Backend QA Specialist / Data Tester

1 Month ago • 3 Years + • Testing

Job Summary

Job Description

Casumo is seeking a Backend QA Specialist / Data Tester to ensure the quality and reliability of its data platform. Responsibilities include designing and executing data testing strategies, verifying data integrity and accuracy using SQL, automating testing processes, and collaborating with cross-functional teams. The role requires a Bachelor's degree in a related field and at least 3 years of experience in data testing, with strong SQL querying skills. The company offers various perks depending on the office location, including wellness incentives, remote work options, and professional development opportunities.
Must have:
  • 3+ years of data testing experience
  • Strong SQL querying knowledge
  • Focus on data quality and attention to detail
  • Excellent problem-solving and analytical skills
  • Strong communication and collaboration skills
Good to have:
  • Knowledge of test automation tools (JIRA, Jenkins, Git)
  • Experience in Agile/SCRUM environments
Perks:
  • Wellness incentives
  • Fitness allowance
  • Mental well-being services
  • 2 weeks Work From Anywhere (10 days), increasing to 4 weeks (20 days) after longer employment
  • Food allowance
  • Access to professional development tools and platforms
  • Casumo College for continuous learning
  • Social events
  • Private health insurance
  • Flexible national holidays
  • Gourmet lunches and healthy snacks
  • Variety of discounts from local vendors
  • Office lunches (three times per week)

Job Details

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!

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Company Overview:


Welcome to Casumo, your passport to a world of fun, excitement, and responsible gaming. We're 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, we're on the hunt for a Backend QA Specialist / Data Tester to join our team!


Position Overview:

Are you a meticulous problem-solver with a passion for data quality? Do you thrive in dynamic, data-driven environments and love ensuring systems perform flawlessly? We're on the hunt for a talented Backend QA Specialist / Data Tester to join our team and play a pivotal role in guaranteeing the integrity and reliability of our cutting-edge data platform.


You'll play a key role in ensuring the quality of our data lakehouse solution, ETL pipelines, and business reports and dashboards. You'll leverage your strong SQL querying skills to validate data accuracy and completeness, ensuring our data solutions meet the highest standards. If you're excited about automating testing processes and collaborating cross-functionally to deliver exceptional data products, we want to hear from you! Join us and contribute to a culture of quality where your expertise directly impacts our success.



Responsibilities:

  • Design and Execute Data Testing Strategies: Develop test plans and scenarios for data solutions, including functional, non-functional (performance, scalability, security), and user acceptance testing (UAT).
  • Ensure Data Quality and Integrity with SQL: Conduct thorough testing of data pipelines, ETL processes, data warehouses, and BI tools, leveraging strong SQL querying knowledge to verify data integrity, completeness, and accuracy.
  • Automate Testing Processes: Create and maintain automated test scripts for data solutions, focusing on regression testing to improve efficiency and prevent new defects.
  • Collaborate and Communicate: Work closely with business stakeholders, data analysts, and development teams to understand business requirements, prioritise defect resolution, and ensure seamless integration of testing into the development lifecycle.
  • Monitor, Document, and Improve: Track defects, document all testing processes and results, and continuously contribute to the improvement of testing practices and quality assurance across the data team.


    Requirements:
  •  Bachelor’s degree in computer science, information systems, data engineering, or a related field.
  •  3+ years of data testing experience, specifically with functional and non-functional testing of data platforms (ETL pipelines, data lakes, warehouses, BI tools) in Agile/SCRUM environments
  • Strong SQL querying knowledge for data quality and integrity testing
  • Knowledge of test automation and defect management, including experience with tools such as JIRA, Jenkins, and Git is a plus.
  • Excellent problem-solving abilities with a strong focus on data quality, attention to detail, and analytical skills to identify and resolve defects.
  • Strong communication and collaboration skills to work effectively with technical and non-technical teams, manage multiple tasks, and adapt to new 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. You’ll find yourself surrounded by the brightest minds within the most inspiring and collaborative office spaces! In addition to that, you’ll enjoy:

Our Zagreb Office

  • 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 isn't just a feel-good sticker; it's the glue that binds us. Turning "me" achievements into "we" victories, we're a tight-knit crew of dreamers, doers, and relentless supporters. With a high-five arsenal and a trusty cheerleading squad, we're on a mission to prove that together, we're not just strong; we're Casumo strong.

CARE

Care is our secret ingredient, the cherry on top of our game. It's not only about ensuring our players have a blast (responsibly, of course); it's about weaving a fabric of support so tight, even the toughest challenges can't tear us apart. From tailoring player experiences to being there for each other, we're all about creating memorable moments.

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About The Company

Zagreb, Croatia (Hybrid)

Malta (Hybrid)

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Swieqi, Malta (Hybrid)

Swieqi, Malta (Hybrid)

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