Senior AQA Engineer (Python)

On behalf of our Client, a well-established financial institution from the Caribbean region, Mobilunity is looking for a Senior QA Engineer (Data / Python) for a long-term engagement.

Our Client is the largest bank in the Caribbean region that serves 14 countries/territories. The aim is to make this organization from a traditional bank into a new era of fintech, working on the edge of what current fintech may offer.

The Senior QA Engineer (Data / Python) will play a key role in ensuring the quality, reliability, and consistency of data-driven solutions. Working closely with data engineers, backend developers, and CRM teams, this role focuses on validating data pipelines, APIs, and analytical platforms in a cloud-based environment.

Required Skills & Qualifications:

• 4–6+ years of experience in Quality Assurance / Quality Control.
• Strong understanding of data structures, SQL, and database concepts
• Hands-on experience with Data Projects testing – testing data pipelines (ETL/ELT), data warehouses, datalakes houses or analytical solutions.
• Experience validating APIs, microservices, and backend workflows.
• Proficiency in writing test cases, test plans, and quality documentation.
• Strong analytical mindset and attention to detail.
• Experience working in Agile/Scrum environments.
• Upper-Intermediate or higher English.

Project Tech Stack/ Skills needed: 

• RDBMS knowledge
• AWS knowledge
• Jira / Zephyr / Confluence

Responsibilities:

• Data Mapping validation
• Functional Testing
• Non-functional Testing (Performance)
• API testing
• SQL queries creation (analyses, validation, troubleshooting)
• AWS – usage of S3 buckets, Athena, CloudWatch, Spark, Glue, Airflow for testing
• Defect Triage and collaboration with CRM team
• Work with Jira / Zephyr / Confluence
• Prod Support Defects management – opening defects, validating fixes etc.

Come on board, and let’s grow together!