Roman T.

- Architected a hybrid testing approach for Gemini RAG chatbot, combining manual exploratory testing of non-deterministic AI behaviors with automated E2E scenarios using Java and Rest Assured to validate agentic workflows. - Designed and implemented an end-to-end API testing framework from scratch using Java, Spring Boot, Cucumber, and RestAssured - Integrated Playwright into the existing Rest Assured framework to enhance critical Web UI scenarios - Engineered Smoke Test Quality Gates for payment services, speeding up build verification and systematically blocking releases with critical defects. - Configured CI pipelines using Harness and Bitbucket for nightly test runs, streamlining the testing process - Conducted performance testing for API and Websockets using JMeter and Gatling, identifying and resolving bottlenecks to improve system reliability and scalability