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Sharafdin Yusuf

Sharafdin Yusuf

Lead Engineer & Researcher

Mogadishu, Somalia

Somali people should not only use AI tools made elsewhere, but also build, shape, and own the systems that reflect their language and culture.

Sharafdin Yusuf is the Lead Engineer and Researcher at Somast, leading the design and development of the company's technology platforms and research initiatives. His work spans software engineering, artificial intelligence, cybersecurity, developer infrastructure, and distributed systems. He focuses on building reliable, scalable, and secure technologies while guiding projects from research and architecture through production and long-term maintenance. He also leads the engineering direction behind Somast' open-source projects, AI infrastructure, and developer tools.

Focus areas
Software engineeringAICybersecurityDeveloper infrastructureDistributed systems
From the blog

Somali tokenizer v2: a decode bug, a byte-level fix, and a cleaner benchmark

Our v1 Somali tokenizer couldn't reconstruct its own output, decode(encode(x)) failed on every one of 49,424 held-out documents. v2 switches to byte-level BPE, fixes it, and comes out more efficient too: 1.3528 tokens/word on a corrected, document-level benchmark.

Aug 30, 2026 · 7 min

Dugsiiye Sponsored Every Bootcamp We Have Ever Run

Somast ran five bootcamps between September 2025 and July 2026, all sponsored by Dugsiiye, all open to anyone, all still online. What open access made possible, who Dugsiiye is, and what each organization brought to the partnership.

Aug 29, 2026 · 7 min

We Gave a Frontier Model Somali Language Standards, and the Result Surprised Us

A demanding mathematics translation experiment revealed how the Somali Language Standard can help frontier models produce Somali that is more accurate, natural, consistent, and explainable.

Aug 7, 2026 · 11 min

Somali Has 20 Million Speakers and No Source of Truth. SLS Fixes That.

Somali is spoken by more than 20 million people, yet almost nothing in software or AI can point to a single authoritative, machine-readable source for its spelling, grammar, or terminology. Here is what the Somali Language Standard is, why it exists, what it's built on, and what changes once it's complete.

Jul 18, 2026 · 10 min

Introducing the Somali Language Standard (SLS): Phase 1 Complete

We've formally published the first two standards of the Somali Language Standard (SLS), an open, machine-readable, CI/CD-validated framework for the Somali language, starting with the alphabet and the standards process itself.

Jul 9, 2026 · 6 min

Why Somali needs its own tokenizer

Foreign multilingual tokenizers over-segment Somali: BERT-base spends 2.69 tokens per word. Our native BPE tokenizer, trained on 529M words of SomNLP-Corpus, gets that down to 1.53: a 1.75× improvement.

Jul 7, 2026 · 7 min

Soplang v2.0.0: a compiler for the first Somali programming language

Our team shipped a Rust-based compiler for Soplang: Cranelift JIT and ahead-of-time builds, with syntax written entirely in Somali keywords.

Jun 30, 2026 · 6 min