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Iurii Rogulia

I'm Iurii Rogulia — a senior full-stack developer and former CTO building production software for over 25 years. Based in Finland, working 100% remote with clients worldwide.

Location Lappeenranta, Finland Joined Joined on  Personal website https://iurii.rogulia.fi

Education

Self-taught developer with 25+ years of professional experience

Pronouns

he/him

Work

Senior Full-Stack Developer & Freelancer, Finland

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Binary PDF Modification Detection: How It Works and Where It Fails
iurii_rogulia profile

Binary PDF Modification Detection: How It Works and Where It Fails

#pdf #security #forensic #fraud
Comments 1
8 min read
Health Check Endpoint in Node.js: Liveness vs Readiness
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Health Check Endpoint in Node.js: Liveness vs Readiness

#node #typescript #hono #bullmq
Comments
14 min read

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PDF Fraud Detection in Loan Origination
iurii_rogulia profile

PDF Fraud Detection in Loan Origination

#pdf #fintech #fraud #api
1
Comments 1
9 min read
PDF Font Subset Divergence: Forensic Tampering Detection
iurii_rogulia profile

PDF Font Subset Divergence: Forensic Tampering Detection

#pdf #forensics #api #webdev
Comments
6 min read
PostgreSQL Production Checklist: UUIDs, RLS, Indexes, Pooling
iurii_rogulia profile

PostgreSQL Production Checklist: UUIDs, RLS, Indexes, Pooling

#typescript #node #drizzle #postgres
1
Comments
11 min read
H-1B Salary Slip Fraud Detection: Altered Indian Payslips at the Offer Stage
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H-1B Salary Slip Fraud Detection: Altered Indian Payslips at the Offer Stage

#pdf #fintech #fraud #webdev
Comments
7 min read
BullMQ vs pg-boss vs Cron: Node.js Background Jobs Compared
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BullMQ vs pg-boss vs Cron: Node.js Background Jobs Compared

#node #typescript #bullmq #pgboss
Comments
12 min read
JWT vs Sessions vs OAuth: Which to Use for SaaS Auth
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JWT vs Sessions vs OAuth: Which to Use for SaaS Auth

#nextjs #typescript #node #betterauth
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12 min read
GDPR Document Fraud Detection API: EU Fintech Compliance Guide
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GDPR Document Fraud Detection API: EU Fintech Compliance Guide

#pdf #fintech #api #fraud
Comments
8 min read
Government Document Fraud: PDF Tamper Detection for Public Sector
iurii_rogulia profile

Government Document Fraud: PDF Tamper Detection for Public Sector

#pdf #fintech #fraud #api
Comments
10 min read
5 Features That Kill MVPs Before They Launch
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5 Features That Kill MVPs Before They Launch

#mvp #product #saas #architecture
Comments
10 min read
PDF Forensics API Pricing in 2026: A Transparent Breakdown
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PDF Forensics API Pricing in 2026: A Transparent Breakdown

#pdf #fintech #api #webdev
Comments
9 min read
AI Document Processing in Production: Full Pipeline Guide
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AI Document Processing in Production: Full Pipeline Guide

#typescript #python #ai #awstextract
Comments
11 min read
FCA Document Fraud Detection UK: Closing the Gap Your KYC Stack Leaves Open
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FCA Document Fraud Detection UK: Closing the Gap Your KYC Stack Leaves Open

#pdf #fintech #fraud #api
Comments
10 min read
How to Add AI to an Existing Product Without Rewriting It
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How to Add AI to an Existing Product Without Rewriting It

#nextjs #typescript #vercelaisdk #postgres
Comments
9 min read
Fractional CTO: What They Do, Cost, and When to Hire One
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Fractional CTO: What They Do, Cost, and When to Hire One

#leadership #itstrategy #business #freelance
Comments 1
9 min read
Detect AI-Generated PDFs: What Works and What Does Not
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Detect AI-Generated PDFs: What Works and What Does Not

#pdf #tutorial #fraud #forensics
Comments
7 min read
BEC Invoice Fraud Detection API: Stop Redirected Payments
iurii_rogulia profile

BEC Invoice Fraud Detection API: Stop Redirected Payments

#pdf #fintech #fraud #api
Comments
6 min read
linkinator Tutorial: Find Broken Links in Next.js Sites
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linkinator Tutorial: Find Broken Links in Next.js Sites

#node #typescript #developertools #seo
Comments
9 min read
APRA CPS 234 Document Fraud Detection: A Guide for AU-Licensed Entities
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APRA CPS 234 Document Fraud Detection: A Guide for AU-Licensed Entities

#pdf #fintech #fraud #security
Comments
10 min read
How to Take Over a Codebase from a Web Agency (5-Day Process)
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How to Take Over a Codebase from a Web Agency (5-Day Process)

#typescript #node #architecture #technicaldebt
1
Comments
9 min read
PDF xref Table Forensics: Detect Edits From File Structure
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PDF xref Table Forensics: Detect Edits From File Structure

#pdf #forensics #api #webdev
Comments
9 min read
llms.txt for AI Discoverability: Should You Add It?
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llms.txt for AI Discoverability: Should You Add It?

#seo #architecture #webdev
Comments
7 min read
JSON vs YAML vs TOML vs CSV vs Protobuf: Developer's Guide
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JSON vs YAML vs TOML vs CSV vs Protobuf: Developer's Guide

#typescript #python #developertools #dataengineering
1
Comments
13 min read
PDF Tamper Detection in Python: Integrate in Under 50 Lines
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PDF Tamper Detection in Python: Integrate in Under 50 Lines

#pdf #tutorial #api #webdev
1
Comments
8 min read
KYC vs Document Forensics: Why KYC Platforms Miss PDF Fraud
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KYC vs Document Forensics: Why KYC Platforms Miss PDF Fraud

#pdf #fintech #forensics #fraud
Comments
8 min read
Building a React Product Configurator with Zustand and Motion
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Building a React Product Configurator with Zustand and Motion

#nextjs #react #typescript #daisyui
Comments
9 min read
Healthcare Document Fraud: PDF Tamper Detection for Medical Credentials
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Healthcare Document Fraud: PDF Tamper Detection for Medical Credentials

#pdf #fintech #fraud #api
Comments
10 min read
Bybit Grid Trading Bot in Python: Architecture and Risk
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Bybit Grid Trading Bot in Python: Architecture and Risk

#python #pybit #pytest #pandas
Comments
11 min read
PDF Integrity Report: April 2026
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PDF Integrity Report: April 2026

#pdf #fraud #webdev
Comments
8 min read
Real-Time Dashboard in Next.js with TanStack Query + Zustand
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Real-Time Dashboard in Next.js with TanStack Query + Zustand

#nextjs #react #typescript #tanstackquery
1
Comments
9 min read
Inscribe Alternative for Lending Teams: Self-Serve PDF Fraud Detection
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Inscribe Alternative for Lending Teams: Self-Serve PDF Fraud Detection

#pdf #fintech #api #webdev
Comments
9 min read
GDPR Analytics Without a Cookie Banner: 4 Tools Compared
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GDPR Analytics Without a Cookie Banner: 4 Tools Compared

#nextjs #typescript #vercel #googleanalytics
Comments
8 min read
Insurance Claims Fraud: How Altered PDFs Bypass Visual Review
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Insurance Claims Fraud: How Altered PDFs Bypass Visual Review

#pdf #fintech #fraud #api
Comments
9 min read
IndexNow in Next.js: Instant Indexing After Every Deploy
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IndexNow in Next.js: Instant Indexing After Every Deploy

#typescript #node #githubactions #seo
Comments
14 min read
PDF Tamper Detection API for Node.js: Complete Integration Guide
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PDF Tamper Detection API for Node.js: Complete Integration Guide

#pdf #tutorial #api #node
Comments
15 min read
Cloudflare WAF Free Plan: Block Bots Without Paying
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Cloudflare WAF Free Plan: Block Bots Without Paying

#cloudflare #security #devops #infrastructure
Comments
7 min read
Caching VIES Responses Without Breaking Compliance
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Caching VIES Responses Without Breaking Compliance

#tax #webdev
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8 min read
PostNord API and Zoho Desk Automation: Production Gotchas
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PostNord API and Zoho Desk Automation: Production Gotchas

#typescript #node #bullmq #stripe
2
Comments
8 min read
Contract Fraud: How Altered PDFs Bypass Legal Review
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Contract Fraud: How Altered PDFs Bypass Legal Review

#pdf #fintech #fraud #api
Comments
9 min read
PDF Tamper Detection API for Python: Complete Integration Guide
iurii_rogulia profile

PDF Tamper Detection API for Python: Complete Integration Guide

#pdf #tutorial #api #webdev
Comments
10 min read
Next.js 16 proxy.ts Migration: From middleware.ts
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Next.js 16 proxy.ts Migration: From middleware.ts

#nextjs #typescript #security #migration
1
Comments 1
12 min read
Business Process Automation Case Study: 40 Hours/Month Saved
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Business Process Automation Case Study: 40 Hours/Month Saved

#business #automation #process #webdev
Comments
3 min read
PDF Forensics Without the Original File: One-Sided Fraud Detection
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PDF Forensics Without the Original File: One-Sided Fraud Detection

#pdf #tutorial #forensics #api
Comments
6 min read
Freelance Developer vs IT Partner: What's the Difference?
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Freelance Developer vs IT Partner: What's the Difference?

#business #itstrategy #leadership #cto
Comments
3 min read
Fake Invoice Detection: What PDF Metadata Reveals
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Fake Invoice Detection: What PDF Metadata Reveals

#pdf #tutorial #fraud #api
Comments
6 min read
Reverse-Charge VAT for B2B SaaS: Node.js Implementation Checklist
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Reverse-Charge VAT for B2B SaaS: Node.js Implementation Checklist

#tax #webdev #europe
Comments
10 min read
React Email + Resend Tutorial: Transactional Emails with PDF Invoices
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React Email + Resend Tutorial: Transactional Emails with PDF Invoices

#nextjs #typescript #react #reactemail
Comments
10 min read
KYC PDF Blind Spot: Bank Statement Fraud Your Stack Misses
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KYC PDF Blind Spot: Bank Statement Fraud Your Stack Misses

#pdf #fintech #api #fraud
Comments
8 min read
Automate Diploma Fraud Detection with a PDF Checking API
iurii_rogulia profile

Automate Diploma Fraud Detection with a PDF Checking API

#pdf #fintech #api #fraud
Comments
9 min read
Self-Hosting Node.js API: Caddy, Docker Compose, VPS
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Self-Hosting Node.js API: Caddy, Docker Compose, VPS

#typescript #node #hono #docker
Comments
9 min read
I Ran My Business With AI for 30 Days: Results and Lessons
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I Ran My Business With AI for 30 Days: Results and Lessons

#fun #webdev
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7 min read
Detect PDF Tampering Programmatically: Developer Guide
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Detect PDF Tampering Programmatically: Developer Guide

#pdf #tutorial #api #webdev
Comments
7 min read
Validate French VAT Numbers (TVA) in Node.js
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Validate French VAT Numbers (TVA) in Node.js

#tax #webdev #api
Comments
9 min read
Why Does My PDF Show a Future Creation Date?
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Why Does My PDF Show a Future Creation Date?

#pdf #tutorial #webdev
Comments
5 min read
Fractional IT Partner vs In-House IT Department: Cost Breakdown
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Fractional IT Partner vs In-House IT Department: Cost Breakdown

#business #itstrategy #automation #cto
1
Comments
4 min read
Publishing One Package to Five Registries with GitHub Actions
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Publishing One Package to Five Registries with GitHub Actions

#typescript #python #php #go
Comments
9 min read
HTPBE? vs. iDenfy vs. Manual Review: Document Fraud Detection Compared
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HTPBE? vs. iDenfy vs. Manual Review: Document Fraud Detection Compared

#pdf #fintech #fraud #api
Comments
10 min read
IT Audit Checklist: What to Expect in Week One
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IT Audit Checklist: What to Expect in Week One

#business #itstrategy #process #cto
Comments
4 min read
PDF Integrity Report: March 2026
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PDF Integrity Report: March 2026

#pdf #fraud #webdev
Comments
11 min read
5 Signs Your Business IT Setup Is Costing You Money
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5 Signs Your Business IT Setup Is Costing You Money

#business #itstrategy #cto #webdev
Comments
5 min read
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