{"id":14,"date":"2025-07-14T10:20:40","date_gmt":"2025-07-14T10:20:40","guid":{"rendered":"https:\/\/foliocrave.themecrave.com\/developer\/?page_id=14"},"modified":"2026-03-10T09:10:31","modified_gmt":"2026-03-10T09:10:31","slug":"home","status":"publish","type":"page","link":"https:\/\/foliocrave.themecrave.com\/developer\/","title":{"rendered":"Home"},"content":{"rendered":"\t\t
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I\u2019m Za\u0107k L\u00f8ui\u0161 – Software Engineer<\/p><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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I Build with Code, Shape<\/span> with Logic,<\/span> and Think in Systems.<\/span><\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Developer. System Architect. Technical Storyteller. Passionate about meaningful engineering that scales.<\/p><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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Who I Am,
Beyond the Stack<\/p><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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I\u2019m Za\u0107k L\u00f8ui\u0161 \nSoftware<\/span> Engineer<\/span><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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I\u2019m not just a developer. I\u2019m someone who obsesses over the why as much as the how. I don\u2019t chase frameworks\u2014I pursue clarity, performance, and sustainable code.

My work sits at the intersection of software craftsmanship and real-world problem solving. Whether it\u2019s architecting modular frontends, streamlining backends, or automating away chaos, I build with an eye for design, resilience, and the humans who use what I create. I believe that good developers don’t just ship fast\u2014they ship smart.<\/p><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Selected<\/span> Work That \nSpeaks for<\/span> Itself<\/span><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
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\n Modular CMS for Scalable Newsrooms<\/a>\n <\/h3>\n
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Problem:<\/h4>\n

Traditional CMS platforms were bloated and inflexible, leading to bottlenecks in high-frequency publishing workflows.<\/p>\n <\/div>\n

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Solution:<\/h4>\n

Architected a fully decoupled, headless CMS using Next.js and GraphQL, with custom content schemas and dynamic rendering logic. Integrated editorial automation tools to cut publishing time by 65%.<\/p>\n <\/div>\n

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Tech Stack:<\/h4>\n

Next.js, GraphQL, MongoDB, Tailwind, Vercel, Node.js<\/p>\n <\/div>\n

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Impact:<\/h4>\n

\u2022 3\u00d7 faster time-to-publish
\r\n\u2022 Zero outages in 18 months
\r\n\u2022 100% editorial adoption\r\n<\/p>\n <\/div>\n \n

\n \n \n \n <\/svg> Live Demo <\/a>\n \n \n \n <\/svg> Case Study <\/a>\n \n \n \n <\/svg> GitHub Repo <\/a>\n <\/div>\n \n <\/div>\n<\/div>\n
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\n Event Tracking Architecture for SaaS Workflow Engines<\/a>\n <\/h3>\n
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Problem:<\/h4>\n

The off-the-shelf analytics platforms (Google Analytics, Mixpanel) failed to track domain-specific metrics such as workflow churn,...<\/p>\n <\/div>\n

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Solution:<\/h4>\n

Built a bespoke event tracking system using event sourcing principles. Designed an analytics pipeline with Kafka + MongoDB for ingestion, and a React dashboard with D3 visualizations for ...<\/p>\n <\/div>\n

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Tech Stack:<\/h4>\n

React, Node.js, Kafka, MongoDB, D3.js, Auth0, Docker<\/p>\n <\/div>\n

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Impact:<\/h4>\n

\u2022 Enabled 100% visibility into customer behavior within workflows
\r\n\u2022 Led to a 41% reduction in onboarding churn after UX tweaks
\r\n\u2022 Decreased dependency on engineering for analytics by ...\r\n<\/p>\n <\/div>\n \n

\n \n \n \n <\/svg> Live Demo <\/a>\n \n \n \n <\/svg> Case Study <\/a>\n \n \n \n <\/svg> GitHub Repo <\/a>\n <\/div>\n \n <\/div>\n<\/div>\n
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\n Dynamic Pricing Engine for E-commerce Intelligence<\/a>\n <\/h3>\n
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Problem:<\/h4>\n

E-commerce brands struggled with static pricing strategies, leading to lost sales during competitive pricing shifts and seasonal...<\/p>\n <\/div>\n

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Solution:<\/h4>\n

Designed and deployed a real-time pricing engine using Python and Redis with support for asynchronous rule-based evaluations. Integrated competitor scraping, product segmentation, and ...<\/p>\n <\/div>\n

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Tech Stack:<\/h4>\n

Python, FastAPI, Redis, PostgreSQL, Puppeteer (Node.js), AWS ...<\/p>\n <\/div>\n

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Impact:<\/h4>\n

\u2022 Increased revenue by 23% within 3 months
\r\n\u2022 Reduced pricing update latency from hours to <30 seconds
\r\n\u2022 Enabled autonomous pricing decisions across 12 product categories\r\n<\/p>\n <\/div>\n \n

\n \n \n \n <\/svg> Live Demo <\/a>\n \n \n \n <\/svg> Case Study <\/a>\n \n \n \n <\/svg> GitHub Repo <\/a>\n <\/div>\n \n <\/div>\n<\/div> <\/div>\r\n\r\n \r\n <\/div>\r\n\r\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Tools<\/span> I Know. \nPatterns I Master.<\/span><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
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Languages<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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