{"type":"post","id":"how-to-train-a-transformer-as-a-software-32d1f6","slug":"how-to-train-a-transformer-as-a-software-32d1f6","title":"How to train a Transformer (as a software engineer with no ML experience)","description":"A software engineer with no prior neural-network training experience built a transformer to judge positions in a CodinGame bot, using coding agents to write the model and training code.","retrieval_nugget":"A software engineer with no prior neural-network training experience built a transformer to judge positions in a CodinGame bot, using coding agents to write the model and training code.","published_at":"2026-11-13","updated_at":"2026-11-13","record_date":"2026-11-13","date_kind":"published_at","topics":["claude","coding-agents"],"entities":["AI Engg","CodinGame","Claude","d24L2"],"related_patterns":[],"novelty_label":"new_fact","what_changed":"A software engineer documents training a transformer from scratch for a CodinGame challenge, with no prior neural-network experience and strict runtime and size constraints.","prior_refs":[],"source_url":"https://aiengg.dev/blog/how-to-train-a-transformer","source_urls":["https://aiengg.dev/blog/how-to-train-a-transformer"],"schema_version":"newruntime-agent-readable-v0.2","stable_id":"post:how-to-train-a-transformer-as-a-software-32d1f6","status":"published","visuals":[],"editor":{"role":"editor","name":"Andrey Reshetnikov","profile":"https://newruntime.com/owner-profile.md","profile_json":"https://newruntime.com/owner-profile.json","same_as":["https://www.linkedin.com/in/reshetnikov1/","https://t.me/lapetuse"]},"routes":{"html":"https://newruntime.com/posts/how-to-train-a-transformer-as-a-software-32d1f6/","markdown":"https://newruntime.com/posts/how-to-train-a-transformer-as-a-software-32d1f6.md","json":"https://newruntime.com/posts/how-to-train-a-transformer-as-a-software-32d1f6.json"},"markdown_url":"https://newruntime.com/posts/how-to-train-a-transformer-as-a-software-32d1f6.md","next_reads":[{"type":"topic","path":"/topics/claude/","url":"https://newruntime.com/topics/claude/","title":"Claude","reason":"Explore the claude topic hub.","media_type":"text/html","markdown_url":"https://newruntime.com/topics/claude.md","json_url":"https://newruntime.com/topics/claude.json"},{"type":"topic","path":"/topics/coding-agents/","url":"https://newruntime.com/topics/coding-agents/","title":"Coding Agents","reason":"Explore the coding-agents topic hub.","media_type":"text/html","markdown_url":"https://newruntime.com/topics/coding-agents.md","json_url":"https://newruntime.com/topics/coding-agents.json"},{"type":"collection","path":"/posts/","url":"https://newruntime.com/posts/","title":"Field Notes","reason":"Open the latest editorial analysis.","media_type":"text/html","json_url":"https://newruntime.com/posts.json"},{"type":"collection","path":"/sources/","url":"https://newruntime.com/sources/","title":"Sources","reason":"See the original sources this archive cites.","media_type":"text/html"}]}