JR Boyens is an infrastructure engineering manager in Seattle with 17 years building resilient, high-performance systems and teams across startups and enterprise environments. He combines hands-on SRE and backend engineering experience—from scaling real-time NLP and ad-serving systems at ChaCha to leading SRE at Flexe—with a track record of delivering projects on time and under budget. JR’s technical breadth includes Ruby on Rails, Python, JavaScript, domain-specific language design, NLP, and machine learning, and he’s contributed test- and mocking-focused improvements to well-known open-source tooling like jasmine-ajax. As a leader at Pivotal Labs and in director roles, he’s balanced client-facing responsibilities, hiring and P&L oversight, and engineering mentorship to grow strong, autonomous teams. Notably, he has deep expertise in turning language-processing research into production DSLs and scalable services that handled millions of queries per day. Now focused on infrastructure leadership, he blends pragmatic engineering with a talent for operationalizing complex ML/NLP workflows.
jasmine-ajax - A library for faking Ajax responses in your Jasmine suite.
Role in this project:
Full-stack Developer
Contributions:30 commits in 1 year 4 months
Contributions summary:JR primarily worked on improving the testing infrastructure for the jasmine-ajax library. This included refactoring existing tests, adding new tests to cover different scenarios, and removing support for deprecated libraries like Prototype.js. The user also focused on integrating a webmock style mocking, allowing the user to stub requests and simulate responses. Additionally, the user updated the code to handle HTTP authentication.
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JR Boyens - Infrastructure Engineering Manager at ReadMe