Robert Hanlon
Software Engineer at Technology Partners
Missouri, United States
Summary
👤
Senior🎓
Top SchoolRobert Hanlon is a seasoned software engineer with 16 years of experience building pragmatic full-stack and backend solutions across Microsoft, Ruby, Clojure, and web technologies. Based in Missouri, he has delivered on fixed-cost government and enterprise projects, modernized legacy VB6 systems into scalable ASP.NET architectures, and automated SCCM workflows with PowerShell and ServiceNow integrations. He contributes to open-source projects—helping extend dry-rb/dry-types with intersection and implication types and improving test runners like Kaocha—bringing a strong emphasis on type correctness and robust test automation. Comfortable from SQL Server and PostgreSQL to Heroku-hosted Node apps, he combines hands-on coding with systems thinking and a growing interest in Domain-Driven Design. Colleagues rely on him to understand, define, and solve complex problems while balancing technical and business priorities.
16 years of coding experience
18 years of employment as a software developer
BS, Electrical Engineering, BS, Electrical Engineering at University of Missouri-Rolla
c#, javascript, xml
Github Skills (17)
unit-testing10
typesc10
mstest10
clojure-cli10
testing10
rspec10
typescript10
leiningen10
teste10
ruby10
clojure10
type-system10
testing-library10
constraint10
dry-rb10
Programming languages (14)
Github contributions (5)
lambdaisland/kaocha
Sep 2020 - Jul 2022
Full featured next gen Clojure test runner
Role in this project:
Backend Developer & Test Automation Engineer
Backend Developer & Test Automation EngineerContributions:7 reviews, 13 commits, 6 PRs in 1 year 10 months
Contributions summary:Robert focused on enhancing the Clojure test runner, Kaocha, by improving the `spec-test-check` plugin. They implemented features related to CLI option overrides, configuration precedence, and test suite integration. Their contributions include refactoring and adding tests, and fixing issues related to config reading and suite integration.
clojure-testclojureclojurescripttestingtesting-tools
dry-rb/dry-types
Jul 2022 - Oct 2022
Flexible type system for Ruby with coercions and constraints
Role in this project:Back-end Developer
Back-end DeveloperContributions:2 reviews, 13 commits, 5 PRs in 3 months
Contributions summary:Robert contributed significantly to the `dry-types` library, a flexible type system for Ruby. Their work focused on extending the type system's capabilities, specifically implementing support for intersection and implication types. They also addressed issues related to Zeitwerk loader integration, adding exclusions to improve eager loading. Furthermore, the user added specs to test and validate the new features.
rubytype-systemdry-rbcoercion
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