Blockchain & Web3 development
Smart contracts, custom transaction types and dApps — from EVM work in Solidity to layer-1 development on ARK Mainsail. Code written for audits, not just demos.
KOVISOFT · software practice of Žan Kovač
KOVISOFT is the independent practice of Žan Kovač — Senior Blockchain Developer at Protokol, AWS Certified Solutions Architect – Associate and one of seven winners of Alchemy’s SDK Developer Challenge. I design and ship smart contracts, cloud infrastructure, AI systems and the applications on top.
tx · kovisoft.engagementFour practices. One engineer, accountable end to end.
Smart contracts, custom transaction types and dApps — from EVM work in Solidity to layer-1 development on ARK Mainsail. Code written for audits, not just demos.
Infrastructure as code with AWS CDK and CloudFormation: serverless backends, event-driven pipelines and environments your team can rebuild with one command.
Web applications end to end — typed REST APIs on NestJS, frontends in Angular, Vue or React and the pipelines that ship them.
LLM features that hold up in production, and the security work around them: threat modelling, hardening and review of AI-powered systems. Certified AI Security Professional.
Public, verifiable, shipped.
1 of 7 winners from hundreds of submissions
Built Alchy CDK, an open-source toolkit that bridges the Alchemy Web3 platform and AWS: automated provisioning of Alchemy Notify webhooks via CloudFormation, plus middleware that routes on-chain events to Discord and Slack.
from blockchain school to the core team
Entered through ARK’s Blockchain School at the University of Maribor, joined as an intern and stayed as a contributor — working on the Java SDK, implementing AIPs and building new transaction types with ARK’s core team.
parking payments on a custom chain
A parking payment platform built with ark.io: native Android app in Kotlin, an Angular dashboard for parking operators and city administration, and custom transaction types on an ARK chain.
All badges verified on Credly (opens in new tab).
I’m Žan Kovač, a software engineer from Maribor, Slovenia. By day I’m a Senior Blockchain Developer at Protokol, a Web3 development and consulting company; KOVISOFT is where I take on independent work.
I’ve shipped blockchain products end to end since my student days — a parking-payment platform running on a custom chain, SDK and core-protocol contributions, and Alchy CDK, the open-source toolkit that won Alchemy’s SDK Developer Challenge. My open source lives on GitHub; I care about typed code, reproducible infrastructure and software that survives contact with production.
Have a project in blockchain, cloud, web or AI? Tell me what you’re building — I reply to every serious inquiry.
zan@kovisoft.siOr find me on