Calibrium spol. s r. o. is a construction testing company from central Slovakia. They measure how well embankments, trench backfills, road bases and foundations are compacted, run geotechnical surveys and supervise quality on road, railway and building sites. In October 2026 I launched a complete redesign of their website, built as a static Jekyll site with a visual language drawn from the company’s logo and the soil its people work with every day.

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Envirobly.com is a startup I solo founded and launched in October 2025. It’s a culmination of an intense 3 year work, crafting a platform to deploy web applications to, while keeping the costs manageable.

It runs the full lifecycle of application infrastructure on AWS. It connects to a customer’s AWS account, lays down regional foundations (VPC, NAT, Traefik gateways, Route53 DNS, Managed Prometheus), and lets teams ship services, databases, and gateways with zero-downtime deploys, live logs and metrics.

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I open sourced a Rails app that I’ve been personally using for years for simple project management. The code is available on Github under the MIT license. From the README:

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Another project succesfully finished and launched. A simple presentation for a Slovak company providing services for laboratories in construction business. I provided and executed the whole presentation, from graphic design to integration with WordPress content management system.

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I am very proud of this one. Kvalitest - Stavebné skúšobníctvo a geotechnika dates back to around 2007 and as such is among the first professional websites I’ve build in my career. After 8 years I am satisfied with how the design and implementation is still going strong and stands the test of time. Granted, it’s a simple website, it could use a touch of responsiveness for the mobile devices, but it “gets the job done” par excellence.

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