Hamid Ali حامدعلی👨🏻‍💻

Software engineer & founder @ Systemsd. AWS + AI · shipped across 19 industries. Building in public from Lahore.

[Anthropic @AnthropicAI]

We’ve received notice that the Department of Commerce has lifted export controls on Claude Fable 5 and Mythos 5.

We'll begin restoring access tomorrow, and will share an update soon.

We’re grateful to our users for their patience, and to everyone who worked with us on redeploying the models.

[Hamid Ali حامدعلی👨🏻‍💻 @hamidaliPAK]

Day 5/100: My father sold his bike to pay for my first semester. I still don't know how to repay that.

[Satya Nadella @satyanadella]

https://t.co/vLmiBKTtX3

[Hamid Ali حامدعلی👨🏻‍💻 @hamidaliPAK]

Day 4/100: My father's 3 rules: never get addicted, never live unearned luxury, never exploit someone's desperation.

[Hamid Ali حامدعلی👨🏻‍💻 @hamidaliPAK]

Day 3/100: As a kid I counted stars on my father's shoulder. I understood his words too late. Today I finally understand them all.

[Andrej Karpathy @karpathy]

This is a super exciting release - Claude Fable 5 is the same underlying model as Mythos but with added safeguards. The benchmarks are great and it's SOTA on everything by a margin but I'll add that *qualitatively* also, this is a major-version-bump-deserving step change forward (imo of the same order as Claude 4.5 was in November), peaking especially for long problem-solving sessions on very difficult problems. You can give it a lot more ambitious tasks than what you're used to, the model "gets it" and it will just go, and it's never felt this tempting to stop looking at the code at all (but don't do this in prod!). The model still has quirks that people will run into and the safeguards are configured to be a little too trigger happy for launch, which can hopefully be tuned over time.

I feel a lot of things changing as working software increasingly comes out on a tap. The Jevon's paradox kicks in and I feel my own demand for software growing substantially. You can ask for anything - explainers, visualizers, dashboards, bespoke single-use apps (e.g. a full wandb that is hyper-specific just for your project), you can 10X your test suite, auto-optimize code, run giant research projects with custom HTML for the results, anything! "Free your mind" (Matrix ref). Really looking forward to all the things people build!

[Hamid Ali حامدعلی👨🏻‍💻 @hamidaliPAK]

In the years when I had nothing to show, she was the one who saw something in me. She did not understand the work I was doing. She understood that I was working, and for her, that was enough.

[Hamid Ali حامدعلی👨🏻‍💻 @hamidaliPAK]

Day 1. I've been quiet for 6 years while building. Today I'm starting something I should have started a long time ago — 100 days of sharing what I've learned running a software agency from Pakistan with international clients. I'm not sure who will watch. I'm doing it anyway.

[Hamid Ali حامدعلی👨🏻‍💻 @hamidaliPAK]

Filmed this 6 weeks ago. I was thinking about how AI is reshaping the work I do every day as a software engineer. Posting it now because I'm starting a 100-day series on building, breaking, and rebuilding an agency in 2026. What's the AI shift hit you hardest in your own work?

[Thariq @trq212]

https://t.co/R6exTuF7P8

[Elon Musk @elonmusk]

😂

[Tom Dörr @tom_doerr]

System design interview notes based on bestselling guides

https://t.co/KXyPJ57JJL

[Vaishnavi @_vmlops]

Cracking the Forward Deployed
AI Engineer Interview

Roadmap, System Design, Case Studies & Mock Interviews
for FDE Roles in 2026

https://t.co/emig4UcqqH

[Jaynit @jaynitx]

Steve Jobs literally predicted the iPhone, the Internet, AI and the next 50 years of technology in a single speech from 1983:

[priyanshu.sol @priyanshudotsol]

someone wrote a 680 page interactive book on cs algorithms

[Neo Kim @systemdesignone]

If you want to become good at system design (in 2 weeks), then learn these 15 case studies:

1 How Apache Kafka Works
↳ https://t.co/8rOy9KgCMo

2 How Google Search Works
↳ https://t.co/jwOaC4bhnv

3 How YouTube Works
↳ https://t.co/kHk3g6jz6t

4 How Google Docs Works
↳ https://t.co/W57IkAjXpT

5 How WhatsApp Works
↳ https://t.co/VScq8QwHMr

6 How Airbnb Works
↳ https://t.co/Bi5SAjfv5S

7 How Spotify Works
↳ https://t.co/BxrH3oHIFS

8 How Slack Works
↳ https://t.co/eIo29uOQOJ

9 How Reddit Works
↳ https://t.co/o6Pw2hhj3T

10 How Bluesky Works
↳ https://t.co/2rLYlRlky0

11 How Twitter Works
↳ https://t.co/pF2RYmPaIG

12 How Uber Computes ETA
↳ https://t.co/hw1hYJqQmj

13 How Bitly Shortener Works
↳ https://t.co/tGndgdhH0V

14 How Stock Exchange Works
↳ https://t.co/iFNSX9TM9O

15 How Payment System Works
↳ https://t.co/ARiLxGR43G

What else should make this list?

===

👋 PS - Want my System Design Playbook (for Free)?

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[Santiago @svpino]

30 agents every AI Engineer must build.

This is the most comprehensive and practical book on AI Engineering that I've ever seen.

I can't think of a single use case that they didn't cover here:

1. The autonomous decision-making agent
2. The planning agent
3. The memory-augmented agent
4. The knowledge retrieval agent
5. The document intelligence agent
6. The scientific research agent
7. The tool-using agent
8. The agentic workflow system
9. The data analysis agent
10. The verification and validation agent
11. The general problem solver agent
12. The code generation agent
13. The security-hardened agent
14. The self-improving agent
15. The conversational agent
16. The content creation agent
17. The recommendation agent
18. The vision language agent
19. The audio processing agent
20. The physical world sensing agent
21. The ethical reasoning agent
22. The explainable agent
23. The healthcare intelligence agent
24. The scientific discovery agent
25. The financial advisory agent
26. The legal intelligence agent
27. The education intelligence agent
28. The collective intelligence agent
29. The embodied intelligence agent
30. The domain-transforming integration agent

I also read 50 Algorithms Every Programmer Should Know by Imran. Same vibe.

Here is the Amazon link: https://t.co/buLPqjToiu

[Nikki Siapno @NikkiSiapno]

MCP vs RAG vs AI Agents

[Rony @Ronycoder]

Instead of watching an hour of Netflix, watch this 2 hour hour Stanford lecture will teach you more about how LLMs like ChatGPT and Claude are built than most people working at top AI companies learn in their entire careers.

[Dhanian 🗯️ @e_opore]

Load Balancing Architecture