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Build a Protobuf Encoder

Build a Protocol Buffers encoder/decoder: varint encoding, ZigZag for signed ints, wire types, message + repeated/packed encoding, schema evolution rules, .proto compilation, and gRPC service definitions.

intermediate13 lessons4 chapters13 graded exercisesPython

No sign-up needed for lesson 1 · certificate on completion · sign up to save progress

What you’ll have built

Chapter by chapter. Every step is a graded exercise.

  • Schema & Encoding
  • Wire Format
  • Code Generation
  • Production
Starts in Python — solve in the language you choose in the editor, same tests either way.

Curriculum

4 chapters, 13 lessons. Each lesson is a short read, one graded exercise, and a quiz.

  1. 1What Protobuf SolvesRead · exercise · quiz
  2. 2Varint EncodingRead · exercise · quiz
  3. 3Field EncodingRead · exercise · quiz
  4. 4ZigZag Encoding for Signed IntsRead · exercise · quiz
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