From Scratch: Implementing the Transformer Architecture in Python
📰 Medium · AI
Learn to implement the Transformer architecture in Python from scratch and understand its significance in deep learning
Action Steps
- Implement the Transformer architecture in Python using the PyTorch library
- Build a self-attention mechanism to handle sequence modeling tasks
- Configure the Transformer model with multiple encoder and decoder layers
- Test the model on a sequence modeling task, such as language translation
- Apply the Transformer architecture to other sequence modeling tasks, such as text classification or sentiment analysis
Who Needs to Know This
This tutorial is beneficial for machine learning engineers and researchers who want to dive deeper into the Transformer architecture and its applications. It can help them improve their skills in building and implementing sequence modeling tasks.
Key Insight
💡 The Transformer architecture relies entirely on attention mechanisms, eliminating the need for recurrence or convolution in sequence modeling tasks
Share This
🤖 Implement the Transformer architecture in Python from scratch and revolutionize your sequence modeling tasks! #Transformer #PyTorch #DeepLearning
Key Takeaways
Learn to implement the Transformer architecture in Python from scratch and understand its significance in deep learning
Full Article
Title: From Scratch: Implementing the Transformer Architecture in Python
URL Source: https://medium.com/@johirbuet/from-scratch-implementing-the-transformer-architecture-in-python-3380199aafac?source=rss------artificial_intelligence-5
Published Time: 2026-06-20T01:01:03Z
Markdown Content:
# From Scratch: Implementing the Transformer Architecture in Python | by Md Johirul Islam | Jun, 2026 | Medium
[Sitemap](https://medium.com/sitemap/sitemap.xml)
[Open in app](https://play.google.com/store/apps/details?id=com.medium.reader&referrer=utm_source%3DmobileNavBar&source=post_page---top_nav_layout_nav-----------------------------------------)
Sign up
[Sign in](https://medium.com/m/signin?operation=login&redirect=https%3A%2F%2Fmedium.com%2F%40johirbuet%2Ffrom-scratch-implementing-the-transformer-architecture-in-python-3380199aafac&source=post_page---top_nav_layout_nav-----------------------global_nav------------------)
[](https://medium.com/?source=post_page---top_nav_layout_nav-----------------------------------------)
Get app
[Write](https://medium.com/m/signin?operation=register&redirect=https%3A%2F%2Fmedium.com%2Fnew-story&source=---top_nav_layout_nav-----------------------new_post_topnav------------------)
[Search](https://medium.com/search?source=post_page---top_nav_layout_nav-----------------------------------------)
Sign up
[Sign in](https://medium.com/m/signin?operation=login&redirect=https%3A%2F%2Fmedium.com%2F%40johirbuet%2Ffrom-scratch-implementing-the-transformer-architecture-in-python-3380199aafac&source=post_page---top_nav_layout_nav-----------------------global_nav------------------)

Member-only story
# From Scratch: Implementing the Transformer Architecture in Python
[](https://medium.com/@johirbuet?source=post_page---byline--3380199aafac---------------------------------------)
[Md Johirul Islam](https://medium.com/@johirbuet?source=post_page---byline--3380199aafac---------------------------------------)
Follow
6 min read
·
Just now
[](https://medium.com/m/signin?actionUrl=https%3A%2F%2Fmedium.com%2F_%2Fvote%2Fp%2F3380199aafac&operation=register&redirect=https%3A%2F%2Fmedium.com%2F%40johirbuet%2Ffrom-scratch-implementing-the-transformer-architecture-in-python-3380199aafac&user=Md+Johirul+Islam&userId=4ec644267902&source=---header_actions--3380199aafac---------------------clap_footer------------------)
[](https://medium.com/m/signin?actionUrl=https%3A%2F%2Fmedium.com%2F_%2Frepost%2Fp%2F3380199aafac&operation=register&redirect=https%3A%2F%2Fmedium.com%2F%40johirbuet%2Ffrom-scratch-implementing-the-transformer-architecture-in-python-3380199aafac&user=Md+Johirul+Islam&userId=4ec644267902&source=---header_actions--3380199aafac---------------------repost_header------------------)
[](https://medium.com/m/signin?actionUrl=https%3A%2F%2Fmedium.com%2F_%2Fbookmark%2Fp%2F3380199aafac&operation=register&redirect=https%3A%2F%2Fmedium.com%2F%40johirbuet%2Ffrom-scratch-implementing-the-transformer-architecture-in-python-3380199aafac&source=---header_actions--3380199aafac---------------------bookmark_footer------------------)
[Listen](https://medium.com/m/signin?actionUrl=https%3A%2F%2Fmedium.com%2Fplans%3Fdimension%3Dpost_audio_button%26postId%3D3380199aafac&operation=register&redirect=https%3A%2F%2Fmedium.com%2F%40johirbuet%2Ffrom-scratch-implementing-the-transformer-architecture-in-python-3380199aafac&source=---header_actions--3380199aafac---------------------post_audio_button------------------)
Share
Press enter or click to view image in full size

Transformers changed deep learning by showing that sequence modeling could be built **entirely around attention**, without recurrence or convolution. In the original _Attention Is A
URL Source: https://medium.com/@johirbuet/from-scratch-implementing-the-transformer-architecture-in-python-3380199aafac?source=rss------artificial_intelligence-5
Published Time: 2026-06-20T01:01:03Z
Markdown Content:
# From Scratch: Implementing the Transformer Architecture in Python | by Md Johirul Islam | Jun, 2026 | Medium
[Sitemap](https://medium.com/sitemap/sitemap.xml)
[Open in app](https://play.google.com/store/apps/details?id=com.medium.reader&referrer=utm_source%3DmobileNavBar&source=post_page---top_nav_layout_nav-----------------------------------------)
Sign up
[Sign in](https://medium.com/m/signin?operation=login&redirect=https%3A%2F%2Fmedium.com%2F%40johirbuet%2Ffrom-scratch-implementing-the-transformer-architecture-in-python-3380199aafac&source=post_page---top_nav_layout_nav-----------------------global_nav------------------)
[](https://medium.com/?source=post_page---top_nav_layout_nav-----------------------------------------)
Get app
[Write](https://medium.com/m/signin?operation=register&redirect=https%3A%2F%2Fmedium.com%2Fnew-story&source=---top_nav_layout_nav-----------------------new_post_topnav------------------)
[Search](https://medium.com/search?source=post_page---top_nav_layout_nav-----------------------------------------)
Sign up
[Sign in](https://medium.com/m/signin?operation=login&redirect=https%3A%2F%2Fmedium.com%2F%40johirbuet%2Ffrom-scratch-implementing-the-transformer-architecture-in-python-3380199aafac&source=post_page---top_nav_layout_nav-----------------------global_nav------------------)

Member-only story
# From Scratch: Implementing the Transformer Architecture in Python
[](https://medium.com/@johirbuet?source=post_page---byline--3380199aafac---------------------------------------)
[Md Johirul Islam](https://medium.com/@johirbuet?source=post_page---byline--3380199aafac---------------------------------------)
Follow
6 min read
·
Just now
[](https://medium.com/m/signin?actionUrl=https%3A%2F%2Fmedium.com%2F_%2Fvote%2Fp%2F3380199aafac&operation=register&redirect=https%3A%2F%2Fmedium.com%2F%40johirbuet%2Ffrom-scratch-implementing-the-transformer-architecture-in-python-3380199aafac&user=Md+Johirul+Islam&userId=4ec644267902&source=---header_actions--3380199aafac---------------------clap_footer------------------)
[](https://medium.com/m/signin?actionUrl=https%3A%2F%2Fmedium.com%2F_%2Frepost%2Fp%2F3380199aafac&operation=register&redirect=https%3A%2F%2Fmedium.com%2F%40johirbuet%2Ffrom-scratch-implementing-the-transformer-architecture-in-python-3380199aafac&user=Md+Johirul+Islam&userId=4ec644267902&source=---header_actions--3380199aafac---------------------repost_header------------------)
[](https://medium.com/m/signin?actionUrl=https%3A%2F%2Fmedium.com%2F_%2Fbookmark%2Fp%2F3380199aafac&operation=register&redirect=https%3A%2F%2Fmedium.com%2F%40johirbuet%2Ffrom-scratch-implementing-the-transformer-architecture-in-python-3380199aafac&source=---header_actions--3380199aafac---------------------bookmark_footer------------------)
[Listen](https://medium.com/m/signin?actionUrl=https%3A%2F%2Fmedium.com%2Fplans%3Fdimension%3Dpost_audio_button%26postId%3D3380199aafac&operation=register&redirect=https%3A%2F%2Fmedium.com%2F%40johirbuet%2Ffrom-scratch-implementing-the-transformer-architecture-in-python-3380199aafac&source=---header_actions--3380199aafac---------------------post_audio_button------------------)
Share
Press enter or click to view image in full size

Transformers changed deep learning by showing that sequence modeling could be built **entirely around attention**, without recurrence or convolution. In the original _Attention Is A
DeepCamp AI