Quality Assurance Specialist

Role Overview

• Create comprehensive test strategies and plans for new data solutions, covering both functional and non-functional testing.
• Define testing objectives, scope, KPIs, and quality standards for data reliability and system performance.
• Identify risks and ensure thorough test coverage across all data-related features and workflows.
• Develop detailed test cases and scenarios based on business requirements and technical specifications.
• Conduct functional testing to validate business logic, use cases, and expected system behaviour.
• Perform non-functional testing, including performance, scalability, security, and usability testing.
• Test ETL pipelines, data warehouses, data lakes, BI tools, and reporting solutions to ensure data integrity, completeness, and accuracy.
• Execute manual and automated test cases, documenting results and tracking defects through to resolution.
• Partner with business stakeholders to coordinate and support UAT activities.
• Collaborate with Business Analysts and Data Analysts to gather feedback and prioritise defect resolution.
• Ensure business-critical data flows and reports are fully validated before production deployment.
• Develop and maintain automated test scripts to improve testing efficiency and repeatability.
• Continuously improve automation frameworks, tools, and QA practices within an Agile/SCRUM environment.
• Work closely with cross-functional teams to integrate testing seamlessly into the development lifecycle.
• Maintain clear and concise documentation for test plans, scripts, cases, defects, and results.

Requirements

• 3+ years of experience in software testing, ideally within data-driven or analytics-focused environments.
• Strong understanding of both functional and non-functional testing methodologies.
• Experience testing ETL pipelines, data warehouses, data lakes, and BI/reporting platforms.
• Solid SQL and data querying skills, with the ability to validate data quality, integrity, and accuracy.
• Familiarity with Agile/SCRUM methodologies and CI/CD practices.
• Experience with test automation tools and frameworks such as Selenium, JUnit, TestNG, or similar.
• Proficiency in scripting or programming languages such as Python, Java, or JavaScript.
• Familiarity with tools such as JIRA, Jenkins, and Git.
• Strong analytical and problem-solving skills with excellent attention to detail.
• Effective communication and collaboration skills, with the ability to work across technical and non-technical teams.
• Excellent organisational and documentation skills.
• A proactive mindset with a passion for continuous learning and improvement.

Tech Stack

• ETL
• Java
• JavaScript
• Jenkins
• JUnit
• Python
• Selenium
• SQL

Benefits

• Private health insurance
• Wellness incentives, including a fitness allowance and mental well-being services
• 2 weeks Work From Anywhere (10 days), increased to 4 weeks (20 days) after longer duration of employment within the Company: explore the world while working remotely
• Food allowance
• Access to some of the greatest tools and platforms for developing your professional skills and building success within your role
• A range of training courses, known as Casumo College, for continuous learning and growth
• Social events for building strong relationships with colleagues from all across the organisation