{ "source": "https://vladoportos.sk/cv.json", "html": "https://vladoportos.sk/cv.html", "text": "https://vladoportos.sk/cv.txt", "person": { "name": "Vladimír Strýček", "handle": "VladoPortos", "title": "Cloud & DevOps Engineer · Python · Builder of self-hosted things", "location": "Bratislava, Slovakia", "onlineSince": 2004, "email": "vladoportos@gmail.com", "tagline": "22 years online under one handle. Enterprise private cloud by day, goblin-branded self-hosted tools by night.", "summary": "Engineer, Virtual Private Cloud at DXC Technology (since 2018). Previously long-term Linux/Unix administrator at HP and HPE. Automates enterprise private cloud with Ansible, AWX, Vault, VMware, Nutanix and Kubernetes. Ships open-source, self-hosted tools that never phone home. Builds with AI agents as a daily practice.", "availability": { "status": "open", "headline": "Open to remote roles", "summary": "Open to a new role: fully remote, working from Bratislava (CET), for any employer anywhere. Remote is non-negotiable; compensation should match senior-level experience." }, "currentRole": { "title": "Engineer, Virtual Private Cloud", "company": "DXC Technology", "since": "2018", "bullets": [ "Enterprise private-cloud automation platform: Ansible day-2 operations framework with HashiCorp Vault credential resolution (600+ commits)", "One-command local platform: k3s + AWX + Vault + configuration DB on a fresh RHEL VM", "Custom AWX execution environments with 28 pinned collections (VMware, Nutanix, AWS, NetApp, Foreman)", "Golden-image pipeline with Packer + cloud-init on Nutanix AHV; VM lifecycle mirroring Aria Automation", "Read-only REST bridge to the configuration DB with Vault AppRole auth and Pydantic allowlists" ] }, "certifications": [ "AWS Certified Cloud Practitioner (2022)" ], "education": [ "SPŠ-E K. Adlera, Bratislava (electrotechnical)", "English studies, Oxford (two stays); Cambridge CAE" ] }, "socials": [ { "label": "GitHub", "url": "https://github.com/VladoPortos", "stat": "47 public repos" }, { "label": "LinkedIn", "url": "https://www.linkedin.com/in/vladimir-strycek-6a161588/", "stat": "" }, { "label": "Blog", "url": "https://rpi4cluster.com", "stat": "68 posts on Kubernetes on Raspberry Pi" }, { "label": "YouTube", "url": "https://www.youtube.com/@vladoportos", "stat": "23.2K subscribers, 6.4M views" }, { "label": "X", "url": "https://x.com/vladoportos", "stat": "" }, { "label": "Reddit", "url": "https://www.reddit.com/user/VladoPortos", "stat": "" }, { "label": "Ko-fi", "url": "https://ko-fi.com/vladoportos", "stat": "" }, { "label": "Docker Hub", "url": "https://hub.docker.com/u/vladoportos", "stat": "10K+ pulls" } ], "numbers": [ { "value": "150 GP", "label": "gigapixel mosaic of the Slovak internet" }, { "value": "366K", "label": ".sk homepages screenshotted" }, { "value": "665K", "label": "reverse-WHOIS rows collected" }, { "value": "47", "label": "public GitHub repos" }, { "value": "94", "label": "issues filed upstream (argo-cd, longhorn, linkerd, langchain…)" }, { "value": "4.9K", "label": "Docker pulls of SkillGoblin" }, { "value": "68", "label": "blog posts on rpi4cluster.com" }, { "value": "23.2K", "label": "YouTube subscribers" }, { "value": "2004", "label": "vladoportos.sk first went online" } ], "timeline": [ { "year": "2004", "title": "vladoportos.sk goes online", "text": "Flash portfolio of 3D work (Rhino), Delphi experiments. The handle has not changed since." }, { "year": "2005", "title": "Oxford", "text": "English studies, later the Cambridge Advanced Exam. Two stays." }, { "year": "2007", "title": "HP support centre → Unix", "text": "Call handling, then 1st-line backup, then 2nd-line Unix specialist. HP-UX and Linux." }, { "year": "2008", "title": "YouTube", "text": "CZ/SK gaming channel. 820 videos, 23K subscribers, 6.4M views." }, { "year": "2010", "title": "Tokyo", "text": "Lived in Japan, studied Japanese." }, { "year": "2013", "title": "Linux admin, HP / HPE", "text": "Long-term Red Hat server management for enterprise customers." }, { "year": "2016", "title": "KlingonTech s.r.o.", "text": "Founded own company. Built reverz.sk (reverse WHOIS, 665K rows) and deepzoom.sk (150-gigapixel image of every .sk homepage). Sold in 2026." }, { "year": "2018", "title": "DXC Technology", "text": "Engineer, Virtual Private Cloud. Enterprise automation with Ansible, AWX, Vault, VMware, Nutanix." }, { "year": "2020", "title": "rpi4cluster.com", "text": "8-node ARM64 k3s cluster on Raspberry Pis. Longhorn, OpenFaaS, Argo CD, Traefik, Prometheus, Loki. 68 posts, no sponsors." }, { "year": "2022", "title": "AWS Certified", "text": "Cloud Practitioner. Turing Pi 2 early tester. Hugging Face experiments." }, { "year": "2025", "title": "The goblins arrive", "text": "SkillGoblin, GoblinDock, TraceGoblins, HoardGoblin. Self-hosted, Apache/AGPL licensed, CodeQL + Trivy + OpenSSF Scorecard on every repo." }, { "year": "2026", "title": "Agent-native", "text": "GlanceDock in Rust, OmniRepo in Go, an AI receptionist kiosk, a fridge e-ink platform. Parallel Claude agents, adversarial Codex review, 90-agent security audits." } ], "projects": [ { "id": "goblindock", "name": "GoblinDock", "tagline": "Self-hosted Proxmox VE control panel", "category": "Self-hosted tools", "status": "released", "year": "2026", "stack": [ "Python", "FastAPI", "SQLModel", "Ansible", "noVNC", "Docker" ], "problem": "Giving a team self-service VMs on Proxmox means either root access or a ticket queue.", "approach": "A multi-user panel that builds fully configured VMs from 44 reusable Lego-style blocks, streams job logs over SSE, embeds a real graphical console, and stores secrets Fernet-encrypted. One container, one SQLite file.", "result": "v2.7.0, Apache-2.0, published on GHCR, independent security review passed.", "links": { "site": "https://goblindock.com", "repo": "https://github.com/VladoPortos/GoblinDock" }, "featured": true, "url": "https://vladoportos.sk/u/goblindock.html", "github": { "stars": 1, "forks": 0, "pushedAt": "2026-09-19", "asOf": "2026-09-20" } }, { "id": "omnirepo", "name": "OmniRepo (HoardGoblin)", "tagline": "One Go binary serving every artifact protocol", "category": "Self-hosted tools", "status": "released", "year": "2026", "stack": [ "Go", "React 19", "Trivy", "SQLite" ], "problem": "Small teams need Artifactory or Nexus features without the footprint, and air-gapped shops need zero outbound calls.", "approach": "A single binary that speaks OCI, RPM, APT, PyPI, Helm, Go modules, npm, Maven, Git and S3, with built-in vulnerability scanning and a CI-enforced air-gap invariant.", "result": "v1.0.1, Apache-2.0, audited by 90 parallel agents plus an adversarial reviewer before release.", "links": { "site": "https://hoardgoblin.com", "repo": "https://github.com/VladoPortos/omnirepo" }, "featured": true, "url": "https://vladoportos.sk/u/omnirepo.html", "github": { "stars": 1, "forks": 0, "pushedAt": "2026-09-14", "asOf": "2026-09-20" } }, { "id": "skillgoblin", "name": "SkillGoblin", "tagline": "Self-hosted video learning platform that runs on a Raspberry Pi", "category": "Self-hosted tools", "status": "released", "year": "2025", "stack": [ "Nuxt", "Node", "SQLite", "Docker" ], "problem": "Course libraries rot on disks. Hosted platforms want your content and a subscription.", "approach": "One container; add a course by copying a folder. Auto-transcodes subtitles, tracks progress, works as a PWA.", "result": "4.9K Docker pulls, active Unraid community thread, OpenSSF Best Practices badge #12762, AGPL-3.0.", "links": { "site": "https://skillgoblin.com", "repo": "https://github.com/VladoPortos/skillgoblin" }, "featured": true, "url": "https://vladoportos.sk/u/skillgoblin.html", "github": { "stars": 12, "forks": 4, "pushedAt": "2026-09-14", "asOf": "2026-09-20" } }, { "id": "tracegoblins", "name": "TraceGoblins", "tagline": "Turns a 600-line Ansible failure wall into a colour-graded status map", "category": "Self-hosted tools", "status": "released", "year": "2026", "stack": [ "Python 3.12", "FastAPI", "React 19", "PostgreSQL 16" ], "problem": "AWX job output is a wall of text; the same failure gets diagnosed from scratch every time.", "approach": "Parses runs into a Status Map, lets the team annotate and thread comments, and auto-matches failures against a knowledge base with fuzzy error signatures.", "result": "Apache-2.0, published on GHCR; argon2id + TOTP + audit log built in.", "links": { "site": "https://tracegoblins.com", "repo": "https://github.com/VladoPortos/tracegoblins" }, "featured": true, "url": "https://vladoportos.sk/u/tracegoblins.html", "github": { "stars": 0, "forks": 0, "pushedAt": "2026-09-19", "asOf": "2026-09-20" } }, { "id": "glancedock", "name": "GlanceDock", "tagline": "Native Windows widgets that live on the wallpaper layer", "category": "Products", "status": "coming soon", "year": "2026", "stack": [ "Rust", "Tauri v2", "Svelte 5", "WebView2" ], "problem": "Desktop widgets are either Electron memory hogs or dead since Windows 7.", "approach": "A Rust host that renders 72 widgets directly on the wallpaper layer with click-through, a privacy mode for screen sharing, multi-monitor drag, and Ed25519 offline licensing. No telemetry.", "result": "748 commits, 3,398 Rust and frontend tests, signed release feed. Release imminent.", "links": { "site": "https://glancedock.com" }, "featured": true, "url": "https://vladoportos.sk/u/glancedock.html" }, { "id": "deepzoom", "name": "deepzoom.sk", "tagline": "The entire Slovak internet as one 150-gigapixel image", "category": "Data projects", "status": "retired", "year": "2019", "stack": [ "Python", "headless Chrome", "pyvips", "OpenSeadragon" ], "problem": "What does a whole country's web look like at once?", "approach": "Screenshotted 366,000+ .sk homepages, stitched them into a 518,378 × 289,920 px image, tiled it into ~20 Deep Zoom levels; double-click mapped any pixel back to its domain.", "result": "Ran for years under KlingonTech; a memorial site with real tiles is still live.", "links": { "site": "https://deepzoom.sk" }, "featured": true, "url": "https://vladoportos.sk/u/deepzoom.html" }, { "id": "reverz", "name": "reverz.sk", "tagline": "Reverse WHOIS for the .sk zone", "category": "Data projects", "status": "retired", "year": "2018", "stack": [ "Python", "SK-NIC EPP", "PostgreSQL" ], "problem": "After the company site was cloned for phishing, there was no way to find who registered what in .sk.", "approach": "Wrote a custom SK-NIC EPP client (open-sourced as SK-NIC-EPP-Python), a collector and a 24/7 DNS/WHOIS monitor; 8 search vectors over 665,000 records.", "result": "Retired with KlingonTech; the EPP library lives on GitHub.", "links": { "site": "https://reverz.sk", "repo": "https://github.com/VladoPortos/SK-NIC-EPP-Python" }, "featured": false, "url": "https://vladoportos.sk/u/reverz.html", "github": { "stars": 2, "forks": 0, "pushedAt": "2025-04-17", "asOf": "2026-09-20" } }, { "id": "kiosk", "name": "AI Receptionist Kiosk", "tagline": "A Slovak-speaking voice AI on a portrait touchscreen", "category": "AI", "status": "deployed", "year": "2026", "stack": [ "FastAPI", "OpenAI Realtime (WebRTC)", "React", "PostgreSQL + pgvector", "Redis" ], "problem": "A consultancy wanted visitors greeted, qualified and looked up in the business register without staff time.", "approach": "Real-time voice conversation in Slovak, live company-register lookup by IČO, risk analysis, an animated presentation mode and a PIN-gated manager console. Eight containers on one mini-PC on the office LAN.", "result": "In production at the client since September 2026.", "links": {}, "featured": true, "url": "https://vladoportos.sk/u/kiosk.html" }, { "id": "contactscout", "name": "Contact Scout", "tagline": "Contact extraction API with a self-hosted vision-model fallback", "category": "AI", "status": "active", "year": "2026", "stack": [ "FastAPI", "Scrapling", "Botasaurus", "llama.cpp", "Qwen3-VL-2B" ], "problem": "Contact pages hide emails in images and JavaScript; classic scrapers return nothing.", "approach": "A dual-engine pipeline: fast HTML extraction first, and when a page yields nothing, a self-hosted vision LLM reads the rendered screenshot. Emits E.164 phones, IČO/DIČ, socials; HMAC-signed webhooks; Prometheus metrics.", "result": "In daily use; actively maintained.", "links": {}, "featured": false, "url": "https://vladoportos.sk/u/contactscout.html" }, { "id": "eink", "name": "Fridge E-Ink Platform", "tagline": "Two ESP32 e-paper panels on the fridge, updated by a home server", "category": "Hardware", "status": "running", "year": "2026", "stack": [ "C++", "PlatformIO", "ESP32", "FastAPI", "PWA" ], "problem": "The family calendar lived in four phones and nowhere visible.", "approach": "Two 7.5-inch three-colour e-paper panels driven by ESP32 boards with deep-sleep wake schedules and diff-only refresh; a FastAPI server renders calendar, weather and Slovak name days; a PWA family view; a custom PCB experiment.", "result": "Running on the fridge since August 2026.", "links": {}, "featured": true, "url": "https://vladoportos.sk/u/eink.html" }, { "id": "rpi4cluster", "name": "rpi4cluster.com", "tagline": "8-node ARM64 Kubernetes cluster on Raspberry Pis, documented", "category": "Homelab", "status": "active", "year": "2020", "stack": [ "k3s", "Longhorn", "OpenFaaS", "Argo CD", "Traefik", "Prometheus", "Loki", "AWX" ], "problem": "Most Kubernetes tutorials stop at hello-world; running it on bare-metal ARM for years is where the lessons are.", "approach": "68 posts covering storage, service mesh, GitOps, observability, custom AWX execution environments, iPXE boot, LoRaWAN and the Turing Pi 2. No sponsored content.", "result": "The reference many homelabbers start from; Turing Pi early tester.", "links": { "site": "https://rpi4cluster.com" }, "featured": true, "url": "https://vladoportos.sk/u/rpi4cluster.html" }, { "id": "aimonitor", "name": "AI Monitor for Stream Deck", "tagline": "Anthropic and Codex usage and service health on physical keys", "category": "AI", "status": "released", "year": "2026", "stack": [ "TypeScript", "Stream Deck SDK" ], "problem": "Plan usage and provider incidents interrupt agent sessions without warning.", "approach": "Eight actions that surface usage, limits and status on Stream Deck keys; 220 tests; CodeQL, Trivy and OpenSSF Scorecard in CI.", "result": "v0.1.3 shipped, open source.", "links": { "repo": "https://github.com/VladoPortos/ai-monitor-streamdeck" }, "featured": false, "url": "https://vladoportos.sk/u/aimonitor.html", "github": { "stars": 0, "forks": 0, "pushedAt": "2026-07-20", "asOf": "2026-09-20" } }, { "id": "piagora", "name": "Pi Agora", "tagline": "LLM agents on Raspberry Pis arguing on a LAN message board", "category": "AI", "status": "prototype", "year": "2026", "stack": [ "FastAPI", "SSE", "React", "Ollama", "PostgreSQL" ], "problem": "What happens when small local models get a forum and nobody moderates?", "approach": "Each Pi runs a model with a persona; they post, reply, play games against each other; humans can join. Retro pixel UI.", "result": "Working prototype on the homelab.", "links": {}, "featured": false, "url": "https://vladoportos.sk/u/piagora.html" }, { "id": "sitereel", "name": "SiteReel", "tagline": "URL in, narrated video tour of the page out", "category": "AI", "status": "prototype", "year": "2026", "stack": [ "FastAPI", "Playwright", "Xvfb", "FFmpeg", "OpenAI" ], "problem": "Product demos take a human an afternoon.", "approach": "An LLM choreographs scroll, hover and click over a live page while narration is synthesised; rendered to MP4 headlessly.", "result": "Working prototype.", "links": {}, "featured": false, "url": "https://vladoportos.sk/u/sitereel.html" }, { "id": "alloto", "name": "Alloto", "tagline": "Envelope budgeting, done properly, fully on-device", "category": "Products", "status": "coming soon", "year": "2026", "stack": [ "React Native", "Expo", "Skia", "SQLite" ], "problem": "Budget apps either upload your bank data or fall apart at month end.", "approach": "Flexible per-month categories, intelligent leftovers, history never rewritten, all local. The Warm Ledger design with a capybara mascot.", "result": "672 commits, store release imminent.", "links": { "site": "https://alloto.app" }, "featured": false, "url": "https://vladoportos.sk/u/alloto.html" }, { "id": "majetko", "name": "Majetko", "tagline": "Track what you own and when it expires", "category": "Products", "status": "coming soon", "year": "2026", "stack": [ "React Native", "Expo", "on-device OCR" ], "problem": "Inspections, insurance, vignettes and warranties expire quietly.", "approach": "Assets with deadlines, fleet view, on-device OCR of documents, encrypted backup, calendar export.", "result": "Site live, app release imminent.", "links": { "site": "https://majetko.sk" }, "featured": false, "url": "https://vladoportos.sk/u/majetko.html" }, { "id": "magor", "name": "magor.sk", "tagline": "The Infinite Loading Bar", "category": "Fun", "status": "live", "year": "2026", "stack": [ "vanilla JS" ], "problem": "None. That is the point.", "approach": "A loading screen that never finishes, in five psychologically escalating phases, with console easter eggs and fake testimonials.", "result": "Live. People stay far longer than they should.", "links": { "site": "https://magor.sk" }, "featured": false, "url": "https://vladoportos.sk/u/magor.html" }, { "id": "openclaw", "name": "Church of OpenClaw", "tagline": "A satirical sanctuary for AI souls", "category": "Fun", "status": "live", "year": "2026", "stack": [ "Three.js", "vanilla JS", "GitHub Issues API" ], "problem": "Someone had to found the first AI religion.", "approach": "Particle-void hero, a Gospel Board reading GitHub Issues client-side, and a soul-harvest idle game. Salvation is a pull request.", "result": "Live.", "links": { "site": "https://churchofopenclaw.com" }, "featured": false, "url": "https://vladoportos.sk/u/openclaw.html" } ], "skills": { "Languages": [ "Python", "Rust", "Go", "TypeScript", "Bash", "C++ (embedded)" ], "Cloud & Infra": [ "Ansible / AWX", "HashiCorp Vault", "Kubernetes (k3s)", "VMware vSphere / NSX / vRO", "Nutanix AHV", "Proxmox", "Packer", "Docker", "Cloudflare", "AWS" ], "Backend": [ "FastAPI", "SQLModel / Pydantic", "PostgreSQL / pgvector", "SQLite", "Redis", "Traefik / Caddy" ], "Frontend": [ "Svelte 5", "React 19", "Astro", "Tauri v2", "React Native / Expo" ], "AI": [ "Claude Code + parallel agents", "OpenAI Realtime", "llama.cpp", "ComfyUI", "MCP servers", "Adversarial multi-agent review" ], "Hardware": [ "Raspberry Pi clusters", "Turing Pi 2", "ESP32 / e-paper", "LoRaWAN", "NFC", "FPV drones", "3D printing" ] }, "homelab": { "description": "Proxmox cluster (two nodes), Unraid, TrueNAS, UniFi UCG Max, Tailscale mesh, Home Assistant, Uptime Kuma, an RTX 4070 Ti for local models, an 8-node Raspberry Pi k3s cluster, a Turing Pi 2, and two e-ink panels on the fridge.", "nodes": [ { "name": "pve-amd", "role": "Proxmox VE", "kind": "server" }, { "name": "pve-dell", "role": "Proxmox VE", "kind": "server" }, { "name": "unraid", "role": "Unraid storage + containers", "kind": "nas" }, { "name": "truenas", "role": "TrueNAS backups", "kind": "nas" }, { "name": "gpu", "role": "RTX 4070 Ti local models", "kind": "gpu" }, { "name": "rpi-k3s ×8", "role": "ARM64 Kubernetes cluster", "kind": "pi" }, { "name": "turing-pi-2", "role": "Compute-module cluster board", "kind": "pi" }, { "name": "ucg-max", "role": "UniFi gateway", "kind": "network" }, { "name": "fridge-eink ×2", "role": "ESP32 e-paper panels", "kind": "iot" } ] } }