Quality Assurance Specialist

Casumo is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.

Join us at Casumo where you are invited to be your authentic YOU-MO!

Company Overview:
Welcome to Casumo your passport to a world of fun excitement and responsible gaming. Were an international online casino company with a knack for creating unforgettable gaming experiences. Our secret sauce A blend of innovation security and a dash of playful charm.
Nowadays were on the hunt for a Quality Assurance Specialist to join our team!


Position Overview:
At Casumo were passionate about creating exceptional player experiences through innovation collaboration and data-driven decision making. Were now looking for a Quality Assurance Specialist to join our growing Data Team and help ensure the quality reliability and performance of our data solutions.

In this role youll work closely with Data Engineers Analysts and Business stakeholders to test and validate data platforms pipelines and reporting solutions. Youll play a key role in embedding quality throughout the development lifecycle while driving automation and continuous improvement across our data ecosystem.

Responsibilities:

Testing Strategy & Quality Assurance

• 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.

Functional & Non-Functional Testing

• 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.

User Acceptance Testing (UAT)

• 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.

• Maintain clear documentation of UAT processes results and required improvements.

Test Automation & Continuous Improvement

• Develop and maintain automated test scripts to improve testing efficiency and repeatability.

• Automate regression testing to ensure system changes do not introduce new defects.

• Continuously improve automation frameworks tools and QA practices within an Agile/SCRUM environment.

• Monitor automated test execution and collaborate with engineers to resolve identified issues.

Collaboration & Documentation

• Work closely with cross-functional teams to integrate testing seamlessly into the development lifecycle.

• Align testing priorities with business needs and release timelines.

• Contribute ideas and recommendations to improve QA processes and promote a strong culture of quality across the Data Team.

• 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.

Nice to have

• Bachelors degree in Computer Science Information Systems Data Engineering or a related field.

• Experience testing cloud-based data platforms on AWS Google Cloud or Azure.

• Knowledge of modern data architectures and data processing technologies.
  
  
  Please note: As Casumo is an international company and English is our working language we kindly ask you to submit your CV in English.
  
  

The Perks:

Being a part of the Casumo group provides an unparalleled experience. Youll find yourself surrounded by the brightest minds within the most inspiring and collaborative office spaces! In addition to that youll enjoy:

Our Zagreb Office

• 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
  
  
  Our Malta Office

• Private health insurance

• Wellness incentives including a fitness allowance and mental well-being services

• Flexible national holidays: public holidays mean more time off choose how and when to enjoy them!

• 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

• Gourmet lunches and healthy snacks prepared by our in-house chef

• Variety of discounts from local vendors

• 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

Our Skopje Office

• 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

• Office lunches - three times per week

• 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

Our ABC values:

ASPIRE
At Casumo aspire means pushing beyond the ordinary and transforming obstacles into stepping stones. Challenges are our breakfast of champions and comfort zones are out of bounds. Mediocrity Left behind. Our mantra Dream big aim high and always be ready for the next adventure in innovation.

BELIEVE
Belief at Casumo isnt just a feel-good sticker; its the glue that binds us. Turning me achievements into we victories were a tight-knit crew of dreamers doers and relentless supporters. With a high-five arsenal and a trusty cheerleading squad were on a mission to prove that together were not just strong; were Casumo strong.

CARE
Care is our secret ingredient the cherry on top of our game. Its not only about ensuring our players have a blast (responsibly of course); its about weaving a fabric of support so tight even the toughest challenges cant tear us apart. From tailoring player experiences to being there for each other were all about creating memorable moments.