$ htop --user=mahawir

Expertise

Concrete: technologies, versions, years of experience, project counts.

user@mahawir ~ /expertise · neofetch

neofetch

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  mahawir · expertise · 2026

user:Mahawir Iwanowski

role:AI Engineer & Fullstack Developer

location:Wrocław, Poland

available:yes (remote + onsite)

contact:mahaviriwa@gmail.com

github:github.com/Methedrone

domain:mahawir.pl

cat /expertise/skills.json

Artificial Intelligence

Primary specialization. Years of experience, % proficiency, context.

OpenAI API92%(3 yrs)
→ GPT-4, embeddings, function calling — 6+ produkcyjnych projektów
Multi-agent systems85%(2 yrs)
→ LangChain, custom orchestration, role-based tool calling
Prompt engineering90%(3 yrs)
→ Wersjonowane system prompts, JSON-mode, A/B evaluacje
RAG pipelines80%(2 yrs)
→ pgvector / Pinecone, własna baza wektorowa, re-ranking
Claude API (Anthropic)70%(1 yr)
→ Tool use, streaming, prompt caching

Produkcyjne systemy: Next.js, React, TypeScript, WordPress, PHP.

Next.js (App Router)92%(3 yrs)
→ Next 16, RSC, streaming, i18n — produkcyjne deploymenty
TypeScript95%(5 yrs)
→ Strict mode, generics, type-level programming
React90%(5 yrs)
→ Hooks, suspense, server components, Radix UI
WordPress85%(5 yrs)
→ Custom post types, REST API, Polylang, bezpieczeństwo
PHP75%(4 yrs)
→ WordPress backend, wtyczki, optymalizacja
Tailwind CSS90%(4 yrs)
→ Tailwind v4, custom design systems, dark mode

CachyOS, Cloudflare, Docker, DigitalOcean, self-hosted mail.

CachyOS / Arch Linux90%(4 yrs)
→ Daily driver, BTRFS, snapshoty, pacman/AUR
Cloudflare85%(3 yrs)
→ Pages, Workers, R2, DNS, security headers
Docker80%(4 yrs)
→ Multi-stage builds, compose, dev/prod parity
DigitalOcean85%(5 yrs)
→ Droplets, managed Postgres, Spaces, monitoring
Postfix / Dovecot / OpenSMTPD70%(3 yrs)
→ Self-hosted mail server, SPF/DKIM/DMARC

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