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

Worldwide
Level
Senior

Not stated in the posting: salary, work type, visa.

Open. First seen 3 October 2026.

About the role

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

What this role asks for

Standard for QA / testing roles

Python

Common in QA / testing postings at any company.

Read against Plata Card's other open postings on this site.

The team: HQ HIRES STEADILY

This role is one of 40 open in HQ. 9 were posted in the last 30 days and the oldest in May: a team that hires all year rather than one being built.

WHAT THE TEAM WORKS WITH, ACROSS ITS POSTINGS

Python (18 of 40), SQL (14 of 40), CI/CD (9 of 40), Golang (9 of 40), Kafka (8 of 40), AWS (7 of 40), Kubernetes (7 of 40)

OTHER ROLES ON THIS TEAM

From the team and dates on Plata Card's own job board.

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