Alex Jensen
Software Engineer III at Wrapbook
Arvada, Colorado, United States
Summary
👤
Senior🎓
Top SchoolAlex Jensen is a pragmatic Software Engineer III with 11 years of experience building and refactoring backend systems, currently shaping payments and payroll infrastructure at Wrapbook. He specializes in maintainable server-side code and performance-minded data access, consistently crafting fast SQL and NoSQL queries across Ruby on Rails and Elixir/Phoenix stacks. Alex progressed from web developer and API work to staff-level engineering, bringing hands-on operational experience maintaining Linux servers and production CRMs. An active open-source contributor to Exercism’s Ruby and Elixir tracks, he focuses on rigorous test suites and edge-case coverage that improve developer experience for learners. Based in Arvada, Colorado, he learns new technologies quickly and favors pragmatic solutions that reduce long-term maintenance burden.
12 years of coding experience
7 years of employment as a software developer
9-10, 9-10 at North Area Option School at Arvada High SchoolHigh School, Engineering, 11-12, High School, Engineering, 11-12 at Ralston Valley High SchoolMathematics and Computer Science, Mathematics and Computer Science at Colorado School of MinesCertificate of Web Application Development with Ruby, Rails, and Javascript, Web Development, Certificate of Web Application Development with Ruby, Rails, and Javascript, Web Development at Turing School of Software & Design
English
Github Skills (10)
minitest10
testing10
tracks10
elixir10
ruby10
co9
test-automation9
cc9
refactoring9
acc9
Programming languages (11)
Github contributions (5)
exercism/elixir
Feb 2016 - Jun 2016
Exercism exercises in Elixir.
Role in this project:
Backend Developer
Backend DeveloperContributions:22 commits, 16 PRs, 70 comments in 4 months
Contributions summary:Alex primarily contributed to the Elixir-based exercism track by adding and updating exercise tests. Their work included implementing tests for the "queen-attack," "saddle-points," and "connect" exercises, as well as modifying existing tests for the "zipper" and "bank-account" exercises. They also updated the `run-length-encoding` exercise and made general test suite improvements and fixes.
elixirexercism-trackcommunity-contributions-accepted
exercism/ruby
Jan 2015 - Jun 2015
Exercism exercises in Ruby.
Role in this project:QA Engineer / Test Automation Engineer
QA Engineer / Test Automation EngineerContributions:6 commits, 6 PRs, 3 comments in 5 months
Contributions summary:Alex primarily contributed to the testing aspect of the Ruby exercises repository. Their commits focused on modifying and enhancing existing test cases, including updating assertions to improve clarity and efficiency. The user corrected existing tests by refactoring assertions and making minor adjustments to adapt the testing suite to the given exercises. They have added and modified tests to validate edge cases and functionality.
rubyexercism-trackcommunity-contributions-paused
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