Alex Weisberger
Senior Software Engineer at Relay Payments
Freehold, New Jersey, United States
Summary
🤩
Rockstar🎓
Top SchoolAlex Weisberger is a Senior Software Engineer with 11 years of experience building full-stack and mobile systems, now based in Freehold, NJ and currently at Datadog while also leading engineering at Relay Payments. He has a strong background in Ruby on Rails backends, native iOS/Android apps (Swift/Kotlin), and front-end work in AngularJS/React, and has led significant UI refactors and analytics pipeline projects integrated with Looker. Alex contributes to open-source property-based testing through Hypothesis, notably advancing the hypothesis-ruby bindings and Rust backend integration, highlighting a knack for cross-language interoperability. He has repeatedly shipped tooling to streamline engineering workflow—command-line utilities for authenticated requests and benchmarking, and utilities for Mechanical Turk and asset pipelines. Comfortable both as a hands-on developer and a tech lead, he pairs product-minded design with data-driven decision making. His electrical & computer engineering training underpins a pragmatic, systems-oriented approach to complex software problems.
11 years of coding experience
10 years of employment as a software developer
B.S., Electrical and Computer Engineering, B.S., Electrical and Computer Engineering at Rutgers, The State University of New Jersey-New Brunswick
Github Skills (5)
property-based-testing10
rust10
ruby10
fuzzing8
api-design6
Programming languages (12)
Github contributions (5)
HypothesisWorks/hypothesis
Nov 2020 - Mar 2021
Hypothesis is a powerful, flexible, and easy to use library for property-based testing.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:7 reviews, 63 commits, 18 PRs in 3 months
Contributions summary:Alex primarily worked on the hypothesis-ruby component of the project, which appears to be a Ruby library that utilizes the core Hypothesis engine. Their contributions include implementing bounded integers interop, generating integers and arrays, and refactoring code related to engine instantiation and test execution. The user also focused on the integration of the Rust backend, which included creating new bindings and adjusting code for proper function calls.
property-based-testingpythonincrementaltestingfuzzing
amw-zero/personal_finance
Aug 2020 - Aug 2022
Contributions:40 PRs, 116 pushes, 41 branches in 1 year 11 months
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.