Timothy Spangler 👨‍💻 Full stack software engineer

Worked collaboratively on products that process millions of email messages per day while maintaining HIPAA compliance and HITRUST CSF certification
Co-invented and implemented a zero trust security solution for inbound email (patent pending)
Wrote React components and associated API endpoints to walk users through signing up for the product, configuring their mail servers and upgrading their product package
Led the design and implementation of microservices to transcribe audio messages and automate tedious electronic health record system workflows
Ported cumbersome legacy shell scripts to Ruby while maintaining security and performance
Interviewed, onboarded and mentored new developers on a fast-growing team

As a member of the Digital Subscriptions team, developed and maintained mission-critical, Rails-backed systems to manage paywalls and subscription services at enterprise scale for more than a dozen major news properties, including the Chicago Tribune and New York Daily News
Developed fault-tolerant libraries to integrate with internal systems and third-party APIs
Routinely reviewed the code of teammates, providing constructive feedback and ensuring quality prior to production deployment
Ported legacy serverside Java code to modern Ruby

Planned, developed and deployed full stack applications for large and small clients in the U.S., Canada and Israel
Integrated payment gateways and APIs (including Stripe, Braintree, PayPal and Segpay) with web and mobile apps
Localized and internationalized Rails apps in English and French
Pair programmed with and managed remote contractors worldwide

Planned and executed a complete standards-compliant visual and code-level overhaul of Elks.org, used by nearly one million Elks nationwide
Designed, implemented, tested and deployed a flexible, dynamic system for Elks National Foundation scholars to apply for scholarships

Spangler, Timothy and Greevy, Hoala. 2021. System and method for verifying authenticity of inbound emails within an organization. USPTO #63/231,845, provisional patent filed August 11, 2021.

Frontend development with vanilla JavaScript, React and accessible HTML5/CSS3
Backend development with Rails, Sinatra and node.js
Headless development using Gatsby, Prismic and Netlify
Linux shell scripting (bash/zsh)
Inbound and outbound email flow and delivery, including Postfix configuration, custom filters/milters, SpamAssassin rulesets and proper MX, DKIM, DMARC and SPF configuration
API and microservice design and architecture
Fluent in iOS development in both Swift and Objective-C
Fanatical about source control with git and testing with rspec
Devops experience deploying Docker-based cloud applications, as well as configuration and maintenance of EC2 instances and associated AWS services (S3, Glacier, SES) and CI/CD via Travis and Jenkins
Published newspaper reporter
日本語がちょっと分かります。 (elementary Japanese proficiency)

Reported–in both multimedia and print–on consumer affairs for the Medill News Service.
Led a Yahoo!-funded team tasked with revamping the web presence of the Chicago Filmmakers, with an emphasis on multimedia and social integration