11/09/2026 updated
RS
100 % available
Senior Java/AI Full-Stack Engineer & Software Architect
Radlje ob Dravi, Slovenia
Worldwide
About me
Senior Java/AI Full-Stack Engineer and Software Architect with 20+ years of experience building and modernizing enterprise systems. Expert in Java, Spring Boot, Angular, React, cloud-native architectures and AI integration, with strong stakeholder and technical leadership skills.
AI AgentsRAGGenAILLMJava (Programming Language)Spring SecurityClient Server ModelsSoftware as a ServiceData ArchitectureIBM DB2DevOpsEnterprise Architecture FrameworkHibernateJava ArchitecturesSpring Framework
Senior Software Architect and Full-Stack Java Engineer with 20+ years of experience designing, developing and modernizing enterprise applications.
Backend & Java: Java, Spring Boot, Spring Framework, Spring Security, Hibernate/JPA, REST APIs, microservices, Spring Cloud and enterprise integration.
Frontend: Angular, React, TypeScript, React Native and Vaadin.
Architecture: Software Architecture, Solution Architecture, distributed systems, cloud-native architectures, API design, data architecture and enterprise application integration.
AI & GenAI: Integration of LLMs into production applications, AI agents, RAG, prompt engineering and AI-powered SaaS solutions.
Data: PostgreSQL, MongoDB, IBM DB2 and MySQL.
DevOps & Cloud: Docker, Kubernetes, CI/CD and production deployment of enterprise applications.
Experienced throughout the complete software lifecycle - requirements analysis, architecture and technical design, hands-on implementation, code review, modernization, integration and production support. Comfortable advising stakeholders and providing technical leadership while remaining hands-on in development.
Experience
Professional experience10+ years
Freelancer since2005
Languages
GermanBasic knowledgeEnglishFluentSlovenianNative speaker
Project history
Lead end-to-end architecture and delivery of enterprise software, modernization initiatives, and business-critical web applications for regulated and corporate clients. Design target architectures and solution approaches; modernize legacy desktop/intranet systems into scalable, maintainable, cloud-ready web applications. Architect and implement GenAI/LLM integrations into production business applications. Consult with business stakeholders, provide technical leadership including mentoring, architecture guardrails, code reviews, and production issue resolution. Build REST APIs, service layers, secure workflows, and CI/CD pipelines using Java/Spring Boot, Angular/Vaadin, PostgreSQL/Oracle/MongoDB, Azure, Docker/Kubernetes.
Architected, developed, and maintained Java-based web and desktop applications for corporate clients. Owned full lifecycle including requirements, architecture, implementation, database design, testing, and client delivery.
Certificates
Certified Scrum Master (CSM)
Scrum Alliance2014