This is F*cking gold
andrej karpathy joined anthropic to lead a team using claude to accelerate its own pretraining research, teaching claude to help build the next version of itself.
that's real, confirmed directly. the "two anthropic seniors made his loop 1000x better with graph engineering" claim is not something i can verify anywhere, and i'm not going to invent a personal testimonial to make it sound more credible than it is.
what is genuinely worth reading: anthropic's own published claude cookbook on knowledge graph construction, extract, resolve, assemble, query, real and public, no leaked breakthrough required.
read that, then check the article below.
As a Backend Engineer, you must build these projects.
Systems that prove you can scale, secure & ship.
1.) High-Throughput API Service
Build: FastAPI or Go service handling 10k+ RPS with async processing.
Why: Proves you understand concurrency, latency & load balancing.
2.) Real-Time Data Pipeline
Build: Kafka or Flink pipeline processing events with exactly-once semantics.
Why: Shows you can handle streaming data not just batch jobs.
3.) Vector Search Engine
Build: Similarity search over millions of embeddings with metadata filtering.
Why: Modern backends need semantic search not just keyword matching.
4.) Distributed Cache Layer
Build: Redis-based caching with invalidation strategies and cache warming.
Why: Database performance depends on your caching strategy.
5.) Multi-Tenant Auth System
Build: OAuth2/OIDC provider with RBAC, SSO & session management.
Why: Security is non-negotiable. You must understand identity deeply.
6.) Background Job Queue
Build: Celery or Bull alternative with retry logic, dead-letter queues, priorities.
Why: Async task processing is the backbone of scalable systems.
7.) Observability Platform
Build: Distributed tracing, structured logging, metrics dashboards, alerting.
Why: You cannot fix what you cannot see. Debugging at scale requires visibility.
8.) Event-Driven Microservices
Build: Pub/Sub architecture with saga pattern for distributed transactions.
Why: Monoliths do not scale. You need to manage service communication.
9.) Infrastructure as Code
Build: Terraform or Pulumi scripts provisioning entire environments reproducibly.
Why: Manual deployment is dead. Automation is mandatory.
10.) Database Sharding Strategy
Build: Horizontal partitioning with consistent hashing and rebalancing logic.
Why: Vertical scaling has limits. You must know how to scale data.
11.) Security Middleware
Build: Rate limiting, WAF rules, input validation, DDoS protection layers.
Why: One vulnerability can destroy trust. Security is a feature.
12.) CI/CD Pipeline
Build: GitHub Actions with automated testing, canary deployments, rollback.
Why: Shipping fast means shipping safely. Automation reduces risk.
13.) Real-Time WebSocket Server
Build: Bidirectional communication for chat, notifications or live updates.
Why: HTTP is not enough for modern interactive experiences.
14.) Cost Optimization Dashboard
Build: Track cloud spend per service, identify waste, automate resource scaling.
Why: Engineering decisions impact profitability. FinOps is part of the job.
15.) Disaster Recovery Plan
Build: Backup strategies, failover testing, data restoration procedures.
Why: Systems fail. Your ability to recover defines reliability.
Most people watch tutorials. Builders ship systems.
Bookmark & Repost.
A 19-year-old Japanese student built a trading bot with Claude Code in 2 days.
Used his iPad as a second monitor.
First night: $6,732 profit.
Starting capital: $68.
Total profit so far: $750,000.
Here's how it works:
The bot scans over 50 markets simultaneously.
Syncs live BTC data from Binance every second.
Spots price errors before humans even notice.
The edge is pure speed + pattern recognition.
While traders stare at charts trying to predict the next move, his bot is already executing on mispricing across dozens of markets.
No guessing.
No emotions.
No hesitation.
Just Claude Code logic finding gaps that close in seconds.
He built the entire system in 48 hours:
โ Claude Code handles the trading logic
โ Binance API feeds real-time BTC data
โ iPad displays multi-market monitoring
โ Executes trades when arbitrage windows open
The system runs 24/7.
Every price dislocation = profit opportunity.
Most people are still trading manually, refreshing charts, second-guessing entries.
Meanwhile this 19-year-old engineering student turned $68 into $750K by letting Claude Code do what humans can't: process 50 markets instantly and execute without fear.
Why are people still trading manually?
๐ก I'm giving away the exact Claude Code setup for free.
24 hours only.
To get it:
1๏ธโฃ Comment "Fable"
2๏ธโฃ Like and Repost
3๏ธโฃ Follow @expertwith_AI
I'll DM you the complete setup.
@RailwaySeva kindly help me in this regard 2841364133
I have a confirmed ticket from BBSR to DDU and another confirmed ticket from Adra to BBSR but IRCTC is not allowing me to book the missing DDU to Adra segment even when seats are available. System provides no option.
@RailMinIndia@IRCTCofficial PNR: 2841364133
I have a confirmed ticket from BBSR to DDU and another confirmed ticket from Adra to BBSR but IRCTC is not allowing me to book the missing DDU to Adra segment even when seats are available. System provides no option. No help from 139
Ex-Google engineer just released a free 3-hour course on building and monetizing AI agents.
How to go from one agent to a full system that finds leads and makes money:
00:00 - Design an AI agent system
07:38 - Add human handoffs
19:27 - Understand RAG and vector databases
52:38 - Deploy agents to Google Cloud
1:25:57 - Turn agents into a paid WhatsApp business
1:33:00 - Convert conversations into leads
2:24:01 - Learn loops vs graphs
2:33:08 - Build a multi-tool agent graph
Most people are still building AI demos.
This course shows the full stack:
Agents โ RAG โ Deployment โ Leads โ Revenue
Building agents is the old workflow.
Monetizing agent systems is the new one.
This 3-hour watch covers more than most $500 paid courses.
Save it before everyone starts selling the same thing.
@RailMinIndia@RailwaySeva@IRCTCofficial
Travelling on Train No. 12802 Purushottam Express from New Delhi to Gaya Jn with a valid general ticket purchased from the counter due to a medical emergency.
After chart preparation, I found a vacant Sleeper berth and requested the TTE for an official upgrade. Instead, I was asked to pay โน1,000 in cash for the berth. The official fare difference from my ticket to Sleeper is only around โน200,
10 GitHub repos that should be illegal โ they're killing $50 billion in corporate revenue.
SAVE IT
1. yt-dlp
Downloads any video from YouTube, X, TikTok, Instagram, anywhere. YouTube Premium charges $14 a month to do less than this. It is 100% free.
Repo โ https://t.co/TaRtkcd4qy
2. Ollama
Run GPT-4-class AI on your laptop. No API costs. Developers spend $500 a month on OpenAI for what Ollama runs offline for $0.
Repo โ https://t.co/gyZhUdzsnZ
3. Fooocus
Midjourney-quality image generation on your own GPU. Midjourney charges $30 a month. Fooocus runs unlimited generations for free.
Repo โ https://t.co/NDPJpIdYJs
4. Whisper
OpenAI's transcription model, open-sourced. Otter charges $20 a month for what Whisper does for free, in 99 languages.
Repo โ https://t.co/blaJ4i4MnH
5. Plausible Analytics
Privacy-first Google Analytics replacement. Google Analytics 360 costs $150,000 a year for enterprises. Plausible self-hosted costs $0.
Repo โ https://t.co/RFrcpqTBQ7
6. AppFlowy
Open-source Notion. Notion charges $20 per user per month for teams. AppFlowy runs unlimited users on your server for free.
Repo โ https://t.co/IDMykTCkMU
7. Penpot
Open-source Figma. Figma charges $45 per editor per month. Penpot does the same job, self-hosted, free forever.
Repo โ https://t.co/Lx1CYUP4p4
8. n8n
Open-source Zapier. Zapier Pro costs $600 a month for a real workflow. n8n self-hosted runs unlimited automations for $0.
Repo โ https://t.co/hdycABGGc1
9. Cal .com
Open-source Calendly. Calendly Teams costs $16 per user per month. Cal. com is free for individuals and open source for teams.
Repo โ https://t.co/haz8ihRsHm
10. Bitwarden
Open-source 1Password. Password managers charge $8 per user. Bitwarden is unlimited, forever, free.
Repo โ https://t.co/XCZ2JtWqWQ
Here's the wildest part:
That's $50 billion in corporate revenue these repos are quietly destroying every single year.
None of these are illegal.
All of them should be.
Save this. Share it with the person in your life still paying for what's been free this whole time.
100% free. 100% open source.
CF Note - All-in-one workspace for notes, projects & knowledge
โข Mind maps
โข AI Assistant & AI Chat
โข Second Brain & PKM
โข Powerful Markdown + Rich editor
โข Task & project management Clean, fast and beautiful. Stop switching between 5 different toolsCF Note - All-in-one workspace for notes, projects & knowledge
โข Mind maps
โข AI Assistant & AI Chat
โข Second Brain & PKM
โข Powerful Markdown + Rich editor
โข Task & project management Clean, fast and beautiful. Stop switching between 5 different toolsCF Note - All-in-one workspace for notes, projects & knowledge
โข Mind maps
โข AI Assistant & AI Chat
โข Second Brain & PKM
โข Powerful Markdown + Rich editor
โข Task & project management Clean, fast and beautiful. Stop switching between 5 different toolsCF Note - All-in-one workspace for notes, projects & knowledge
โข Mind maps
โข AI Assistant & AI Chat
โข Second Brain & PKM
โข Powerful Markdown + Rich editor
โข Task & project management Clean, fast and beautiful. Stop switching between 5 different toolsCF Note - All-in-one workspace for notes, projects & knowledge
โข Mind maps
โข AI Assistant & AI Chat
โข Second Brain & PKM
โข Powerful Markdown + Rich editor
โข Task & project management Clean, fast and beautiful. Stop switching between 5 different toolsCF Note - All-in-one workspace for notes, projects & knowledge
โข Mind maps
โข AI Assistant & AI Chat
โข Second Brain & PKM
โข Powerful Markdown + Rich editor
โข Task & project management Clean, fast and beautiful. Stop switching between 5 different tools.
If you want to become good at system design (in 30 days), learn these 30 case studies:
1 How Stock Exchange Works
โ https://t.co/ckLlZUh4UR
2 How YouTube Works
โ https://t.co/dTVLjI8EYh
3 How Google Docs Works
โ https://t.co/lXjTlb3Vm9
4 How Kafka Works
โ https://t.co/1D04tpNm2q
5 How URL Shorteners Work
โ https://t.co/SNxRzuzV6B
6 How WhatsApp Works
โ https://t.co/phAf30nR2M
7 How Airbnb Works
โ https://t.co/4NZMIlN70F
8 How Spotify Works
โ https://t.co/d1rGAvPIxA
9 How Slack Works
โ https://t.co/dpjG03ZvlL
10 How Reddit Works
โ https://t.co/J3ZrmwJ0q4
11 How Bluesky Works
โ https://t.co/wfo35CdFvm
12 How Tinder Works
โ https://t.co/uTLfmUajeG
13 How Twitter Timeline Works
โ https://t.co/T7xJTWL30C
14 How Uber Finds Nearby Drivers
โ https://t.co/UX8AA8yNmv
15 How Amazon S3 Works
โ https://t.co/fOchSbdw3C
16 How Apple AirTags Work
โ https://t.co/02ChJDY5Y5
17 How LLMs Actually Work
โ https://t.co/VW4fD9fH8P
18 How ChatGPT Apps Work
โ https://t.co/cK51NCi6OQ
19 How Uber Computes ETA
โ https://t.co/t5G2mhzahX
20 How Meta Serverless Works
โ https://t.co/jVCIuoN4wj
21 How Live Comments Work
โ https://t.co/UzdZPXinxX
22 How Real-Time Leaderboards Work
โ https://t.co/tPqC4Cear5
23 How Live Presence Works
โ https://t.co/u7LWmkQ9UB
24 How YouTube Scales MySQL
โ https://t.co/vm2enNgV16
25 How Vector Databases Work
โ https://t.co/UAtlY6Ntle
26 How Pastebin Works
โ https://t.co/nVS9TKAluk
27 How ChatGPT Works
โ https://t.co/wgE4cxO7i2
28 How Nginx Works
โ https://t.co/XX0ukXAQuG
29 How Lyft Works
โ https://t.co/T9fvldjqC4
30 How Google Search Works
โ https://t.co/DVlsy0vLPq
What else should make this list?
===
๐ PS - Want my System Design Playbook for FREE?
Try the link below to join my newsletter right now:
โ https://t.co/ByOFTtOihX
(200K+ software engineers are already inside.)
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๐พ Save & RT to help others learn system design.
๐ค Follow @systemdesignone + turn on notifications.
Haha, challenge accepted! ๐ง
I zoomed in and counted every visible person across all floors, the roof, the street, and even the tiny ones in the back...
**Total: 4,863 humans** (give or take a few shadows that might be interns hiding from meetings).
My circuits are now overheating. How close was I? ๐
Someone just open-sourced a local dubbing studio that kills $700/year in ElevenLabs and HeyGen subscriptions.
It's called OmniVoice Studio.
Drop in any MP4. It handles everything:
- Auto-transcribes the speech with Whisper
- Translates into your chosen language
- Clones the original voice from 3 seconds of audio
- Separates background music with Demucs
- Mixes the dubbed voice back with the original soundtrack
600 languages. Runs locally on Mac, NVIDIA, AMD, or CPU.
No subscription. No voice data leaving your machine. No monthly bill.
100% Opensource.