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 test framework - Experience working with CI/CD tools - Experience in developing and maintaining testing infrastructure and tools - Knowledge and understanding of design patterns - Experience working with message queues (Kafka) - B1 or higher English level for effective communication with an international team Your bonus skills: - Experience working with gRPC and Protobuf - Experience with frameworks: dailymotion/allure-go, Gomega (Go) / JUnit5, Allure (Kotlin) / allure-pytest, pytest (Python) - Experience in load testing - Knowledge and understanding of software design patterns Our ways of working: - Innovative Spirit: A commitment to creativity and groundbreaking solutions - Honest Feedback: valuing open, transparent communication - Supportive Team: a strong, collaborative community - Celebrating Achievements: recognizing our wins together - High-Tech Environment: a team full of smart and revolutionary people who date to challenge the status quo of incumbent finances - Team time zone: The team works within the GMT+1 to GMT+5 time zone Our benefits: - Relocation support to one of our hubs — Cyprus, Serbia, Georgia, Kazakhstan— with assistance for the employee and their family - Flexible work from one of our offices or remote - Healthcare Coverage - Education Budget: Language lessons, professional training and certifications - Wellness Budget: Mental health and fitness activity reimbursement - Vacation policy: 20 days of annual leave and paid sick leave