QA Engineer - Backend (Golang) Senior [Core Banking Systems]
- 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
- Document Management & Internal Control Analyst Colombia posted Oct 14
- Identity & Access Management Engineer - Middle+ posted Oct 14
- Lead QA Engineer [ATM] posted Oct 13
- Credit Risk Analyst posted Oct 9
- Credit Risk Analyst Colombia posted Oct 8
- Product Manager for Regulatory Reporting posted Oct 2
- AI Creative Marketer (Intern) posted Oct 2
- Product Manager Senior [KYB] posted Sep 25
- Platform Engineer posted Sep 21
- Risk Data Scientist posted Sep 17
- AI Automation Analyst posted Sep 10
- Head of Information Security posted Sep 8
- Tax Analyst posted Sep 3
- QA Engineer - Backend (Golang) Middle [Identity] posted Sep 2
- Principal Engineer posted Aug 28
- QA Engineer - Fullstack(Mobile) Junior+ posted Aug 26
- QA Engineer - Backend (Golang) Junior+ posted Aug 26
- AML Analyst posted Aug 25
- Engineering Manager [AI Business Features] posted Aug 25
- Engineering Manager - Python [DWH Data Tools] posted Aug 21
- Product Manager Lead [Communications Platform] posted Aug 17
- Engineering Manager - Golang [Telesales] posted Aug 17
- Business Analyst Senior [PyME Origination - Persona Moral] posted Jul 28
- Product Designer Junior+ posted Jul 24
- Risk Analyst [Business Plan, Provisions & Reporting] posted Jun 16
- Data Scientist [Integrated Risk Management] posted Jun 15
- Data Analyst Junior / Junior+ [Core Banking] posted May 26
- Incident Manager - Senior [Customer IT Support] posted May 18
- Product Manager Middle/Middle+ [Collection] posted May 1
- Risk Data Governance Lead [Integrated Risk Management] posted Apr 9
- SRE [Processing Core Team] posted Oct 13
- Product Analyst Middle+ / Senior / Lead posted Oct 8
- Risk Data Analyst [Integrated Risk Management] posted Sep 19
- DataBase Administrator posted Sep 17
- Applied AI Engineer posted Jul 30
- Software Engineer - Golang Junior / Junior+ posted Jul 15
- Application Security Engineer - Senior posted Jun 27
- DevOps Engineer posted Jun 2
- Network Engineer posted May 13
From the team and dates on Plata Card's own job board.
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