Byte-level BPE tokenizer source code on a laptop screen

Byte-Level BPE Tokenizer: A Hands-On Build Guide for Your CV

A practical, step-by-step guide to building a byte-level BPE tokenizer with regex pre-tokenization, signaling real NLP systems engineering skill to hiring managers.

September 17, 2026 · 10 min · 2069 words · martinuke0
A diagram of a BPE tokenizer pipeline

Build a BPE Tokenizer from Scratch: Parallel Vocab Builder, Priority‑Heap Merge Scheduler, Subword Regularization, and Streaming Encoder with LRU Caching

A hands‑on guide to building a production‑grade BPE tokenizer that demonstrates parallel processing, algorithmic scheduling, and caching strategies for hiring managers.

September 17, 2026 · 9 min · 1746 words · martinuke0
BPE tokenizer code

Building a BPE Tokenizer from Scratch in Pure Python

A hands‑on guide to implementing a byte‑pair encoding tokenizer in pure Python, covering vocabulary learning, encode/decode, and merge‑based subword segmentation.

September 16, 2026 · 1 min · 71 words · martinuke0
Code editor showing a tokenizer implementation with merge queue diagrams

Build a Streaming Byte-Level BPE Tokenizer: A Portfolio Project That Signals Real Systems Skill

A hands-on build guide for a streaming byte-level BPE tokenizer with persistent merge queues, atomic byte-loss tracking, and reversible byte fallback for arbitrary Unicode.

September 15, 2026 · 16 min · 3221 words · martinuke0
Animated visualization of BPE merges building a vocabulary table.

Build a Byte-Level BPE Tokenizer From Scratch: A Portfolio Project That Actually Signals Systems Skill

Ship a production-flavored BPE tokenizer end to end: byte-level pretokenization, regex splitting, merge learning, and a Tkinter visualization that animates each merge so you can actually see vocabulary grow.

September 7, 2026 · 12 min · 2388 words · martinuke0
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