Karolina Warzecha

Working on an AI-enabled claims platform across backend services, integrations, APIs, React-based UI, LLM workflows and automated testing.

I lead technical design and delivery of complex features, contribute to architectural decisions, coordinate implementation across engineers and help improve engineering reliability and observability.

Main areas include TypeScript/Node.js, AI/LLM workflows, Cl

Worked on cloud platform services and distributed backend systems using Java and Spring.

Developed services for configuration, security and network-related capabilities, with integrations based on AWS, DynamoDB, Kafka, Kubernetes, Docker and REST APIs.

Contributed to the design and implementation of reliable cloud services in a distributed environment.

Worked on internal developer tooling and insurance rating-content solutions.
Developed IntelliJ IDEA tooling for JVM-based code analysis, merge and inspections using Java and the IntelliJ Platform API.
Also worked on automated transformation solutions for insurance rating content using Java, Spring and ANTLR.

Worked on components of a global trading platform for UBS Investment Bank, developing new functionality and supporting existing systems.

Main technologies included Java, JUnit, Mockito, TeamCity, GitHub, Sybase and Oracle.

Developed new components for a global trading platform and maintained existing functionality through bug fixing and incremental improvements.

Worked primarily with Java in an enterprise banking environment.

Developed functionality for a Quality Verification System supporting hydrological and meteorological measurements and forecasts for the Institute of Meteorology and Water Management.

Worked primarily with Java, Spring, Hibernate, JSF, SOAP and Oracle.

Contributed to e-commerce functionality for a T-Mobile project and supported test automation.
Worked with Java, Selenium WebDriver, TestNG, JBoss Seam and Ant.