Prague, Czechia
Development 2024–2026: Adoption of the latest Liferay DXP (LTS) on Java 21, microservices architecture, React-based frontends. 2019–2024: Solution Architect at ČSOB – redesign of legacy Liferay 6.2 (EOL) and migration to Liferay 7.4.x with microservices. 2019–2020: Development of React-based administration and client applications. 2018: BANK API integration for third‑party applications. 2015: Management of portal applications for CSOB.cz (public Liferay portal). 2015: Theme development and performance optimization for postaonline.cz and ceskaposta.cz (Liferay). 2014: Work on Liferay Portal 6.1 EE and 6.2 EE. 2012: Development using PrimeFaces, EhCache, Apache CXF, Portlets, jQuery, HTML5. Note: I typically add only people I know personally. Please don’t take it personally if I don’t accept connection requests. I don’t check messages often, but I’m happy to reply to polite ones. Frameworks 2024–2026: OSGi, Liferay, Client Extensions, Spring Boot, Microservices, React, Vite, performance optimizations (HTML prerendering via PageFragments). 2019–2026: OSGi, Liferay, Spring Boot, React, Microservices. 2018: Spring Boot, Bootstrap, JsViews, REST applications. 2017: Spring, Liferay, Vaadin, jMockit. 2015: Spring, Webflow, PrimeFaces, Vaadin, jMockit. 2010: .NET, C#. 2009: Spring, iBatis. 2005: Hibernate, JUnit. 1999: Java. 1998: C++. Database 2019–2025: MongoDB, PostgreSQL, Hazelcast. 2012: MongoDB. 2006: MySQL. 2000: Oracle. Web Technologies 2014–2026: Liferay Portal 6.1 EE – 7.4 DXP, Web Components 2019–2024: Spring Boot, microservices, microweb apps. 2018: JBOSS. 2012: Liferay Portal (Java), jQuery, HTML5. 2001: Tomcat. 1998: HTML, CSS, JavaScript. Tools 2019–2025: IntelliJ IDEA, Enterprise Architect 2025-2026: Copilot (Ask, Agent, Plan) 2015–2018: Eclipse. 2014: Liferay Studio, SDK. 2013: Oracle SQL Developer. 2012: Android Developer Tools. 2010: Visual Studio. 2009: IntelliJ IDEA. 1996: C++ Builder. Mobile 2025: React Native. 2012: Android development using JSON, REST‑WS, Java, MongoDB. Specialties 2019–2025: Modernization of EOL applications, architecture redesign, Agile methodologies, training. 2018: BANK API, PSD2 compliance. 2015–2018: Portal theme & layout development, performance optimization. 2012: Liferay Portal integration, Android apps, MongoDB. 2009: Oracle EBS (ERP), IBM RACF. 2008: Identity management, B2B integrations.
Developing and integrating solutions on the Liferay Experience Platform, using OSGi modules and Client Extensions. Building modern frontend applications in React with Vite, organized in a monorepo architecture for shared components and efficient development. Creating backend services in Spring Boot, focusing on REST APIs known as Frontend Services. Working with Hazelcast for distributed caching and with data stores such as MongoDB, Elasticsearch, and PostgreSQL. Delivering and maintaining solutions in a banking environment, emphasizing security, reliability, and integration with internal systems.
Liferay Consultant System Architect (SA) Solution Enngineer (SE)
Developing the OPCENTER - Enterprise System Management
Developing the Oracle Identity Manager The Database connectors, The IBM RACF Connector, The AS400 Connector, The Oracle EBS Connector
Developing the Sun Identity Manager The Database connectors, The IBM RACF Connector, The AS400 Connector, The Oracle EBS Connector
A Sun Cacao, the reference implementation of the JMX server system.
J2EE development & Local ISP