/eres
ERES Facility PortalCLIENT · 2025
Operations portal running daily at ERESfacility — 39 DB tables, 45 permissions, PWA for field technicians. Live since 2025.Selected work · 2009–20265 tiers · 50+ projects
Ship it. Then
run it for years.
Real clients first. Showcase pieces with provenance. Open source at the bottom.
Tier 1 · Client work
Real businesses, named.
Paid client engagements with full attribution and real testimonials. These are the references I point prospects at first.
/bidbox
BidBoxCLIENT · 2025
All-in-one brand-building platform for Václav Kovář. Started as an AI postcard analyser, grew into the full operational backbone of his business — auction workflow, brand asset library, CRM, customer portal./elioDEV MOCKUP
ÉLIO Caffè & BistroCLIENT · 2026
Complete brand identity and launch web presence for a new coffee + bistro concept. Leo Szabo — owner — signed off on the direction after the first concept call./mcom
MCOMCLIENT · 2022
End-to-end brand identity for MCOM, a regional ISP — custom M monogram (signal-broadcast metaphor), lime-green + ivory system that survives from fiber-optic patch panel etch to billboard.Tier 2 · Own products
Products I run, not just build.
Self-directed work where I'm the operator, not a vendor. If these break on a Sunday, it's me fixing them.
nukr.dev
NUKRPRODUCT · 2025
Quantum-proof encrypted infrastructure. Zero signup, device-held keys. Shared Rust + WASM crypto core powers a family of products — Drop, Bridge, Vault, Pay, Cash, Radio.unoneto.sk
UnonetoPRODUCT · 2025
AI-first delivery duo for Slovak + Czech SMBs. Custom agents that replace manual data entry between e-mail, Pohoda / KROS / Money S3, e-shops, and the 2027 e-invoice rails. Audit-first engagement, grant-funded delivery.conseto.io
ConsetoPRODUCT · 2025
Site growth platform for EU-hosted sites. Five pillars (analytics, legal, security, marketing, intelligence) in one dashboard, GDPR-first.faborino.com
FaborinoPRODUCT · 2024
Premium Montessori e-commerce for EU parents. 1,478 products across 4 languages. Authorized reseller of Nienhuis / GAM / Educo.Tier 3 · Showcases · Provenance on detail page
Portfolio demonstrations, not client engagements.
Each card opens a detail page with a SHOWCASE · PROVENANCE disclosure block so you know exactly what this is and isn't.
heraldic-capital.vercel.appSHOWCASE
Heraldic CapitalSHOWCASE · 2025
56 pages, 54 API endpoints, live precious-metals pricing, 9-level commission system, PDF contract generation, KYC workflow.ops-portal-production.up.railway.appSHOWCASE
OpsPortalSHOWCASE · 2025
Laravel + Filament ops reference — contracts, schedules, performances, audit trail. Seed data only, honest provenance, RBAC depth for B2B prospects.omnishop-one.vercel.appSHOWCASE
OmniShopSHOWCASE · 2024
Frontend reference — storefront, checkout, dark admin, analytics. Dummy data, honest provenance, shared tokens across two themes.saferta-lake.vercel.appSHOWCASE
SafertaSHOWCASE · 2025
Certification issuance workflow with multi-tenant admin, course authoring, assessment engine, PDF certificate generation.Tier 4 · Open source
Tools I ship in public.
Public GitHub repos, production-grade, MIT-licensed where applicable. Credibility infrastructure that exists outside any client engagement.
KovrinPythonAI agent safety + orchestration framework. Originally LATTICE. Open-source credibility infrastructure alongside Meta / Cisco / NVIDIA / Anthropic entries in the agent-safety space.GitHubvideo-makerPythonOpen-source video generation tooling. One of my Upwork showcase projects, now maintained publicly.GitHublead-scout-mcpPythonProduction Python FastMCP lead-generation pipeline. 13 tools across 11 data sources. Verified decision-maker contacts across UK + CZ markets.GitHubtrend-intel-mcpPythonClaude MCP server for keyword + trend research. 16 tools across public endpoints. Used during my own SEO / content work.GitHubsocial-posts-mcpPythonClaude MCP server for social media post generation + scheduling workflows.GitHub
AI spikes & experiments · 4
AI spikes & experiments.
Self-built explorations of practical AI workflows — agents, content pipelines, invoice extraction, recommendation engines, sentiment scoring. Reference patterns I draw on for client AI automation work.
Tier 5 · Brand identity · 17 years · Selected
The seventeen-year tail.
10 selected brand pieces backing up the “12+ industries served” stat. Thumbnails only — no detail pages. These exist to prove the credibility layer, not to re-sell each engagement.
1/ 3slots open · Q2 2026
Booking open nowlive times on /book
Let's talk.
Something similar? 30-minute discovery — you lead, I ask senior-operator questions, honest fit check on what you saw here.
Discovery credits toward the build if we continue.
mail@nkovalcin.comReply within 1 working day