QA Engineer - Backend (Golang) Senior [Core Banking Systems]

We are looking for a QA Engineer - Backend (Golang) for the Core Banking Systems Team — a team focused on building reliable and scalable backend systems at the core of our financial infrastructure. The team develops solutions for credit card issuing and processing, working with a microservices architecture and technologies such as Kafka and PostgreSQL. A key part of the team's work is ensuring that our systems are secure, resilient, and compliant with Mexican banking and accounting regulations. Challenges that await you: Requirements analysis, creation of test scenarios, and preparation of test data Development and maintenance of test documentation Acceptance and regression testing (automated and manual) Manual testing responsibilities are an essential part of the role, including on-site involvement and ownership of the testing process. Writing and maintaining automated tests in Go Support of the test project Development and maintenance of the test project Integration of automated tests into CI/CD Development and maintenance of testing infrastructure and tools Identification, localization, and reporting of defects using a bug tracking system Communication with the product team during development and participation in releases Developing and maintaining custom tools to support the testing process (e.g., mock services, data generators, reporting tools) What makes you a great fit: Experience in developing and maintaining test documentation Experience in programming with Go / Java / Kotlin / Python Experience working with Git or other version control systems Experience working with SQL Experience in developing and maintaining automated tests in Java / Kotlin / Python / Go Experience in developing and maintaining a t