Java Architect & Java Developer & Kotlin Developer

Erfahrener Software-Ingenieur mit über 13 Jahren Erfahrung in der Entwicklung geschäftskritischer Backend-Anwendungen mit Java/Kotlin. Erfahren in der Modernisierung von Altsystemen mit technischen Schulden durch die Nutzung von AWS- und GCP-Cloud-Plattformen. Derzeit arbeitet er als Java/Kotlin-Entwickler am "4KYC-Projekt" zur Verbesserung von Lösungen für das Kunden-Onboarding und die Einhaltung von Vorschriften. Bewandert in Camunda BPM, Spring, ORM und Cloud-nativen Lösungen. Zertifizierungen in SCJP (Java 6) und abgeschlossene Ausbildung in Spring Core und AWS-Architektur. Tschechischer Muttersprachler mit fließenden Englischkenntnissen.

Java/Kotlin Developer (Contractor) 12/2023 - now

• Developing critical client onboarding and regulatory compliance solutions.
• Utilizing Java 17, Kotlin, GCP, and Spring Boot.
• Implementing Camunda BPMN and microservices to reduce operational costs.
• Working on the "4KYC project" to modernize legacy systems.
• Leveraging OpenShift for cloud-native solutions.

Java Developer (Contractor) 9/2016 - 11/2023

• Developing solutions for Client Lifecycle Management.
• Conducting technical analysis of business requirements for account opening processes.
• Working with technologies such as Spring framework, Java 8/10, and Hibernate ORM.
• Integrating systems with internal databases and Apache Kafka for improved efficiency.
• Collaborating with internal teams to maintain and improve legacy systems.

Java Developer (Contractor) 9/2013 - 6/2016

• Designing and developing internal banking applications for commercial banking.
• Building a banking back-office application with over 20 modules.
• Utilizing technologies like Java EE, Spring 3, and Agile methodologies.
• Performing automated tests using Selenium and Javascript for quality assurance.
• Implementing solutions to enhance the efficiency of banking processes.

Java Developer 7/2012 - 8/2013

• Designing and developing a path-optimization system for a transportation company.
• Implementing custom routing algorithms and data processing to improve backend performance.
• Leveraging technologies such as Java EE, Spring, and AWS for system optimization.
• Working with relational databases like MySQL and MongoDB for data storage.
• Contributing to the development of a system to optimize transportation routes.

Java EE Developer (Contractor) 10/2011 - 6/2012

• Developing business logic and workflow implementation for the National Visa system in the government.
• Performance tuning and cluster environment setup for efficient system operation.
• Migrating from EJB 2 + JAX-RPC to EJB 3 + JAX-WS for improved functionality.
• Utilizing technologies like Spring 3, Hibernate, and Oracle database for system development.
• Implementing Agile methodologies for project management and development.