Multi-site headless CMS: WASM/Yew public sites and a 200-file admin control center, Axum BFF with session auth, PostgreSQL, media service with HLS pipelines.
rust · yew/wasm · axum · postgresIn-cluster container registry with pull-through cache, cert-manager with 15+ Let's Encrypt certificates, Prometheus/Loki/Vector observability, PostgreSQL CronJob backups, RBAC, Kustomize overlays, buildx builders.
k3s · traefik · cert-manager · prometheusVisual editor built from scratch: CRDT collaborative documents (yrs), isomorphic renderer (preview == artifact), signed .ex container format, E2E pipeline block → build → artifact → verify.
crdt · yrs · axum · e2eSelf-check system, 34 verify/debug scripts, baseline snapshots before edge changes, hotfix/rollback manifests, AGENTS.md runbooks learned from real incidents.
selfcheck · rollback · runbooksOwn product (ProdMedia, ExStudio). Full vertical: from PostgreSQL schema to production deployment and the pixel of a visual editor. 764 commits in the main repo over 14 weeks.
Hybrid environment: physical server, VPSes and WSL2 nodes in a Kubernetes/k3s cluster; WireGuard/OpenVPN, GitLab CI/CD, Vault, monitoring, backups; mail, MSSQL, PostgreSQL, Redis.
VOD / Live TV / ad features on Android TV and mobile: ADB, logcat, Kibana, MUX, DAI; defect lifecycle in Jira with dev and product teams.
Python/FastAPI + SvelteKit SaaS: CSV/XLSX → XML conversions for KRZ-K, Paynow payments, data model, tests, Linux deployments, Nginx.