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Vaibhav Shakya

🚀 App Dev (Android/iOS) | Kotlin, Compose, Clean Arch 🛡️ AI & Cybersecurity 📈 Performance-focused | ✍️ Tech storytelling 🌐 VaibhavShakya.com

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On-Device AI vs Cloud AI vs Hybrid AI: An Architecture Decision Framework
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On-Device AI vs Cloud AI vs Hybrid AI: An Architecture Decision Framework

#ai #architecture #cloud #security
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3 min read

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Mobile Session Architecture: Beyond Access and Refresh Tokens
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Mobile Session Architecture: Beyond Access and Refresh Tokens

#mobile #security #architecture #cybersecurity
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2 min read
Designing Support Ticket and Chat Architecture for Mobile Products
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Designing Support Ticket and Chat Architecture for Mobile Products

#mobile #architecture #systemdesign #backend
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2 min read
Designing Transaction Monitoring Dashboards for FinTech Operations
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Designing Transaction Monitoring Dashboards for FinTech Operations

#fintech #architecture #observability #payments
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2 min read
Designing Role-Based Access Control for Mobile-First Platforms
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Designing Role-Based Access Control for Mobile-First Platforms

#mobilearchitecture #applicationsecurity #backendarchitecture #apisecurity
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1 min read
Mobile API Versioning Strategy: Backward Compatibility, Deprecation, Force Updates, and Risk Control
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Mobile API Versioning Strategy: Backward Compatibility, Deprecation, Force Updates, and Risk Control

#mobilearchitecture #uidesign #architecture #distributedsystems
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2 min read
Flutter at Scale: Modularity, Platform Boundaries, Testing, and Release Governance
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Flutter at Scale: Modularity, Platform Boundaries, Testing, and Release Governance

#flutter #mobilearchitecture #architecture #mobile
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3 min read
Reliable Push Notification Architecture: Beyond “Sent”
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Reliable Push Notification Architecture: Beyond “Sent”

#mobilearchitecture #distributedsystems #pushnotifications
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1 min read
RAG Architecture for Mobile-First Products
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RAG Architecture for Mobile-First Products

#rag #mobilearchitecture #architecture #softwareengineering
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2 min read
Designing Multi-Actor Workflows: User, Admin, Support, Operations, and Audit Views
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Designing Multi-Actor Workflows: User, Admin, Support, Operations, and Audit Views

#architecture #workflowdesign #distributedsystems #authorization
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1 min read
How Architects Should Choose Between Native, Flutter, React Native, and KMM
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How Architects Should Choose Between Native, Flutter, React Native, and KMM

#mobilearchitecture #flutter #reactnative #architecture
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1 min read
Shared Business Logic Across Mobile, Backend, and Web
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Shared Business Logic Across Mobile, Backend, and Web

#mobile #cybersecurity #webdev #kmm
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2 min read
Using OWASP MASVS as a Mobile Security Architecture Framework, Not Just a Checklist
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Using OWASP MASVS as a Mobile Security Architecture Framework, Not Just a Checklist

#mobilesecurity #owaspmasvs #architecture #appsec
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1 min read
Designing a Secure Transaction Lifecycle: From Intent Creation to Settlement Confirmation
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Designing a Secure Transaction Lifecycle: From Intent Creation to Settlement Confirmation

#fintech #payment #security #architecture
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3 min read
API Contract Governance for Mobile Platforms
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API Contract Governance for Mobile Platforms

#apigovernance #mobilearchitecture #architecture #backendengineering
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1 min read
Cross-Platform Mobile Architecture Is a Boundary Decision
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Cross-Platform Mobile Architecture Is a Boundary Decision

#mobile #architecture #flutter #reactnative
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1 min read
Designing Feature Flags and Kill Switches for Mobile FinTech
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Designing Feature Flags and Kill Switches for Mobile FinTech

#fintech #architecture #mobile #security
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2 min read
Mobile Observability Architecture: Connecting Crashes, Logs, Traces, API Failures, and Business Events
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Mobile Observability Architecture: Connecting Crashes, Logs, Traces, API Failures, and Business Events

#mobile #observability #systemdesign #architecture
1
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1 min read
Designing KYC State Machines for FinTech: From Onboarding Chaos to Governed User Lifecycle
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Designing KYC State Machines for FinTech: From Onboarding Chaos to Governed User Lifecycle

#fintech #systemdesign #backend #kyc
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1 min read
Why Backend Trust in Mobile Clients Breaks Security Architecture
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Why Backend Trust in Mobile Clients Breaks Security Architecture

#mobile #security #backend #api
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1 min read
Defense-in-Depth for Mobile FinTech: Why No Single Security Control Is Enough
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Defense-in-Depth for Mobile FinTech: Why No Single Security Control Is Enough

#fintech #mobilesecurity #systemdesign
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1 min read
Mobile Risk Signal Architecture: Combining Device, Network, App, User, and Transaction Context
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Mobile Risk Signal Architecture: Combining Device, Network, App, User, and Transaction Context

#mobilesecurity #fintech #systemdesign #architecture
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1 min read
Payment Failure Architecture: Designing Retry, Reversal, Refund, Settlement, and Reconciliation Flows
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Payment Failure Architecture: Designing Retry, Reversal, Refund, Settlement, and Reconciliation Flows

#fintech #paymentarchitecture #systemdesign #mobileengineering
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2 min read
Reference Architecture for a Secure, Scalable, and Audit-Ready FinTech Mobile Platform
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Reference Architecture for a Secure, Scalable, and Audit-Ready FinTech Mobile Platform

#fintech #security #architecture #backend
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1 min read
Your Backend Trusts Your App Too Much
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Your Backend Trusts Your App Too Much

#backendsecurity #systemdesign #appsec #architecture
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1 min read
The New Wave of Accessibility-Service Malware Explained
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The New Wave of Accessibility-Service Malware Explained

#android #appsec #cybersecurity #systemdesign
1
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1 min read
Why Device Binding Fails — And How Attackers Bypass It
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Why Device Binding Fails — And How Attackers Bypass It

#mobilesecurity #appsec #backendsecurity #systemdesign
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1 min read
Broken Business Logic: The Mobile Vulnerability Scanners Never Catch
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Broken Business Logic: The Mobile Vulnerability Scanners Never Catch

#android #backend #architecture #systemdesign
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1 min read
How Modern Banking Malware Hooks Legit Android Apps
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How Modern Banking Malware Hooks Legit Android Apps

#androidsecurity #mobilesecurity #fintechsecurity #systemdesign
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1 min read
Obfuscation Isn’t Security — And Attackers Love That
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Obfuscation Isn’t Security — And Attackers Love That

#mobilearchitecture #backendsecurity #androiddev #appsec
1
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1 min read
Why Play Store Apps Are Still Shipping with Debuggable Builds
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Why Play Store Apps Are Still Shipping with Debuggable Builds

#android #architecture #security #cicd
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1 min read
Secure Coding for Mobile APIs: What Most Backend Teams Miss
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Secure Coding for Mobile APIs: What Most Backend Teams Miss

#apisecurity #mobilesecurity #securecoding #backendengineering
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1 min read
Analytics & Logging for Tracking Financial Transactions
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Analytics & Logging for Tracking Financial Transactions

#fintecharchitecture #paymentsystems #distributedsystems #transactionlogging
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1 min read
How Hackers Clone Your App and Bypass Your Entire Backend
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How Hackers Clone Your App and Bypass Your Entire Backend

#mobilesecurity #backendsecurity #appsecurity #fintechsecurity
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1 min read
How AI Is Helping Attackers Reverse Engineer Apps Faster
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How AI Is Helping Attackers Reverse Engineer Apps Faster

#architecture #appsec #mobilesecurity #distributedsystems
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1 min read
How Mobile API Rate Limiting Fails in Real Attacks
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How Mobile API Rate Limiting Fails in Real Attacks

#mobilesecurity #apisecurity #systemarchitecture #backendengineering
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1 min read
How Attackers Bypass Play Integrity API in the Wild
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How Attackers Bypass Play Integrity API in the Wild

#androiddev #playintegrity #productivity
1
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1 min read
JWT in Mobile Apps: 5 Mistakes That Lead to Account Takeover
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JWT in Mobile Apps: 5 Mistakes That Lead to Account Takeover

#mobilesecurity #jwt #systemdesign #applicationsecurity
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1 min read
Why “HTTPS Only” Is Not a Security Strategy
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Why “HTTPS Only” Is Not a Security Strategy

#cybersecurity #appsec #systemdesign #architecture
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1 min read
Stop Misusing BuildTypes: The Right Way to Use Flavors & Dimensions in Android
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Stop Misusing BuildTypes: The Right Way to Use Flavors & Dimensions in Android

#android #gradle #mobilearchitecture #devbestpractices
3
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1 min read
🔐 Why Your Deep Links Might Be a Backdoor
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🔐 Why Your Deep Links Might Be a Backdoor

#androidsecurity #androiddev #owasp #securecoding
1
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1 min read
🔐 Root Detection Is Dead — What Actually Works in Android (2026)
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🔐 Root Detection Is Dead — What Actually Works in Android (2026)

#android #security #appsec #mobiledev
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1 min read
The Hidden Risk of “Safe” Android Permissions Nobody Audits
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The Hidden Risk of “Safe” Android Permissions Nobody Audits

#androidsecurity #appsec #mobilesecurity #cybersecurity
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1 min read
Certificate Pinning Alone Won’t Stop Modern MITM Attacks
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Certificate Pinning Alone Won’t Stop Modern MITM Attacks

#android #cybersecurity #mobilesecurity #backend
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1 min read
Things That Broke My Android App Last Year – and How I Fixed Them
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Things That Broke My Android App Last Year – and How I Fixed Them

#android #kotlin #jetpack #programming
1
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1 min read
Play Integrity Attestation: The Real-World Implementation Guide
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Play Integrity Attestation: The Real-World Implementation Guide

#android #security #mobilesecurity #appsecurity
1
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1 min read
RBI Digital Lending: The App Security Checklist Nobody’s Talking About
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RBI Digital Lending: The App Security Checklist Nobody’s Talking About

#fintechsecurity #digitallending #rbicompliance #mobilesecurity
1
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1 min read
🎨 Material You: Dynamic Theming in Modern Android Apps
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🎨 Material You: Dynamic Theming in Modern Android Apps

#android #jetpack #material #uidesign
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1 min read
How Jetpack Compose Is Reshaping UI Testing
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How Jetpack Compose Is Reshaping UI Testing

#android #jetpack #testing #mobile
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1 min read
UPI Payment Flow on Android: From URI Construction to Result Verification
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UPI Payment Flow on Android: From URI Construction to Result Verification

#android #kotlin #upi #fintech
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1 min read
Integrating EMV Card Payments in Android
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Integrating EMV Card Payments in Android

#android #emv #fintech #security
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1 min read
Securing Secrets in Android: What Actually Works in Production
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Securing Secrets in Android: What Actually Works in Production

#android #androiddev #appsecurity #kotlin
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1 min read
Integrating AI Features in Android: Vision, Speech, and Generative Models
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Integrating AI Features in Android: Vision, Speech, and Generative Models

#androiddev #ai #iot
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1 min read
PCI-DSS Compliance Checklist for Android Apps
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PCI-DSS Compliance Checklist for Android Apps

#android #security #pci #fintech
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1 min read
Everyone Talks About Clean Architecture — No One Fixes the Data Layer
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Everyone Talks About Clean Architecture — No One Fixes the Data Layer

#android #kotlin #cleanarchitecture #cybersecurity
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1 min read
Building a Security-First Culture in Fintech Engineering Teams
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Building a Security-First Culture in Fintech Engineering Teams

#fintech #cybersecurity #devsecops #engineering
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1 min read
CI/CD Secrets Leaks: How to Secure Your Android Build Pipeline
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CI/CD Secrets Leaks: How to Secure Your Android Build Pipeline

#androidsecurity #cybersecurity #cicdsecurity #mobileappsecurity
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1 min read
Offline Payments & Deferred Transactions in Android Apps (2025 Guide)
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Offline Payments & Deferred Transactions in Android Apps (2025 Guide)

#offlinefirst #androiddev #offlinepayments #fintechengineering
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1 min read
The Future of Authentication: Passkeys, Biometrics, and the Death of OTPs in Fintech
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The Future of Authentication: Passkeys, Biometrics, and the Death of OTPs in Fintech

#fintech #cybersecurity #security #authentication
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1 min read
PCI DSS 4.0 Meets Android: The New Rules Redefining Mobile Payments🔐📲
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PCI DSS 4.0 Meets Android: The New Rules Redefining Mobile Payments🔐📲

#pcidss #fintechsecurity #androidsecurity #mobilepayments
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1 min read
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