Nelson Wittwer
Founder at DevMixtape
Raleigh, North Carolina, United States
Summary
🤩
Rockstar🎓
Top SchoolNelson Wittwer is a Senior Staff Engineer and cloud architect based in Raleigh, NC, with 12 years of experience building scalable, production-grade systems and teams. He blends empathy-driven leadership with deep hands-on expertise in Ruby on Rails and AWS, having architected Terraform-managed infrastructure running 600+ containers and helped scale a financial product to over one million users. At Shopify he contributes to widely used Ruby projects (including enhancements to the shopify_app engine and shopify-api-ruby gem), improving local dev workflows and tunnel/webhook reliability. His background spans engineering leadership and CTO roles, giving him facility across product, security-aware operations, and developer experience. Colleagues know him for recruiting and mentoring strong teams while shipping pragmatic, well-tested code.
12 years of coding experience
14 years of employment as a software developer
BS, Management Information Systems, BS, Management Information Systems at Brigham Young University
Stackoverflow
64reputation
8kreached
1answer
4questions
Github Skills (20)
context-manager10
shopify-api10
apidoc10
webhooks10
rspec10
rails10
context-api10
ruby10
api10
shopify-app10
ruby-on-rails10
testing9
configuration-management9
unit-test9
minitest9
Programming languages (6)
Github contributions (5)
Shopify/shopify_app
Aug 2022 - Jan 2023
A Rails Engine for building Shopify Apps
Role in this project:
Back-end Developer
Back-end DeveloperContributions:69 reviews, 55 commits, 63 PRs in 4 months
Contributions summary:Nelson primarily contributed to the Shopify app's Rails engine, enhancing its functionality related to Cloudflare and Ngrok tunnels. They added support for Cloudflare tunnels, including code modifications in the install generator and tests. They also refactored the codebase, implementing Rails-style config comments for host explanations and updating the webhooks generator to use paths instead of addresses.
rails-enginesshopify-app
Shopify/shopify-api-ruby
Oct 2022 - Dec 2022
ShopifyAPI is a lightweight gem for accessing the Shopify admin REST and GraphQL web services.
Role in this project:Back-end Developer
Back-end DeveloperContributions:33 reviews, 8 commits, 31 PRs in 1 month
Contributions summary:Nelson primarily focused on enhancing the `shopify-api-ruby` gem by adding features and improving its support for various functionalities. Their contributions included adding host configuration options for localhost support, implementing features for session storage, and refactoring code related to host name and scheme handling. They also updated the version and dependencies, demonstrating a good grasp of the project's core components and configuration. The user also integrated changes related to deprecating session storage in favor of `shopify_app`.
graphqlrestshopifyshopify-apiwebservice
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.