The interview
where code becomes
conversation.

RB Ruby ▶ Run

MCAK 2 people

solution.rb ×

1  class UrlShortener
2    def initialize
3      @urls = {}
4    end
5 
6    def shorten(url)
7      id = generate_id
8      @urls[id] = url
9      return "codelab.dev/#{id}"
10   end
11 end

Candidate · Maya

Interviewer · Alex

OUTPUTTERMINAL

$ bundle exec rspec
.....
5 examples, 0 failures

main* Ln 9, Col 35 UTF-8 Ruby

LIVE CURSORS / SHARED EDITOR / INSTANT EXECUTION

START A SESSION $ codelab create --language ruby

LIVE COLLABORATION ✦ REAL RUNTIMES ✦ SHARED TERMINALS ✦ ZERO SETUP ✦ STRUCTURED SIGNAL ✦ LIVE COLLABORATION ✦

THE SHARED SPACE 02 / PRODUCT

Real tools.
Real thinking.

No toy text boxes. Give candidates files, a terminal, test output, and the freedom to work through a problem their way.

codelab / candidate-session ● LIVE 2 PEOPLE

solution.rb ×

01  class PairFinder
02    def find(numbers, target)
03      seen = {}
04
05      numbers.each_with_index do |number, index|
06        match = target - number
07        return [seen[match], index] if seen.key?(match)
08        seen[number] = index
09      end
10    end
11  end

MAYA

TEST RUNNER

~/interview $ bundle exec rspec
......
6 examples, 0 failures

Designed around the
way engineers actually work.

JSPYRBGO

Set the stage

Choose a runtime, add your prompt, and invite the candidate. The environment is ready before they arrive.

PREPARE ↗

Think together

Follow their cursor, run the code, and collaborate naturally without taking over their process.

COLLABORATE ↗

Capture the signal

Review the work and leave structured feedback while the conversation is still fresh.

DECIDE ↗

FOR ENGINEERING TEAMS WHO CARE ABOUT THE CRAFT

Less performance.
More problem solving.

Begin your first interview ↗