ability to maintain high-availability services across diverse stacks. Colleagues rely on him for clear abstractions, pragmatic fixes, and cross-team collaboration that enhance developer experience at scale.
4 years of coding experience
10 years of employment as a software developer
Master of Administration, Master of Administration at ITLABachelor of Computer Science, Bachelor of Computer Science at Universidad Dominicana O&MBachelor of Business Administration, Bachelor of Business Administration at Academia Código Libre Dominicano - Fundación Código Libre
Github Skills (6)
debug10
php10
cloud-storage10
aws-sdk10
api8
apidoc8
Programming languages (4)
Github contributions (5)
aws/aws-sdk-php
Mar 2022 - Dec 2022
Official repository of the AWS SDK for PHP (@awsforphp)
Role in this project:
Back-end Developer
Back-end DeveloperContributions:217 reviews, 5 commits, 95 PRs in 8 months
Contributions summary:Yenfry primarily focused on bug fixes and addressing warnings within the AWS SDK for PHP repository. Their contributions involved correcting issues related to function parameter handling, such as `ucfirst()` and `strlen()`, preventing potential errors. They also fixed a signing and presigning issue with S3 object lambda requests and addressed a copy file failure when using access point ARNs. Further work included making IMDSv1 fallback optional and the correction of an event parsing iterator.
phpamazonaws-sdksdkaws
yenfryherrerafeliz/aws-sdk-js-v3
Jun 2022 - Oct 2023
Modularized AWS SDK for JavaScript.
Contributions:18 pushes, 1 branch in 1 year 4 months
javascriptaws-sdkmodularizedsdknodejs
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.