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If you're looking for developers who care deeply about software tooling, developer productivity, and helping solve hard problems that developers encounter, please get in touch.

I was a software engineer at @twitter, working on the Privacy Tooling and Infrastructure team. Before that, I earned my Master's degree in Computer Science at @ubc, where my thesis investigated how developers investigate data-flow reachability questions.

If you can tell me what the code below evaluates to, chances are we're gonna get along great

#lang racket

(define (sbc s)
  (local [(define (zip s)
            (for/list ([c s]
                       [i (build-list (string-length s) add1)])
              `(,i ,(string c))))
          (define (upcase-evens lop)
            (for/list ([p lop])
              (match p
                [`(,i ,c) (if (not (odd? i))
                              (string-upcase c)
    (apply string-append ((compose upcase-evens zip) s))))

(sbc "hello, world")

@jyoo980's activity is private