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Design a Notification System: The Four-Point Answer, and the Duplicate-Send Trap
Vahid Aghajani
Vahid Aghajani
Vahid Aghajani
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Aug 21
Design a Notification System: The Four-Point Answer, and the Duplicate-Send Trap
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systemdesign
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programming
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softwareengineering
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interview
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1
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8 min read
Payment Processing Idempotency: Why Redis Cache Can Fail in Production
Amitesh0512
Amitesh0512
Amitesh0512
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Aug 21
Payment Processing Idempotency: Why Redis Cache Can Fail in Production
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paymentprocessing
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idempotency
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microservices
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7 min read
That Time Client Retries Turned a Recovery Into a 7-Hour Outage
Schiff Heimlich
Schiff Heimlich
Schiff Heimlich
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Aug 25
That Time Client Retries Turned a Recovery Into a 7-Hour Outage
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architecture
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devops
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sre
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2 min read
How do you recover webhooks when your backend is unavailable?
Brad Wu
Brad Wu
Brad Wu
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Sep 24
How do you recover webhooks when your backend is unavailable?
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api
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architecture
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backend
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systemdesign
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1 min read
Stop Leaking Data to Cloud APIs: Self-Hosting DeepSeek Locally with Ollama
Srijan Verma
Srijan Verma
Srijan Verma
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Aug 21
Stop Leaking Data to Cloud APIs: Self-Hosting DeepSeek Locally with Ollama
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ai
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backend
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softwareengineering
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systemdesign
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1
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2 min read
Stop Choosing Between RAG, Fine-Tuning, and Agents: Build the Hybrid Trio Instead
Srijan Verma
Srijan Verma
Srijan Verma
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Aug 21
Stop Choosing Between RAG, Fine-Tuning, and Agents: Build the Hybrid Trio Instead
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ai
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backend
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4
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3 min read
Consistent Hashing: The System Design Interview Concept Everyone Gets Wrong
Akshat Paul 👨‍💻
Akshat Paul 👨‍💻
Akshat Paul 👨‍💻
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Aug 20
Consistent Hashing: The System Design Interview Concept Everyone Gets Wrong
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distributedsystems
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2 min read
Sentinel: Ingest Path and Log Schema
Philip Shaw
Philip Shaw
Philip Shaw
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Sep 23
Sentinel: Ingest Path and Log Schema
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architecture
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backend
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database
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16 min read
The Bug Where a Customer Got Charged Twice for Nothing They Did Wrong
MANGESH MANDLIK
MANGESH MANDLIK
MANGESH MANDLIK
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Sep 23
The Bug Where a Customer Got Charged Twice for Nothing They Did Wrong
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backend
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api
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systemdesign
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7 min read
Our System Series: Event Processing. From Business Events to External Actions
Ilya Mikhasik
Ilya Mikhasik
Ilya Mikhasik
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Sep 23
Our System Series: Event Processing. From Business Events to External Actions
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architecture
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6 min read
Why Pharma ERP Dashboards Don't Create Supply Chain Visibility: The Data Architecture Behind Better Decisions
Gyan Solutions
Gyan Solutions
Gyan Solutions
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Aug 20
Why Pharma ERP Dashboards Don't Create Supply Chain Visibility: The Data Architecture Behind Better Decisions
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architecture
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systemdesign
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api
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dataengineering
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5 min read
Scaling CrimeLens: From Performance Baseline to Measurable Backend Improvements
Abubakar Ahmed
Abubakar Ahmed
Abubakar Ahmed
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Sep 22
Scaling CrimeLens: From Performance Baseline to Measurable Backend Improvements
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performance
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testing
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systemdesign
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mern
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2
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4 min read
Day 17 — Message Broker — RabbitMQ vs Kafka
Monirul Islam
Monirul Islam
Monirul Islam
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Sep 23
Day 17 — Message Broker — RabbitMQ vs Kafka
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architecture
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backend
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1 min read
Architecting the New Operating System: A Guide to Context Engineering
Abdullah Ahmad
Abdullah Ahmad
Abdullah Ahmad
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Aug 20
Architecting the New Operating System: A Guide to Context Engineering
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ai
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automation
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llm
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2 min read
Beyond Writing Code: The Core Mindset of a Modern Software Engineer
MD UJJAL HOSSAIN
MD UJJAL HOSSAIN
MD UJJAL HOSSAIN
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Aug 20
Beyond Writing Code: The Core Mindset of a Modern Software Engineer
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productivity
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software
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systemdesign
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2 min read
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