Jan Mikoláš
SaaS platform for your business
One connected platform instead of several separate systems. Its modules share data and work together naturally.
References
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2025—2026Business management
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2024—2026Esports analytics
LEETgg · data analytics
An analytics platform for FIFA, NHL, NBA, and CS2 matches. It includes player comparison, trends, fair odds, opportunity radar, and exports for further analytics workflows.
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2023—2024Internal retail system
One year of development in a team building an internal system for store employees. The solution on PDA scanners covered stock movement between goods receipt, the backroom, and the sales floor.
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2016—2025E-commerce platform
Amiatex · multiple online stores under one roof
Co-founder and developer of a multistore platform for managing online stores, domains, language versions, and currencies from one central administration. It also included marketplace integrations, including MALL.cz, Kaufland, and eMAG.
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2014—2018Esports team
LEETgg · team and community
Founding an esports team with more than 40 players at one point. At the same time, I took over and managed an H1Z1 Facebook group with 6,000 players.
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2016—2017Server plugins
Plugins for CS:GO servers
Development of plugins for competitive CS:GO matches on Czech and Slovak gaming portals.
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2013—2015Own online store
Another own PrestaShop online store, with responsibility for development, marketing, suppliers, and order processing.
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2012—2015Own online store
MEPRADLO.cz
An own PrestaShop online store — feature development, marketing, supplier communication, and everyday operation.
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2011—2014Web studio
WEBDO.cz · Business website development
Co-founding a web studio: from business websites, templates, and scripts to a gradual focus on e-commerce.
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2011—2012Community system
forFAIRPLAY · connecting CZ/SK esports
An independent system that connected gaming portals and made handling cheating, protests, and bans in Czech and Slovak esports more transparent.
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2010—2012Game servers
Organising dozens of tournaments and administering a competitive league. In 2011, I created a plugin for competitive Counter-Strike 1.6 matches, used for tens of thousands of games.
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2011Web security
Discovery of an SQL injection vulnerability on the website of the Secondary School of Information Technologies.
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2010—2011Professional placement
Three weeks of professional placement and a two-month part-time job at the Radegast brewery, part of Plzeňský Prazdroj. I am glad I could experience it from the other side too — thankfully!
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2010—2011Professional placement
Four weeks of professional placement focused on helping automate the creation of public transport fare lists.
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2009—2010Web security
Web application security testing and responsible disclosure to service operators, including a previously reported XSS issue in Seznam.cz email and finding security issues in systems used by dozens of websites.
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2007First website
Independent online project
The first online project, created with a graphic designer, reached approximately 5,000 visitors per day.
Selected Webtrh reviews
“Very satisfied, with quick communication and project delivery.”
“Fast and high-quality work.”
“Quick solution, quality work with clear explanations — recommended!”
Open source
Gita — Git repository analytics in one place.
A local-first dashboard that combines multiple repositories into one view of activity, contributors, code changes, branches, and pull requests. It only reads repositories; data and caches stay local.
Open GitHub project
Open preview ↗