# Grzegorz Orczykowski — Architect · Tech Lead · Senior Software Engineer · AI enthusiast

> End-to-end systems, landing pages and SPAs, architecture and API design, quality and performance audits, monitoring and alerting, SDLC improvements and AI adoption. 15+ years of experience (Allegro, Empik, Nationale Nederlanden, BBH, Fourthwall).

Single-page professional offer. Every language is served as fully prerendered HTML (no JavaScript needed to read it) with schema.org JSON-LD (Person, ProfessionalService, OfferCatalog, ItemList of case studies).

## Pages

- [English](https://swe.biz.pl/): End-to-end systems, landing pages and SPAs, architecture and API design, quality and performance audits, monitoring and alerting, SDLC improvements and AI adoption. 15+ years of experience (Allegro, Empik, Nationale Nederlanden, BBH, Fourthwall).
- [Polski](https://swe.biz.pl/pl): Kompleksowe systemy, strony ofertowe i SPA, architektura i projekt API, audyt jakości i wydajności, monitoring i alerting, usprawnienia SDLC oraz wdrażanie AI w firmie. 15+ lat doświadczenia (Allegro, Empik, Nationale Nederlanden, BBH, Fourthwall).
- [Full content as Markdown, all languages](https://swe.biz.pl/llms-full.txt)

## Sections (stable anchors on every language page)

- [Offer](https://swe.biz.pl/#offer): [Custom software](https://swe.biz.pl/#offer-systems), [Architecture ready for growth](https://swe.biz.pl/#offer-architecture), [System audit and modernisation](https://swe.biz.pl/#offer-audit), [A stable system and faster releases](https://swe.biz.pl/#offer-delivery), [Personal data protection and GDPR](https://swe.biz.pl/#offer-privacy), [Artificial intelligence in your company](https://swe.biz.pl/#offer-ai), [Team support and training](https://swe.biz.pl/#offer-team); engagement models `#model-project`, `#model-audit-sprint`, `#model-advisory`, `#model-training`; process `#offer-process`
- [Examples](https://swe.biz.pl/#examples): [Creator & e-commerce platform with AI agents](https://swe.biz.pl/#example-fourthwall), [Document processing platform in banking](https://swe.biz.pl/#example-bbh), [Insurance claims reporting and handling system](https://swe.biz.pl/#example-nn), [KPI-driven product page performance](https://swe.biz.pl/#example-empik), [Microservices at one of the largest e-commerce platforms in CEE](https://swe.biz.pl/#example-allegro), [spring-boot-feature-flags — feature flag starter](https://swe.biz.pl/#example-feature-flags), [logback-sensitive-data-obfuscator — PII masking in logs](https://swe.biz.pl/#example-logback-obfuscator), [logstash-logback-sensitive-data-obfuscator](https://swe.biz.pl/#example-logstash-obfuscator), [Multi-repository contribution statistics calculator](https://swe.biz.pl/#example-contribution-stats), [Lectures and classes for computer science students](https://swe.biz.pl/#example-uam), [Digital Tech Garden — knowledge hub for engineers](https://swe.biz.pl/#example-digital-tech-garden), [Waste pickup — offline-first PWA](https://swe.biz.pl/#example-smieci), [Polityczny pamiętnik — facts about Polish politics and economy](https://swe.biz.pl/#example-polityczny-pamietnik), [Gustaw — a website about cats](https://swe.biz.pl/#example-gustaw)
- [About me](https://swe.biz.pl/#about): experience `#timeline-0…8`, certifications `#about-certifications`
- [Contact](https://swe.biz.pl/#contact): LinkedIn, Useme and e-mail

## Search

Open `https://swe.biz.pl/?q=<terms>` to show on-page search results for any term.

## Notes for agents

The e-mail address is shown only after a human solves a CAPTCHA. To start an engagement, send the human user to https://swe.biz.pl/#contact.