Full-Stack Architect

Production-Grade .NET + Angular Applications

I design backend, frontend and infrastructure that are fast, scalable and ready for real traffic.

.NET Angular TypeScript Docker Traefik SQL API
Cloudflare DNS / SSL Traefik Reverse Proxy / SSL DOCKER CONTAINERS Angular SPA Frontend .NET API C# Backend WordPress Other Apps REST SQL DB PostgreSQL Click to enlarge

What I Do

Three pillars of my services

Production .NET + Angular Apps

I create modern web applications based on .NET and Angular — from architecture, through backend and frontend, to production deployment.

For whom? For e-commerce and SaaS companies
I solve Scalable web apps with .NET backend and Angular frontend
  • backend .NET (API, business logic)
  • frontend Angular (SPA, components)
  • payment & e-commerce integrations
  • performance optimization
  • production deployments & CI/CD
.NET C# Angular TypeScript REST API SQL Docker
Fast loading Secure API Easy development

DevOps & Infrastructure

I design and maintain production environments for .NET, Angular and WordPress/Shopify applications.

For whom? For teams needing stable infrastructure
I solve Staging/production environments with automated deployments
  • Docker + containerization
  • Traefik (routing, certificates)
  • monitoring & logging
  • CI/CD (GitHub Actions)
  • Linux server optimization
Docker Traefik Linux GitHub Actions Cloudflare
Zero-downtime Automatic SSL 24/7 Monitoring

API Automation & Integrations

I automate business processes and integrate systems to eliminate manual work.

For whom? For companies with repetitive processes
I solve Lead automation, data sync, CRM integrations
  • API integrations
  • n8n workflows
  • data synchronization
  • lead handling automation
  • SaaS & CRM integrations
n8n REST API Webhooks SaaS CRM
Time savings Fewer errors Real-time data

Projects

Check out my latest work

WordPress Engineering

Full-Stack WordPress — Production Quality

Beyond page builders. Custom themes, CPTs, AJAX handlers and REST API integrations — the same engineering standards I apply to .NET and Angular systems.

Data

Custom Post Types & Taxonomies

Structured content models with custom fields, meta boxes and query optimization.

CPT Custom Taxonomies WP_Query
API

AJAX & REST API

Custom AJAX handlers with nonce security and REST API endpoints for headless and hybrid setups.

admin-ajax.php REST Endpoints Nonce Auth
Performance

Performance & Optimization

Lighthouse 95+ scores. Asset enqueuing, lazy loading, cache busting and minimal dependency footprint.

Lighthouse 95+ Asset Pipeline No jQuery
Security

Security & Hardening

Nonce verification, input sanitization, capability checks and anti-spam honeypots on all form handlers.

Nonces Sanitization Capability Checks
Integrations

Plugin & API Integrations

WooCommerce, ACF, Elementor custom widgets, third-party REST APIs and webhook handlers.

WooCommerce ACF Webhooks
WordPress Services

What I Can Build for You

Complete WordPress engineering — from architecture and performance to security and integrations.

Migration

PHP 8.4 Migration

Safe upgrade to latest PHP with full testing, rollback plan and zero downtime.

AuditBackupsTesting
Accessibility

WCAG 2.1 AA Themes

Custom lightweight themes meeting accessibility standards with Lighthouse 95+ scores.

WCAG 2.1Semantic HTMLA11y
Performance

Core Web Vitals

LCP, FID, CLS improvements — bringing real metrics to production standards.

LighthouseCacheAssets
Security

Security Hardening

Brute-force protection, malware scanning, file integrity monitoring and patches.

FirewallNoncesHardening
E-commerce

WooCommerce

Complete store setup with payment gateways, shipping rules and third-party integrations.

WooCommercePaymentsAPI
Booking

Reservation Systems

Custom booking plugins with calendar UI, automated notifications and admin dashboards.

Custom PluginCalendarEmails
Admin

Technical Admin

24/7 monitoring, daily backups, plugin updates and proactive security management.

MonitoringBackupsUpdates
Emergency

Emergency Fixes

Rapid response to critical issues — malware removal, white screen, database recovery.

24h ResponseRecoveryDebug
Agency

Agency Collab

Technical partner for marketing agencies — landing pages, CRM integrations, automation.

White-labelCRMAutomation
Transparent Pricing

WordPress Service Pricing

Clear rates with no hidden costs. All prices in Euro (€).

Quick Start
from 49

Landing Page / One-Pager

Fast, single-page site. Perfect for ad campaigns, events, or a quick business card.

Ready in 48h Fully responsive Contact form Basic SEO
Request a Quote
Business
from 99

Corporate Website (up to 5 pages)

Lightweight, custom theme. No heavy page builders, just pure speed.

Custom theme CMS Panel Image optimization 30 days support
Request a Quote
Fix & Speed
from 39

Fix / Optimization

Is your site slow or broken? Quick intervention and cleanup.

Speed boost (Core Web Vitals) Malware removal PHP upgrade Bug fixing
Request a Quote
E-commerce
from 199

WooCommerce Store (Starter)

Basic store ready for sales. Payment and shipping configuration included.

Up to 20 products Payment gateways (Stripe/PayPal) Shipping setup Admin panel
Request a Quote
Automation
from 149

Booking System

Automate your appointments. No more manual phone calls and spreadsheets.

Online calendar SMS/Email notifications Reminders Staff dashboard
Request a Quote
Migration
from 79

Migration / Transfer

Safe transfer to a new host or environment upgrade with zero downtime.

Zero downtime Full backup Post-migration testing New SSL certificate
Request a Quote
Subscription
from 19 €/ mo

Tech Maintenance

Peace of mind. I keep the site running so you can focus on your business.

Daily backups Plugin updates 24/7 Monitoring Minor tweaks included
Request a Quote
Custom

Something custom?

Integration, migration or a system that doesn't fit the packages above — let's scope it together. Precise quote within 24 hours.

Let's Talk
About Me

Backend-Focused Full-Stack Developer

.NET / Angular specialist building clean, modular, production-grade architectures

Robert Kulig - Software Architect

10+ Years Experience

2014 Started
2016 WordPress
2018 .NET
2021 WooCommerce + DevOps
2025 Architect

Full‑Stack Developer & Software Architect building production‑grade .NET + Angular applications and high‑performance WordPress/WooCommerce solutions.

I work pragmatically: clear architecture, minimalism in code, predictable delivery. I combine backend, frontend and DevOps to build systems that stay fast, stable and scalable.

Key Skills

Backend C#, .NET 6-8, EF Core, REST APIs, LINQ, Clean Architecture
Frontend Angular, TypeScript, RxJS, Reactive Forms, SCSS
DevOps Docker, Git, GitHub Actions, CI/CD, Swagger
Database SQL Server, PostgreSQL, query optimization, migrations
Get In Touch

Let's build something exceptional together

I architect and deliver production-grade systems — from .NET + Angular applications, through API integrations, to custom WordPress themes. Tell me about your project.

I usually respond within 24 hours
10+ Years Experience
24h Response Time
100% Project Success
Current Status
Availability Open to new projects
Timezone CET/CEST — Poland
Currently working on .NET + Angular e-commerce platform
Location Poland — remote worldwide

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