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Muhammad Ali Mughal

Principal Software Engineer building and scaling enterprise-grade systems since 2017 - across InsuranceTech, Fintech, SaaS, E-commerce, and Government. I don't just write code - I own systems. From ar

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Queue Backpressure, Fairness & Tenant Isolation in Multi-Tenant SaaS
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Queue Backpressure, Fairness & Tenant Isolation in Multi-Tenant SaaS

#architecture #laravel #devops #node
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6 min read

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Certificate Revocation in 2026: CRLs, the Decline of OCSP & Short-Lived Certificates
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Certificate Revocation in 2026: CRLs, the Decline of OCSP & Short-Lived Certificates

#security #webdev #devops #tls
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7 min read
AI-Drafted Resumes and Recruiter Skepticism: Making LLM Bullets Sound Like You
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AI-Drafted Resumes and Recruiter Skepticism: Making LLM Bullets Sound Like You

#career #resume #ai #programming
Comments
7 min read
Feature Flags for Multi-Tenant SaaS: Tenant Rollouts
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Feature Flags for Multi-Tenant SaaS: Tenant Rollouts

#saas #architecture #laravel #devops
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7 min read
Multi-Warehouse Inventory: A Stock Ledger That Balances
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Multi-Warehouse Inventory: A Stock Ledger That Balances

#architecture #database #laravel #postgres
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7 min read
MTA-STS and TLS-RPT: Enforce TLS for Inbound Email
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MTA-STS and TLS-RPT: Enforce TLS for Inbound Email

#security #email #devops #dns
Comments
7 min read
Idempotent Jobs & Exactly-Once Effects: Designing Safe Retries
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Idempotent Jobs & Exactly-Once Effects: Designing Safe Retries

#architecture #laravel #devops #node
Comments
7 min read
Reading X.509 Certificates by Hand: SANs, Key Usage, Chains & Intermediates
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Reading X.509 Certificates by Hand: SANs, Key Usage, Chains & Intermediates

#security #webdev #devops #tls
1
Comments
7 min read
Tailoring Without Lying: Mapping Job Description Keywords to Real Evidence
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Tailoring Without Lying: Mapping Job Description Keywords to Real Evidence

#career #resume #jobsearch #programming
Comments
7 min read
B2B Dealer Portals: Tier Pricing, Credit Limits, Bulk
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B2B Dealer Portals: Tier Pricing, Credit Limits, Bulk

#webdev #architecture #laravel #ecommerce
Comments
6 min read
Leaked TLS Private Keys: Proving Compromise, Finding Every Affected Cert & Rotating Safely
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Leaked TLS Private Keys: Proving Compromise, Finding Every Affected Cert & Rotating Safely

#security #webdev #devops #tls
Comments
6 min read
The One-Story Resume Test: Building a Flagship Project Section That Still Passes ATS
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The One-Story Resume Test: Building a Flagship Project Section That Still Passes ATS

#career #resume #jobsearch #programming
Comments
6 min read
LLM Gateway & FinOps Architecture for B2B SaaS: Semantic Caching, Routing & Tenant Quotas
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LLM Gateway & FinOps Architecture for B2B SaaS: Semantic Caching, Routing & Tenant Quotas

#ai #architecture #saas #devops
Comments
8 min read
Zero-Trust Reverse Proxy Hardening in Nginx: Rate Limiting, Request Smuggling Guards & mTLS
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Zero-Trust Reverse Proxy Hardening in Nginx: Rate Limiting, Request Smuggling Guards & mTLS

#nginx #security #devops #webdev
1
Comments 4
9 min read
Career Switcher & Self-Taught Developer Resumes in 2026: Turning Non-Linear Work Into Searchable Signals
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Career Switcher & Self-Taught Developer Resumes in 2026: Turning Non-Linear Work Into Searchable Signals

#career #resume #beginners #jobsearch
Comments
8 min read
Production Observability on a Budget: OpenTelemetry Traces, Structured Logs & Tail Sampling
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Production Observability on a Budget: OpenTelemetry Traces, Structured Logs & Tail Sampling

#opentelemetry #observability #laravel #node
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8 min read
Replatforming Without Losing SEO: Redirect Map Playbook
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Replatforming Without Losing SEO: Redirect Map Playbook

#seo #webdev #nginx #devops
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7 min read
Multi-Vendor Checkout: Splitting One Cart by Seller
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Multi-Vendor Checkout: Splitting One Cart by Seller

#architecture #ecommerce #laravel #database
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6 min read
CAA Records and CT Logs: Control Who Issues Your Certs
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CAA Records and CT Logs: Control Who Issues Your Certs

#security #dns #devops #webdev
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7 min read
Hidden Characters That Break ATS Keyword Matching
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Hidden Characters That Break ATS Keyword Matching

#career #resume #jobs #unicode
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7 min read
Subdomain Takeover & Dangling DNS Reconnaissance: Auditing CNAME, NS, TXT & TLS Certificates
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Subdomain Takeover & Dangling DNS Reconnaissance: Auditing CNAME, NS, TXT & TLS Certificates

#security #dns #webdev #devops
Comments
9 min read
Contractor, Agency & Fractional Engineering Resumes: Grouping Short Roles Without Job-Hopping Flags
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Contractor, Agency & Fractional Engineering Resumes: Grouping Short Roles Without Job-Hopping Flags

#career #resume #freelance #jobsearch
Comments
9 min read
SaaS Usage-Based Billing & Metering Architecture: Event Ingestion, Rollups & Stripe Invoicing
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SaaS Usage-Based Billing & Metering Architecture: Event Ingestion, Rollups & Stripe Invoicing

#saas #architecture #stripe #backend
Comments 1
7 min read
Resume Section Headings: What ATS Parsers Recognize
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Resume Section Headings: What ATS Parsers Recognize

#career #resume #jobs #productivity
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7 min read
Regular Expression Denial of Service (ReDoS) in JS & PHP: Spotting Catastrophic Backtracking
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Regular Expression Denial of Service (ReDoS) in JS & PHP: Spotting Catastrophic Backtracking

#security #javascript #php #webdev
1
Comments
8 min read
Writing System Design, Reliability & Cost-Reduction Bullets for Backend & DevOps Resumes
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Writing System Design, Reliability & Cost-Reduction Bullets for Backend & DevOps Resumes

#career #resume #devops #jobsearch
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8 min read
How ATS Parses Your Resume Contact Header
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How ATS Parses Your Resume Contact Header

#career #resume #jobs #beginners
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7 min read
Multi-Tier Caching & Stampede Protection with Redis/Valkey: Singleflight Locks & SWR
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Multi-Tier Caching & Stampede Protection with Redis/Valkey: Singleflight Locks & SWR

#redis #laravel #performance #architecture
Comments
9 min read
OAuth 2.1, OIDC ID Tokens & PKCE Forensics: Auditing Claims, Nonces & Audience Confusion in SPAs
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OAuth 2.1, OIDC ID Tokens & PKCE Forensics: Auditing Claims, Nonces & Audience Confusion in SPAs

#security #oauth #javascript #webdev
Comments
9 min read
Surviving ATS Knock-Out Questions, Work Authorization Filters & Years-of-Experience Traps
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Surviving ATS Knock-Out Questions, Work Authorization Filters & Years-of-Experience Traps

#career #resume #jobsearch #ats
Comments
9 min read
Secure SaaS File Uploads: Signed URLs, Scanning, Isolation
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Secure SaaS File Uploads: Signed URLs, Scanning, Isolation

#security #aws #laravel #architecture
Comments
7 min read
Third-Party Scripts vs INP: A Tag Governance Playbook
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Third-Party Scripts vs INP: A Tag Governance Playbook

#webperf #javascript #ecommerce #webdev
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7 min read
How to Verify a Download: SHA-256, GPG and Sigstore
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How to Verify a Download: SHA-256, GPG and Sigstore

#security #linux #devops #node
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8 min read
How ATS Parses Education and Certifications on Your Resume
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How ATS Parses Education and Certifications on Your Resume

#career #resume #jobsearch #beginners
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8 min read
Zero-Downtime Database Migrations in Laravel & Node.js SaaS: Expand-Contract & Lock Timeouts
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Zero-Downtime Database Migrations in Laravel & Node.js SaaS: Expand-Contract & Lock Timeouts

#laravel #postgres #node #devops
Comments
9 min read
Webhook Security in Production: HMAC-SHA256 Signatures, Timestamp Drift & Replay Protection
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Webhook Security in Production: HMAC-SHA256 Signatures, Timestamp Drift & Replay Protection

#security #webdev #api #node
1
Comments
8 min read
GitHub, Open Source & Proof-of-Work on Your Resume: Formatting Projects for ATS & Staff Engineers
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GitHub, Open Source & Proof-of-Work on Your Resume: Formatting Projects for ATS & Staff Engineers

#career #github #resume #opensource
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8 min read
SaaS Backup & Disaster Recovery: RPO, RTO and PITR
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SaaS Backup & Disaster Recovery: RPO, RTO and PITR

#devops #postgres #mysql #backend
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7 min read
Nuxt 3 Rendering for B2B SaaS: SSR, SPA or Hybrid?
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Nuxt 3 Rendering for B2B SaaS: SSR, SPA or Hybrid?

#nuxt #vue #webdev #architecture
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7 min read
Cookie Security Flags: Auditing Secure, HttpOnly, SameSite
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Cookie Security Flags: Auditing Secure, HttpOnly, SameSite

#security #webdev #laravel #node
Comments
8 min read
Resume Summary vs Objective: What ATS and Recruiters Read
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Resume Summary vs Objective: What ATS and Recruiters Read

#career #resume #jobsearch #productivity
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8 min read
Building Production MCP Servers & Tool-Calling AI Agents: Sandboxing, Schemas & Approval Gates
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Building Production MCP Servers & Tool-Calling AI Agents: Sandboxing, Schemas & Approval Gates

#ai #mcp #architecture #security
1
Comments 14
9 min read
Deobfuscating Malicious npm & Browser Payloads: Base64, Hex, Unicode Escapes & Homoglyphs
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Deobfuscating Malicious npm & Browser Payloads: Base64, Hex, Unicode Escapes & Homoglyphs

#security #javascript #webdev #npm
Comments
8 min read
How AI & LLM Resume Screeners Rank Engineers in 2026: Vector Matching vs. Keyword ATS
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How AI & LLM Resume Screeners Rank Engineers in 2026: Vector Matching vs. Keyword ATS

#career #ai #resume #jobsearch
Comments
8 min read
Resilient ERP & CRM API Integrations: Retries, DLQs, Replay
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Resilient ERP & CRM API Integrations: Retries, DLQs, Replay

#laravel #architecture #api #backend
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7 min read
Software Project Estimation: Scoping Quotes That Hold Up
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Software Project Estimation: Scoping Quotes That Hold Up

#management #architecture #productivity #webdev
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7 min read
How to Inspect a Suspicious Link: Punycode, Redirects, WHOIS
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How to Inspect a Suspicious Link: Punycode, Redirects, WHOIS

#security #privacy #webdev #tutorial
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8 min read
How ATS Search Matches Your Resume Job Titles
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How ATS Search Matches Your Resume Job Titles

#career #resume #jobsearch #productivity
Comments
8 min read
VPS vs Managed PaaS for Laravel & Node SaaS: Real TCO
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VPS vs Managed PaaS for Laravel & Node SaaS: Real TCO

#devops #laravel #node #cloud
Comments
7 min read
Multi-Vendor Marketplace Payments: Ledgers & Payouts
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Multi-Vendor Marketplace Payments: Ledgers & Payouts

#architecture #laravel #ecommerce #database
Comments 6
7 min read
Image Metadata Privacy Leaks: EXIF, GPS & Thumbnails
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Image Metadata Privacy Leaks: EXIF, GPS & Thumbnails

#privacy #security #webdev #tutorial
Comments
7 min read
How ATS Parsers Extract and Normalize Resume Skills
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How ATS Parsers Extract and Normalize Resume Skills

#career #resume #jobs #productivity
Comments
8 min read
B2B AI Workflow Automation in Production: RAG Architecture, Guardrails, and Token Cost Engineering for Enterprise Operations
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B2B AI Workflow Automation in Production: RAG Architecture, Guardrails, and Token Cost Engineering for Enterprise Operations

#ai #architecture #postgres #backend
Comments
7 min read
Legacy ERP & Monolith Modernization: How to Execute a Strangler-Fig Migration Without Downtime or Data Loss
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Legacy ERP & Monolith Modernization: How to Execute a Strangler-Fig Migration Without Downtime or Data Loss

#architecture #migration #backend #devops
Comments
8 min read
JSON Web Token (JWT) Security Pitfalls: alg: none, Weak HMAC Secrets, and Client-Side Token Inspection Without Leaking Payloads
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JSON Web Token (JWT) Security Pitfalls: alg: none, Weak HMAC Secrets, and Client-Side Token Inspection Without Leaking Payloads

#security #jwt #webdev #authentication
Comments
8 min read
Senior & Staff Engineer Resume Architecture: How to Pass Both ATS Keyword Filters and Hiring Manager 6-Second Scans
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Senior & Staff Engineer Resume Architecture: How to Pass Both ATS Keyword Filters and Hiring Manager 6-Second Scans

#career #resume #softwareengineering #leadership
Comments
8 min read
VoIP, SIP Trunking & Custom WebRTC Contact Center Architecture: Reducing Call Latency, Jitter & Per-Seat SaaS Costs
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VoIP, SIP Trunking & Custom WebRTC Contact Center Architecture: Reducing Call Latency, Jitter & Per-Seat SaaS Costs

#architecture #webrtc #networking #cloud
Comments
8 min read
Multi-Tenant SaaS Database Architecture in 2026: Shared Schema vs. PostgreSQL RLS vs. Database-per-Tenant
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Multi-Tenant SaaS Database Architecture in 2026: Shared Schema vs. PostgreSQL RLS vs. Database-per-Tenant

#postgres #saas #architecture #database
Comments
7 min read
CORS Misconfigurations in Production APIs: How Access-Control-Allow-Origin & Credentials Leak Sensitive Data (And How to Audit Headers)
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CORS Misconfigurations in Production APIs: How Access-Control-Allow-Origin & Credentials Leak Sensitive Data (And How to Audit Headers)

#security #webdev #api #devops
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8 min read
How ATS Parsers Read Work Experience Dates, Career Gaps & Overlapping Roles (Greenhouse, Workday & iCIMS Breakdown)
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How ATS Parsers Read Work Experience Dates, Career Gaps & Overlapping Roles (Greenhouse, Workday & iCIMS Breakdown)

#career #resume #jobsearch #hiring
Comments
8 min read
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