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Iurii Rogulia, senior full-stack software engineer. Professionally building software since 2001.

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TMI Iurii Rogulia
VAT ID: FI29845875
DUNS: 368664211
Lappeenranta, Finland 🇫🇮

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Iurii Uses: #pdf-lib

4 projects · 1 article

pdf-lib is a JavaScript library for creating and modifying PDF files in Node.js or the browser. It provides low-level control over PDF structure – useful for merging documents or filling existing form templates.

Projects

kri.rocks – Booking Website and Online Scheduling SaaS for Beauty Businesses
kri.rocks – Booking Website and Online Scheduling SaaS for Beauty Businesses
September 28, 2026

Vertical SaaS that gives a salon, barbershop or solo beauty specialist their own booking website in minutes.

Stack

Next.jsReactTypeScriptNode.js

Libraries

HonoDrizzle ORMBetter Authnext-intlTailwind CSSpdf-libZodioredis

Databases

PostgreSQLRedis

Services

MollieResendCloudflareSentryvatnode API

Topics

SaaSMulti-TenancyOnline BookingBillingTax/VATi18nMonorepoTurborepo
PostNord Shipping Automation
PostNord Shipping Automation
November 26, 2025
PostNord Shipping Automation

Automated PostNord label generation for 20–50 daily shipments, replacing 5–7 minutes of manual portal work per order.

Stack

Next.jsTypeScript

Libraries

pdf-lib

Services

PostNordAirtableMailgun

Topics

ShippingLabel GenerationOrder Automation
pikkuna.fi – E-commerce for Vinyl Curtains & PVC Products
pikkuna.fi – E-commerce for Vinyl Curtains & PVC Products
October 12, 2024
pikkuna.fi – E-commerce for Vinyl Curtains & PVC Products

E-commerce platform with 30 locales, product configurators, AI chatbot, and fully automated order flow: Stripe → Zoho CRM → Airtable → Mailgun → PDF.

Stack

Next.jsReactTypeScript

Libraries

next-intlZodpdf-libPuppeteerStripe.jsBullMQ

Databases

Redis

Services

StripeZohoMailgunPostNordNetvisorVercelVercel BlobGoogle AnalyticsMeta CAPIAirtableUpstash

Topics

E-commercePaymentsShippingPDFPWACTOArchitectureSEOSchema.orgi18nPerformance
HTPBE.TECH – Has This PDF Been Edited?
HTPBE.TECH – Has This PDF Been Edited?
September 25, 2024
HTPBE.TECH – Has This PDF Been Edited?

SaaS platform for PDF authenticity verification with a public REST API.

Stack

Next.jsReactTypeScript

Libraries

Drizzle ORMZodNextAuth.jspdf-lib

Databases

PostgreSQL

Services

MollieResendGoogle Analytics

Topics

SaaSPDFAPIAuthSecuritySEOSchema.org

Articles

How to Detect Tampered PDFs (Forensics Tutorial)
November 28, 2025· 12 min
How to Detect Tampered PDFs (Forensics Tutorial)

Detect tampered PDFs using xref table analysis, metadata mismatches, orphaned objects, and font changes – 7 forensic markers explained with TypeScript code.

Stack

Next.jsTypeScript

Libraries

pdf-lib

Topics

PDFSecuritySaaS
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